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Friedman toets - Revision history
2024-03-29T04:35:05Z
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https://wikistatistiek.amc.nl/index.php?title=Friedman_toets&diff=2667&oldid=prev
Nan van Geloven: /* Waar vind ik de Friedman toets in SPSS? */
2019-10-04T19:10:31Z
<p><span dir="auto"><span class="autocomment">Waar vind ik de Friedman toets in SPSS?</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 20:10, 4 October 2019</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Waar vind ik de Friedman toets in SPSS?==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Waar vind ik de Friedman toets in SPSS?==</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Je vindt deze test onder Analyze->Nonparametric Tests->K Related Samples. De data in de SPSS datafile moet per patient gegroepeerd staan, als volgt:</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Je vindt deze test onder Analyze->Nonparametric Tests<ins style="font-weight: bold; text-decoration: none;">-> Legacy Dialogs </ins>-> K Related Samples. De data in de SPSS datafile moet per patient gegroepeerd staan, als volgt:</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Je kunt de test ook vinden via Analyze -> Nonparametric Tests -> Related Samples. Het voordeel van deze aanvliegroute, is dat SPSS hier ook een posthoc analyse aanbiedt waarbij je bij een bemerkt verschil in de overall Friedman test kunt inzoomen naar tussen welke metingen (groepen) de verschillen optreden. Daarbij hanteert SPSS de Dunn-Bonferroni aanpassing voor [[multiple testing]]. Meer uitleg vind je [https://www.sheffield.ac.uk/polopoly_fs/1.714575!/file/stcp-marshall-FriedmanS.pdf hier].</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== De Friedman toets werkt niet bij ontbrekende data. Wat nu? ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== De Friedman toets werkt niet bij ontbrekende data. Wat nu? ==</div></td></tr>
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Nan van Geloven
https://wikistatistiek.amc.nl/index.php?title=Friedman_toets&diff=2666&oldid=prev
Nan van Geloven: /* Wanneer gebruik ik de Friedman toets? */
2019-10-04T19:03:38Z
<p><span dir="auto"><span class="autocomment">Wanneer gebruik ik de Friedman toets?</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 20:03, 4 October 2019</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-)continue variabele verschillen, kun je de Friedman toets gebruiken. Bijvoorbeeld als je wilt testen of de resultaten van 4 herhaalde metingen van een patient van elkaar verschillen. </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-)continue variabele verschillen, kun je de Friedman toets gebruiken. Bijvoorbeeld als je wilt testen of de resultaten van 4 herhaalde metingen van een patient van elkaar verschillen. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Het is een eenvoudige toets voor het analyseren van [[herhaalde metingen]], en vormt daarmee een goed alternatief voor bijvoorbeeld een [[Herhaalde metingen#repeated measurements ANOVA|repeated measurements ANOVA]] of [[Herhaalde metingen#linear mixed model|linear mixed model]] analyse. <del style="font-weight: bold; text-decoration: none;">Nadeel van de toets is dat SPSS (nog) geen posthoc analyse aanbiedt en je bij een bemerkt verschil dus niet direct ziet tussen welke metingen de verschillen optreden. </del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Het is een eenvoudige toets voor het analyseren van [[herhaalde metingen]], en vormt daarmee een goed alternatief voor bijvoorbeeld een [[Herhaalde metingen#repeated measurements ANOVA|repeated measurements ANOVA]] of [[Herhaalde metingen#linear mixed model|linear mixed model]] analyse. <ins style="font-weight: bold; text-decoration: none;"> </ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Voorbeeld van het gebruik van de Friedman toets:</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Voorbeeld van het gebruik van de Friedman toets:</div></td></tr>
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Nan van Geloven
https://wikistatistiek.amc.nl/index.php?title=Friedman_toets&diff=1901&oldid=prev
Rebecca Holman: /* De Skillings–Mack toets (Friedman toets bij ontbrekende data) */
2013-04-26T11:16:55Z
