https://community.jmp.com/t5/Discussions/How-does-JMP-calculate-Ppk-Cpk/m-p/306491#M56188 <P>Here is a selection taken from the JMP Documentation Library, on the Statistical Details for Cpk</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="cpk.PNG" style="width: 593px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/26726i864D93835C310940/image-size/large?v=v2&amp;px=999" role="button" title="cpk.PNG" alt="cpk.PNG" /></span></P> <P>The JMP Documentation Library is found under the Help pull down menu</P> <P>&nbsp;</P> Mon, 14 Sep 2020 11:37:48 GMT txnelson 2020-09-14T11:37:48Z https://community.jmp.com/t5/Discussions/How-does-JMP-calculate-Ppk-Cpk/m-p/306323#M56178 <P>What equation does JMP use to calculate Ppk and Cpk values of a dataset given LSL and USL?</P><P>&nbsp;</P><P>Is it exactly as the equation below or does JMP use a different variant?</P><P>&nbsp;</P><P>Thanks,</P><P>s_ard</P> Sat, 10 Jun 2023 23:19:01 GMT https://community.jmp.com/t5/Discussions/How-does-JMP-calculate-Ppk-Cpk/m-p/306323#M56178 s_ard 2023-06-10T23:19:01Z https://community.jmp.com/t5/Discussions/How-does-JMP-calculate-Ppk-Cpk/m-p/306491#M56188 <P>Here is a selection taken from the JMP Documentation Library, on the Statistical Details for Cpk</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="cpk.PNG" style="width: 593px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/26726i864D93835C310940/image-size/large?v=v2&amp;px=999" role="button" title="cpk.PNG" alt="cpk.PNG" /></span></P> <P>The JMP Documentation Library is found under the Help pull down menu</P> <P>&nbsp;</P> Mon, 14 Sep 2020 11:37:48 GMT https://community.jmp.com/t5/Discussions/How-does-JMP-calculate-Ppk-Cpk/m-p/306491#M56188 txnelson 2020-09-14T11:37:48Z