https://community.jmp.com/t5/Discussions/Manuellement-Reference-line-per-period/m-p/42976#M24918 <P>check out this thread.</P> <P>&nbsp;</P> <P><A href="https://community.jmp.com/t5/Discussions/How-to-add-reference-lines-automatically-to-variability-charts/td-p/14679" target="_blank">https://community.jmp.com/t5/Discussions/How-to-add-reference-lines-automatically-to-variability-charts/td-p/14679</A></P> Tue, 08 Aug 2017 20:53:57 GMT Byron_JMP 2017-08-08T20:53:57Z https://community.jmp.com/t5/Discussions/Manuellement-Reference-line-per-period/m-p/42809#M24821 Hi,<BR />I perfom control charts and i computer cpk for and centrre line with UCL and LCL. This items are added manually with a double clic on the axis. I would like to addition different centre lines calculated permet period (e.g: period 2015 to 2016 Ref line=0.60 and for the 2016 to 2017 Ref line=0.70).<BR />Thans in advance<BR />Bud<BR /> Thu, 03 Aug 2017 05:06:18 GMT https://community.jmp.com/t5/Discussions/Manuellement-Reference-line-per-period/m-p/42809#M24821 BUDBEERBX 2017-08-03T05:06:18Z https://community.jmp.com/t5/Discussions/Manuellement-Reference-line-per-period/m-p/42976#M24918 <P>check out this thread.</P> <P>&nbsp;</P> <P><A href="https://community.jmp.com/t5/Discussions/How-to-add-reference-lines-automatically-to-variability-charts/td-p/14679" target="_blank">https://community.jmp.com/t5/Discussions/How-to-add-reference-lines-automatically-to-variability-charts/td-p/14679</A></P> Tue, 08 Aug 2017 20:53:57 GMT https://community.jmp.com/t5/Discussions/Manuellement-Reference-line-per-period/m-p/42976#M24918 Byron_JMP 2017-08-08T20:53:57Z