<p><span dir="auto"><span class="autocomment">De Skillings–Mack toets (Friedman toets bij ontbrekende data)</span></span></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>== De <del style="font-weight: bold; text-decoration: none;">Skillings–Mack toets (</del>Friedman toets bij ontbrekende data<del style="font-weight: bold; text-decoration: none;">) </del>==</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>== De Friedman toets <ins style="font-weight: bold; text-decoration: none;">werkt niet </ins>bij ontbrekende data<ins style="font-weight: bold; text-decoration: none;">. Wat nu? </ins>==</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Het is meestal niet aan te raden om de Friedman toets te gebruiken als een deel van de data ontbreken. Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-) continue variabele verschillen en er sprake is van ontbrekende waarden, kun je de Skillings–Mack toets gebruiken <ref name=Chatfield2009 />. Voorwaarde is wel dat de data met behulp van een incomplete block design zijn verzameld of [[Missing_values | missing completely at random]] zijn. Je kunt de waarde van de Skillings–Mack toets berekenen met de ''skilmack'' command in Stata en de ''Skillings.Mack'' package in R. Op dit moment (april 2013) wordt deze toets niet in SPSS geïmplementeerd.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Het is meestal niet aan te raden om de Friedman toets te gebruiken als een deel van de data ontbreken. Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-) continue variabele verschillen en er sprake is van ontbrekende waarden, kun je de Skillings–Mack toets gebruiken <ref name=Chatfield2009 />. Voorwaarde is wel dat de data met behulp van een incomplete block design zijn verzameld of [[Missing_values | missing completely at random]] zijn. Je kunt de waarde van de Skillings–Mack toets berekenen met de ''skilmack'' command in Stata en de ''Skillings.Mack'' package in R. Op dit moment (april 2013) wordt deze toets niet in SPSS geïmplementeerd.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
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Rebecca Holman
https://wikistatistiek.amc.nl/index.php?title=Friedman_toets&diff=1898&oldid=prev
Rebecca Holman at 13:48, 21 April 2013
2013-04-21T13:48:06Z
<p></p>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== De Skillings–Mack toets (Friedman toets bij ontbrekende data) ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== De Skillings–Mack toets (Friedman toets bij ontbrekende data) ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Het is meestal niet aan te raden om de Friedman toets te gebruiken als een deel van de data ontbreken. Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-) continue variabele verschillen en er sprake is van ontbrekende waarden, kun je de Skillings–Mack toets gebruiken <ref name=<del style="font-weight: bold; text-decoration: none;">"</del>Chatfield2009<del style="font-weight: bold; text-decoration: none;">" </del>/>. Voorwaarde is wel dat de data met behulp van een incomplete block design zijn verzameld of [[Missing_values | missing completely at random]] zijn. Je kunt de waarde van de Skillings–Mack toets berekenen met de ''skilmack'' command in Stata en de ''Skillings.Mack'' package in R. Op dit moment (april 2013) wordt deze toets niet in SPSS geïmplementeerd.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Het is meestal niet aan te raden om de Friedman toets te gebruiken als een deel van de data ontbreken. Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-) continue variabele verschillen en er sprake is van ontbrekende waarden, kun je de Skillings–Mack toets gebruiken <ref name=Chatfield2009 />. Voorwaarde is wel dat de data met behulp van een incomplete block design zijn verzameld of [[Missing_values | missing completely at random]] zijn. Je kunt de waarde van de Skillings–Mack toets berekenen met de ''skilmack'' command in Stata en de ''Skillings.Mack'' package in R. Op dit moment (april 2013) wordt deze toets niet in SPSS geïmplementeerd.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Referenties ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Referenties ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{reflist|refs=</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><references></ins></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><ref name=<del style="font-weight: bold; text-decoration: none;">"</del>Chatfield2009<del style="font-weight: bold; text-decoration: none;">"</del>> Chatfield M, Mander A. [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2761045/ The Skillings–Mack test (Friedman test when there are missing data) ]. ''Stata J''. 2009 April 1; 9(2): 299–305.</ref></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ref name=Chatfield2009> Chatfield M, Mander A. [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2761045/ The Skillings–Mack test (Friedman test when there are missing data) ]. ''Stata J''. 2009 April 1; 9(2): 299–305.</ref></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">}}</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></references></ins></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><div style="background-color:#e8f1ff; margin:0.5em; padding:1em; border:1px solid #C8D0DC;"></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><div style="background-color:#e8f1ff; margin:0.5em; padding:1em; border:1px solid #C8D0DC;"></div></td></tr>
