Assuming you have a data table that has a column that indicates the week and a column that contains the measurement values, with the Spec Limits populated as Column Properties for the measurement Column.
![txnelson_0-1654204071663.png txnelson_0-1654204071663.png](https://community.jmp.com/t5/image/serverpage/image-id/42926iC527B309FBB1E03A/image-size/medium?v=v2&px=400)
Go to
Analyze=>Quality and Process=>Process Capability
Fill in the Y, Process variable and place the column that has your week value into the "By" selection area
![txnelson_1-1654204271077.png txnelson_1-1654204271077.png](https://community.jmp.com/t5/image/serverpage/image-id/42927iDBD15752F006F71C/image-size/medium?v=v2&px=400)
In the output report window, hold down the CNTL key, and then click on the red triangle for the Process Capability, and select
Summary Reports=>Within Sigma Summary Report
Holding down the CNTL key will signal JMP to create the report for all of the Weeks.
![txnelson_2-1654204549983.png txnelson_2-1654204549983.png](https://community.jmp.com/t5/image/serverpage/image-id/42928iB9808D2A50F08C2E/image-size/medium?v=v2&px=400)
Right click on the summary report, and select
Create Combined Data Table
![txnelson_3-1654204660716.png txnelson_3-1654204660716.png](https://community.jmp.com/t5/image/serverpage/image-id/42929iB8482E8142C9F238/image-size/medium?v=v2&px=400)
This will create a new data table that has all of the Cp/Cpk information for each week, which you can then use as your report
![txnelson_4-1654204792979.png txnelson_4-1654204792979.png](https://community.jmp.com/t5/image/serverpage/image-id/42930i56F5F42B9DC3F1CB/image-size/medium?v=v2&px=400)
Jim