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Our World Statistics Day conversations have been a great reminder of how much statistics can inform our lives. Do you have an example of how statistics has made a difference in your life? Share your story with the Community!
Feb 20, 2019 2:33 PM
| Last Modified: Feb 20, 2019 2:50 PM(1455 views)
Hi, I am trying to build control charts and collect data for points failing specific criteria like ones outside 4 sigma or consectuive increasing points from the data being reviewed. I am able to get this partially to work using the control chart builder and customized tests; however, it uses a moving range sigma and I would like to use the mean and sigma for the data group. I am able to get the mean and sigma that I want using the Levey Jennings chart; however, I am unable to get the customized tests to work with Levey Jennings chart. Below is Levey Jennings script where I added the line for customized warnings from the control chart builder script. Any suggestions on how to get the Levey Jennings chart to work with customized warnings or how to use the standard sigma for the control chart builder would be greatly appreciated.
Sample Label( :received_date ),
"Out of Control for test ^QCTEST in column ^QCCOL in sample ^QCSAMPLE",
"^QCTEST", Char( qc_test ),
"^QCSAMPLE", Char( qc_sample )
KSigma( 3 ),
Customize Tests( Test 1( 4, "1" ), Test 3( 8, "3" ) ),
Chart Col( :test_value, Levey Jennings( Test 1( 1 ), Test 3( 1 ) ) ),