</table>
Rebecca Holman
https://wikistatistiek.amc.nl/index.php?title=Friedman_toets&diff=1897&oldid=prev
Rebecca Holman: /* De Skillings–Mack toets (Friedman toets bij ontbrekende data) */
2013-04-21T13:46:02Z
<p><span dir="auto"><span class="autocomment">De Skillings–Mack toets (Friedman toets bij ontbrekende data)</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:46, 21 April 2013</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== De Skillings–Mack toets (Friedman toets bij ontbrekende data) ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== De Skillings–Mack toets (Friedman toets bij ontbrekende data) ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Het is meestal niet aan te raden om de Friedman toets te gebruiken als een deel van de data ontbreken. Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-) continue variabele verschillen en er sprake is van ontbrekende waarden, kun je de Skillings–Mack toets gebruiken <ref name="Chatfield2009" />. Voorwaarde is wel dat de data met behulp van een incomplete block design zijn verzameld of [[Missing_values | missing completely at random]] zijn. Je kunt de waarde van de Skillings–Mack toets berekenen met de <del style="font-weight: bold; text-decoration: none;"><nowiki></del>skilmack<del style="font-weight: bold; text-decoration: none;"></nowiki> </del>command in Stata en de Skillings.Mack package in R. Op dit moment (april 2013) wordt deze toets niet in SPSS geïmplementeerd.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Het is meestal niet aan te raden om de Friedman toets te gebruiken als een deel van de data ontbreken. Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-) continue variabele verschillen en er sprake is van ontbrekende waarden, kun je de Skillings–Mack toets gebruiken <ref name="Chatfield2009" />. Voorwaarde is wel dat de data met behulp van een incomplete block design zijn verzameld of [[Missing_values | missing completely at random]] zijn. Je kunt de waarde van de Skillings–Mack toets berekenen met de <ins style="font-weight: bold; text-decoration: none;">''</ins>skilmack<ins style="font-weight: bold; text-decoration: none;">'' </ins>command in Stata en de <ins style="font-weight: bold; text-decoration: none;">''</ins>Skillings.Mack<ins style="font-weight: bold; text-decoration: none;">'' </ins>package in R. Op dit moment (april 2013) wordt deze toets niet in SPSS geïmplementeerd.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Referenties ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Referenties ==</div></td></tr>
</table>
Rebecca Holman
https://wikistatistiek.amc.nl/index.php?title=Friedman_toets&diff=1896&oldid=prev
Rebecca Holman at 13:42, 21 April 2013
2013-04-21T13:42:44Z
<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:42, 21 April 2013</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== De Skillings–Mack toets (Friedman toets bij ontbrekende data) ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== De Skillings–Mack toets (Friedman toets bij ontbrekende data) ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Het is meestal niet aan te raden om de Friedman toets te gebruiken als een deel van de data ontbreken. Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-) continue variabele verschillen en er sprake is van ontbrekende waarden, kun je de Skillings–Mack toets gebruiken <ref name="Chatfield2009"<del style="font-weight: bold; text-decoration: none;">> Chatfield M, Mander A. [http:</del>/<del style="font-weight: bold; text-decoration: none;">/www.ncbi.nlm.nih.gov/pmc/articles/PMC2761045/ The Skillings–Mack test (Friedman test when there are missing data) ]. ''Stata J''. 2009 April 1; 9(2): 299–305. </ref</del>>. Voorwaarde is wel dat de data met behulp van een incomplete block design zijn verzameld of [[Missing_values | missing completely at random]] zijn. Je kunt de waarde van de Skillings–Mack toets berekenen met de <nowiki>skilmack</nowiki> command in Stata en de Skillings.Mack package in R. Op dit moment (april 2013) wordt deze toets niet in SPSS geïmplementeerd.