https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943001#M47068 <P>Th<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="1.png" style="width: 507px;"><img src="https://communities.sas.com/t5/image/serverpage/image-id/100073i5F047E2A8CDF249F/image-size/large?v=v2&amp;px=999" role="button" title="1.png" alt="1.png" /></span>is question relates to a SAS Proc GLM analysis of data from a cross-sectional survey looking at the relationship between Y and D (which are quantitative variables). The table below summarises a sequence of fitted models with Y = dependent variable.</P><P>&nbsp;</P><P>Which type of curvature improves the fit of the model the most?</P><P><BR /><BR />D × ln(D)</P><P><BR />sqrt(D)</P><P><BR />ln(D)</P><P><BR />D × D</P> Sat, 07 Sep 2024 08:19:00 GMT Amey12 2024-09-07T08:19:00Z https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943001#M47068 <P>Th<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="1.png" style="width: 507px;"><img src="https://communities.sas.com/t5/image/serverpage/image-id/100073i5F047E2A8CDF249F/image-size/large?v=v2&amp;px=999" role="button" title="1.png" alt="1.png" /></span>is question relates to a SAS Proc GLM analysis of data from a cross-sectional survey looking at the relationship between Y and D (which are quantitative variables). The table below summarises a sequence of fitted models with Y = dependent variable.</P><P>&nbsp;</P><P>Which type of curvature improves the fit of the model the most?</P><P><BR /><BR />D × ln(D)</P><P><BR />sqrt(D)</P><P><BR />ln(D)</P><P><BR />D × D</P> Sat, 07 Sep 2024 08:19:00 GMT https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943001#M47068 Amey12 2024-09-07T08:19:00Z https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943009#M47069 Better post it at STAT Forum:<BR /><A href="https://communities.sas.com/t5/Statistical-Procedures/bd-p/statistical_procedures" target="_blank">https://communities.sas.com/t5/Statistical-Procedures/bd-p/statistical_procedures</A><BR />And I guess it is ln(D) ? Sat, 07 Sep 2024 08:40:39 GMT https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943009#M47069 Ksharp 2024-09-07T08:40:39Z https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943010#M47070 Are you sure on this Sat, 07 Sep 2024 08:42:19 GMT https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943010#M47070 Amey12 2024-09-07T08:42:19Z https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943016#M47071 Nope.<BR />That is the reason why I ask you to post it at STAT Forum. And let statistical experts to see it . <a href="https://communities.sas.com/t5/user/viewprofilepage/user-id/13633">@StatDave</a> <a href="https://communities.sas.com/t5/user/viewprofilepage/user-id/13758">@lvm</a> <a href="https://communities.sas.com/t5/user/viewprofilepage/user-id/15363">@SteveDenham</a> Sat, 07 Sep 2024 08:46:36 GMT https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943016#M47071 Ksharp 2024-09-07T08:46:36Z https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943017#M47072 How do i post it on stat forum Sat, 07 Sep 2024 08:48:11 GMT https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943017#M47072 Amey12 2024-09-07T08:48:11Z https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943020#M47073 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Ksharp_0-1725699131490.png" style="width: 400px;"><img src="https://communities.sas.com/t5/image/serverpage/image-id/100083i9EA4F19DE1C1D59D/image-size/medium?v=v2&amp;px=400" role="button" title="Ksharp_0-1725699131490.png" alt="Ksharp_0-1725699131490.png" /></span></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Ksharp_1-1725699208832.png" style="width: 400px;"><img src="https://communities.sas.com/t5/image/serverpage/image-id/100084iF13AC29EB83C13A2/image-size/medium?v=v2&amp;px=400" role="button" title="Ksharp_1-1725699208832.png" alt="Ksharp_1-1725699208832.png" /></span></P> <P>&nbsp;</P> Sat, 07 Sep 2024 08:53:49 GMT https://communities.sas.com/t5/Statistical-Procedures/Can-anyone-solve-this-question/m-p/943020#M47073 Ksharp 2024-09-07T08:53:49Z