https://community.jmp.com/t5/Discussions/Misclassification-rating-stable-in-Process-Performance-Plot/m-p/702579#M88689 <P>In Process Performance Plot below a process Y FPC 4 with data point &gt; Upper Control Limit is rated Stable?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="frankderuyck_0-1700839431587.png" style="width: 489px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/59059i7307C7B492A539BF/image-dimensions/489x304?v=v2" width="489" height="304" role="button" title="frankderuyck_0-1700839431587.png" alt="frankderuyck_0-1700839431587.png" /></span></P><P>&nbsp;</P> Fri, 24 Nov 2023 15:27:29 GMT frankderuyck 2023-11-24T15:27:29Z https://community.jmp.com/t5/Discussions/Misclassification-rating-stable-in-Process-Performance-Plot/m-p/702579#M88689 <P>In Process Performance Plot below a process Y FPC 4 with data point &gt; Upper Control Limit is rated Stable?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="frankderuyck_0-1700839431587.png" style="width: 489px;"><img src="https://community.jmp.com/t5/image/serverpage/image-id/59059i7307C7B492A539BF/image-dimensions/489x304?v=v2" width="489" height="304" role="button" title="frankderuyck_0-1700839431587.png" alt="frankderuyck_0-1700839431587.png" /></span></P><P>&nbsp;</P> Fri, 24 Nov 2023 15:27:29 GMT https://community.jmp.com/t5/Discussions/Misclassification-rating-stable-in-Process-Performance-Plot/m-p/702579#M88689 frankderuyck 2023-11-24T15:27:29Z https://community.jmp.com/t5/Discussions/Misclassification-rating-stable-in-Process-Performance-Plot/m-p/702598#M88690 <P><A href="https://www.jmp.com/support/help/en/17.2/#page/jmp/process-performance-plot.shtml" target="_blank" rel="noopener"> Quality and Process Methods &gt; Process Capability &gt; Process Capability Platform Options &gt; Process Performance Plot</A>&nbsp;</P> <P class="N1bullet"><SPAN class="WebWorks_Number"><SPAN>• </SPAN></SPAN>A stability index that exceeds 1.25 indicates that the <SPAN class="Search_Result_Highlight">process</SPAN> is unstable.</P> <P class="N1bullet"><SPAN class="WebWorks_Number"><SPAN>• </SPAN></SPAN>A Ppk that is smaller than 1.0 indicates that the <SPAN class="Search_Result_Highlight">process</SPAN> is not capable.</P> Fri, 24 Nov 2023 15:33:47 GMT https://community.jmp.com/t5/Discussions/Misclassification-rating-stable-in-Process-Performance-Plot/m-p/702598#M88690 jthi 2023-11-24T15:33:47Z https://community.jmp.com/t5/Discussions/Misclassification-rating-stable-in-Process-Performance-Plot/m-p/703095#M88744 <P>Jarma thanks for remark, stability assessment is not linked to control chart signals but to capability ratio's cpk/ppk. I should lower the ratio then link with control chart will be OK.&nbsp;</P> Mon, 27 Nov 2023 12:11:55 GMT https://community.jmp.com/t5/Discussions/Misclassification-rating-stable-in-Process-Performance-Plot/m-p/703095#M88744 frankderuyck 2023-11-27T12:11:55Z