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Het is meestal niet aan te raden om de Friedman toets te gebruiken als een deel van de data ontbreken. Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-) continue variabele verschillen en er sprake is van ontbrekende waarden, kun je de Skillings–Mack toets gebruiken <ref name="Chatfield2009" />. Voorwaarde is wel dat de data met behulp van een incomplete block design zijn verzameld of [[Missing_values | missing completely at random]] zijn. Je kunt de waarde van de Skillings–Mack toets berekenen met de <nowiki>skilmack</nowiki> command in Stata en de Skillings.Mack package in R. Op dit moment (april 2013) wordt deze toets niet in SPSS geïmplementeerd.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Referenties ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Referenties ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><<del style="font-weight: bold; text-decoration: none;">references</del>/></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{reflist|refs=</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><ref name="Chatfield2009"> Chatfield M, Mander A. [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2761045/ The Skillings–Mack test (Friedman test when there are missing data) ]. ''Stata J''. 2009 April 1; 9(2): 299–305.</ins></<ins style="font-weight: bold; text-decoration: none;">ref</ins>></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">}}</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
</table>
Rebecca Holman
https://wikistatistiek.amc.nl/index.php?title=Friedman_toets&diff=1895&oldid=prev
Rebecca Holman: /* De Skillings–Mack toets (Friedman toets bij ontbrekende data) */
2013-04-21T13:26:02Z
<p><span dir="auto"><span class="autocomment">De Skillings–Mack toets (Friedman toets bij ontbrekende data)</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
<col class="diff-content" />
<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:26, 21 April 2013</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l73">Line 73:</td>
<td colspan="2" class="diff-lineno">Line 73:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== De Skillings–Mack toets (Friedman toets bij ontbrekende data) ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== De Skillings–Mack toets (Friedman toets bij ontbrekende data) ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Het is meestal niet aan te raden om de Friedman toets te gebruiken als een deel van de data ontbreken. Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-) continue variabele verschillen en er sprake is van ontbrekende waarden, kun je de Skillings–Mack toets gebruiken <ref name="Chatfield2009" /> . Voorwaarde is wel dat de data met behulp van een incomplete block design zijn verzameld of [[Missing_values | missing completely at random]] zijn. Je kunt de waarde van de Skillings–Mack toets berekenen met de <nowiki>skilmack</nowiki> command in Stata en de Skillings.Mack package in R. Op dit moment (april 2013) wordt deze toets niet in SPSS geïmplementeerd.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Het is meestal niet aan te raden om de Friedman toets te gebruiken als een deel van de data ontbreken. Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-) continue variabele verschillen en er sprake is van ontbrekende waarden, kun je de Skillings–Mack toets gebruiken <ref name="Chatfield2009"<ins style="font-weight: bold; text-decoration: none;">> Chatfield M, Mander A. [http:</ins>/<ins style="font-weight: bold; text-decoration: none;">/www.ncbi.nlm.nih.gov/pmc/articles/PMC2761045/ The Skillings–Mack test (Friedman test when there are missing data) ]. ''Stata J''. 2009 April 1; 9(2): 299–305. </ref</ins>>. Voorwaarde is wel dat de data met behulp van een incomplete block design zijn verzameld of [[Missing_values | missing completely at random]] zijn. Je kunt de waarde van de Skillings–Mack toets berekenen met de <nowiki>skilmack</nowiki> command in Stata en de Skillings.Mack package in R. Op dit moment (april 2013) wordt deze toets niet in SPSS geïmplementeerd.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Referenties ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Referenties ==</div></td></tr>
</table>
Rebecca Holman
https://wikistatistiek.amc.nl/index.php?title=Friedman_toets&diff=1894&oldid=prev
Rebecca Holman: /* Referenties */
2013-04-21T13:25:31Z
