https://community.jmp.com/t5/Discussions/Tukey-Kramer-Tukey-HSD-test-Unequal-Group-Sizes/m-p/62117#M33465 <P>See the attached journal. Using Bigclass.jmp, you can see that the Fit Y by X, Compare Means -&gt; All Pairs, Tukey HSD, for height by sex, does not require equal group sizes.</P> Tue, 03 Jul 2018 14:30:09 GMT Peter_Bartell 2018-07-03T14:30:09Z https://community.jmp.com/t5/Discussions/Tukey-Kramer-Tukey-HSD-test-Unequal-Group-Sizes/m-p/62107#M33459 <P>I have read in a reference book for R that the title 'Tukey Kramer' refers to the Tukey tests where there are unequal group sizes.&nbsp; The inference being that Tukey HSD requires groups to be of equal size.&nbsp; JMP refers to 'Tukey HSD (also&nbsp;called Tukey Kramer)' in the section</P><P><A target="_blank"><FONT color="#0066cc">Basic Analysis</FONT></A> <SPAN class="ww_skin_breadcrumbs_divider">&gt;</SPAN> <SPAN class="ww_skin_breadcrumbs_parent"><A target="_blank"><FONT color="#0066cc">Oneway Analysis</FONT></A> </SPAN><SPAN class="ww_skin_breadcrumbs_divider">&gt;</SPAN> <SPAN class="ww_skin_breadcrumbs_parent"><A target="_blank"><FONT color="#0066cc">Compare Means</FONT></A> </SPAN><SPAN class="ww_skin_breadcrumbs_divider">&gt;</SPAN> <SPAN class="ww_skin_breadcrumbs_current">All Pairs, Tukey HSD</SPAN> . Does JMP&nbsp;demand equal group sizes in each case?</P> Tue, 03 Jul 2018 13:06:21 GMT https://community.jmp.com/t5/Discussions/Tukey-Kramer-Tukey-HSD-test-Unequal-Group-Sizes/m-p/62107#M33459 CK 2018-07-03T13:06:21Z https://community.jmp.com/t5/Discussions/Tukey-Kramer-Tukey-HSD-test-Unequal-Group-Sizes/m-p/62117#M33465 <P>See the attached journal. Using Bigclass.jmp, you can see that the Fit Y by X, Compare Means -&gt; All Pairs, Tukey HSD, for height by sex, does not require equal group sizes.</P> Tue, 03 Jul 2018 14:30:09 GMT https://community.jmp.com/t5/Discussions/Tukey-Kramer-Tukey-HSD-test-Unequal-Group-Sizes/m-p/62117#M33465 Peter_Bartell 2018-07-03T14:30:09Z