https://community.jmp.com/t5/Discussions/How-to-understand-Lambda1-and-Lambda2-for-Box-Cox-transformation/m-p/614578#M81444 <P>What do Lambda1 and Lambda2 mean when specify parameters for Box Cox transformation? How to specify them?</P><P>I have searched Box Cox formula in Help. It has only one Lambda parameter in formula. So I'm confusing.</P><P>Thank you!</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChernoffTurtle7_0-1679386954703.png" style="width: 400px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/51290iB188B4E2CCD30A08/image-size/medium?v=v2&amp;px=400" role="button" title="ChernoffTurtle7_0-1679386954703.png" alt="ChernoffTurtle7_0-1679386954703.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChernoffTurtle7_1-1679386987715.png" style="width: 400px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/51291i008F20B4540406D1/image-size/medium?v=v2&amp;px=400" role="button" title="ChernoffTurtle7_1-1679386987715.png" alt="ChernoffTurtle7_1-1679386987715.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChernoffTurtle7_2-1679387045357.png" style="width: 400px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/51292i6AEFB8057DCE95C8/image-size/medium?v=v2&amp;px=400" role="button" title="ChernoffTurtle7_2-1679387045357.png" alt="ChernoffTurtle7_2-1679387045357.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P> Fri, 09 Jun 2023 00:59:12 GMT ChernoffTurtle7 2023-06-09T00:59:12Z https://community.jmp.com/t5/Discussions/How-to-understand-Lambda1-and-Lambda2-for-Box-Cox-transformation/m-p/614578#M81444 <P>What do Lambda1 and Lambda2 mean when specify parameters for Box Cox transformation? How to specify them?</P><P>I have searched Box Cox formula in Help. It has only one Lambda parameter in formula. So I'm confusing.</P><P>Thank you!</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChernoffTurtle7_0-1679386954703.png" style="width: 400px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/51290iB188B4E2CCD30A08/image-size/medium?v=v2&amp;px=400" role="button" title="ChernoffTurtle7_0-1679386954703.png" alt="ChernoffTurtle7_0-1679386954703.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChernoffTurtle7_1-1679386987715.png" style="width: 400px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/51291i008F20B4540406D1/image-size/medium?v=v2&amp;px=400" role="button" title="ChernoffTurtle7_1-1679386987715.png" alt="ChernoffTurtle7_1-1679386987715.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="ChernoffTurtle7_2-1679387045357.png" style="width: 400px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/51292i6AEFB8057DCE95C8/image-size/medium?v=v2&amp;px=400" role="button" title="ChernoffTurtle7_2-1679387045357.png" alt="ChernoffTurtle7_2-1679387045357.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P> Fri, 09 Jun 2023 00:59:12 GMT https://community.jmp.com/t5/Discussions/How-to-understand-Lambda1-and-Lambda2-for-Box-Cox-transformation/m-p/614578#M81444 ChernoffTurtle7 2023-06-09T00:59:12Z https://community.jmp.com/t5/Discussions/How-to-understand-Lambda1-and-Lambda2-for-Box-Cox-transformation/m-p/614657#M81449 <P>JMP's Box-Cox function (as opposed to the B-C transformation in linear models, as you show above) is based on the following.&nbsp;</P><P><A href="https://en.wikipedia.org/wiki/Power_transform" target="_blank">https://en.wikipedia.org/wiki/Power_transform</A>.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="MRB3855_0-1679394548442.png" style="width: 400px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/51297i31F32EE818507772/image-size/medium?v=v2&amp;px=400" role="button" title="MRB3855_0-1679394548442.png" alt="MRB3855_0-1679394548442.png" /></span></P><P>&nbsp;</P> Tue, 21 Mar 2023 10:30:29 GMT https://community.jmp.com/t5/Discussions/How-to-understand-Lambda1-and-Lambda2-for-Box-Cox-transformation/m-p/614657#M81449 MRB3855 2023-03-21T10:30:29Z https://community.jmp.com/t5/Discussions/How-to-understand-Lambda1-and-Lambda2-for-Box-Cox-transformation/m-p/616058#M81572 <P>Thank you!</P> Fri, 24 Mar 2023 02:00:31 GMT https://community.jmp.com/t5/Discussions/How-to-understand-Lambda1-and-Lambda2-for-Box-Cox-transformation/m-p/616058#M81572 ChernoffTurtle7 2023-03-24T02:00:31Z