<p><span dir="auto"><span class="autocomment">Referenties</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:25, 21 April 2013</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"><references></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"><ref name="Chatfield2009"> Chatfield M, Mander A. [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2761045/ The Skillings–Mack test (Friedman test when there are missing data) ]. ''Stata J''. 2009 April 1; 9(2): 299–305. </ref></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></references></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><div style="background-color:#e8f1ff; margin:0.5em; padding:1em; border:1px solid #C8D0DC;"></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><div style="background-color:#e8f1ff; margin:0.5em; padding:1em; border:1px solid #C8D0DC;"></div></td></tr>
</table>
Rebecca Holman
https://wikistatistiek.amc.nl/index.php?title=Friedman_toets&diff=1893&oldid=prev
Rebecca Holman: /* Referenties */
2013-04-21T13:25:08Z
<p><span dir="auto"><span class="autocomment">Referenties</span></span></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:25, 21 April 2013</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Referenties ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Referenties ==</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><references/></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><references></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><references></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ref name="Chatfield2009"> Chatfield M, Mander A. [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2761045/ The Skillings–Mack test (Friedman test when there are missing data) ]. ''Stata J''. 2009 April 1; 9(2): 299–305. </ref></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><ref name="Chatfield2009"> Chatfield M, Mander A. [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2761045/ The Skillings–Mack test (Friedman test when there are missing data) ]. ''Stata J''. 2009 April 1; 9(2): 299–305. </ref></div></td></tr>
</table>
Rebecca Holman
https://wikistatistiek.amc.nl/index.php?title=Friedman_toets&diff=1892&oldid=prev
Rebecca Holman at 13:18, 21 April 2013
2013-04-21T13:18:42Z
<p></p>
<table style="background-color: #fff; color: #202122;" data-mw="interface">
<col class="diff-marker" />
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<col class="diff-marker" />
<col class="diff-content" />
<tr class="diff-title" lang="en">
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:18, 21 April 2013</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l73">Line 73:</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== De Skillings–Mack toets (Friedman toets bij ontbrekende data) ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== De Skillings–Mack toets (Friedman toets bij ontbrekende data) ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Het is meestal niet aan te raden om de Friedman toets te gebruiken als een deel van de data ontbreken. Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-) continue variabele verschillen en er sprake is van ontbrekende waarden, kun je de Skillings–Mack toets gebruiken <del style="font-weight: bold; text-decoration: none;"><ref name="Chatfield2009"> Chatfield M, Mander A. [http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2761045/ The Skillings–Mack test (Friedman test when there are missing data) ]. ''Stata J''. 2009 April 1; 9(2): 299–305. </ref> </del><ref name="Chatfield2009" /> . Voorwaarde is wel dat de data met behulp van een incomplete block design zijn verzameld of [[Missing_values | missing completely at random]] zijn. Je kunt de waarde van de Skillings–Mack toets berekenen met de <nowiki>skilmack</nowiki> command in Stata en de Skillings.Mack package in R. Op dit moment (april 2013) wordt deze toets niet in SPSS geïmplementeerd.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Het is meestal niet aan te raden om de Friedman toets te gebruiken als een deel van de data ontbreken. Als je wilt toetsen of de waardes van een meer dan twee maal gemeten, gepaarde, (semi-) continue variabele verschillen en er sprake is van ontbrekende waarden, kun je de Skillings–Mack toets gebruiken <ref name="Chatfield2009" /> . Voorwaarde is wel dat de data met behulp van een incomplete block design zijn verzameld of [[Missing_values | missing completely at random]] zijn. Je kunt de waarde van de Skillings–Mack toets berekenen met de <nowiki>skilmack</nowiki> command in Stata en de Skillings.Mack package in R. Op dit moment (april 2013) wordt deze toets niet in SPSS geïmplementeerd.</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Referenties ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Referenties ==</div></td></tr>
</table>
Rebecca Holman