https://community.jmp.com/t5/Discussions/To-validate-a-model-can-I-compare-the-optimal-conditions-with/m-p/616462#M81612 <P>Your approach might work. You might instead apply the original interval for the predicted mean response [12.1783, 39.7935] as the acceptable range in a test of equivalence with just the new, independent 6 runs. Us half the interval length for the test. See the JMP Help about <A href="https://www.jmp.com/support/help/en/17.0/#page/jmp/test-equivalence.shtml#" target="_self">Test Equivalence with the Distribution platform</A>.</P> Fri, 24 Mar 2023 20:06:44 GMT Mark_Bailey 2023-03-24T20:06:44Z https://community.jmp.com/t5/Discussions/To-validate-a-model-can-I-compare-the-optimal-conditions-with/m-p/616445#M81611 <P>Here are the optimal conditions for the model comprised of 15 Box Behnken design runs with standard least squares.&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="HotellingGnu652_2-1679684614317.png" style="width: 400px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/51466iE2D20050ECC6B51A/image-size/medium?v=v2&amp;px=400" role="button" title="HotellingGnu652_2-1679684614317.png" alt="HotellingGnu652_2-1679684614317.png" /></span></P><P>&nbsp;</P><P>The optimal conditions for the model comprised of the same 15 Box Behnken design runs + 6 new runs, yield nearly the same optimal conditions with a slightly lower defect rate to fall within the spec limits.&nbsp;</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="HotellingGnu652_3-1679684621834.png" style="width: 400px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/51467i2A48B1FAD1BEDD01/image-size/medium?v=v2&amp;px=400" role="button" title="HotellingGnu652_3-1679684621834.png" alt="HotellingGnu652_3-1679684621834.png" /></span></P><P>&nbsp;</P><P>Could it be statistically justifiable to compare the optimal conditions of these two models, with a T-test or any other test, as a means of model validation for the standard least squares platform? All opinions are welcome!</P><P>&nbsp;</P><P>&nbsp;</P> Fri, 09 Jun 2023 00:59:32 GMT https://community.jmp.com/t5/Discussions/To-validate-a-model-can-I-compare-the-optimal-conditions-with/m-p/616445#M81611 HotellingGnu652 2023-06-09T00:59:32Z https://community.jmp.com/t5/Discussions/To-validate-a-model-can-I-compare-the-optimal-conditions-with/m-p/616462#M81612 <P>Your approach might work. You might instead apply the original interval for the predicted mean response [12.1783, 39.7935] as the acceptable range in a test of equivalence with just the new, independent 6 runs. Us half the interval length for the test. See the JMP Help about <A href="https://www.jmp.com/support/help/en/17.0/#page/jmp/test-equivalence.shtml#" target="_self">Test Equivalence with the Distribution platform</A>.</P> Fri, 24 Mar 2023 20:06:44 GMT https://community.jmp.com/t5/Discussions/To-validate-a-model-can-I-compare-the-optimal-conditions-with/m-p/616462#M81612 Mark_Bailey 2023-03-24T20:06:44Z