https://communities.sas.com/t5/Statistical-Procedures/Please-let-me-know-the-answer/m-p/943022#M47065 <P>This 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<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/100085i10AED52206104466/image-size/large?v=v2&amp;px=999" role="button" title="1.png" alt="1.png" /></span></P> Sat, 07 Sep 2024 08:59:48 GMT Amey12 2024-09-07T08:59:48Z https://communities.sas.com/t5/Statistical-Procedures/Please-let-me-know-the-answer/m-p/943022#M47065 <P>This 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<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/100085i10AED52206104466/image-size/large?v=v2&amp;px=999" role="button" title="1.png" alt="1.png" /></span></P> Sat, 07 Sep 2024 08:59:48 GMT https://communities.sas.com/t5/Statistical-Procedures/Please-let-me-know-the-answer/m-p/943022#M47065 Amey12 2024-09-07T08:59:48Z https://communities.sas.com/t5/Statistical-Procedures/Please-let-me-know-the-answer/m-p/943034#M47080 <P>After looking at all of the questions you have posted here,&nbsp; and because I (and most of us here in the SAS Communities) will not do your homework for you, I have two suggestions:</P> <P>&nbsp;</P> <P>1. Go through your class notes to see if you can find an answer</P> <P>2. Sit down with your professor and have him/her explain it</P> <P>&nbsp;</P> Sat, 07 Sep 2024 12:34:32 GMT https://communities.sas.com/t5/Statistical-Procedures/Please-let-me-know-the-answer/m-p/943034#M47080 PaigeMiller 2024-09-07T12:34:32Z