Run Stability Analysis on Control Charts

Jay Arthur
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It's easy to run stability analysis on a control chart created using the QI Macros.

• Control Charts Created with a Macro
• Control Charts Created Using Control Chart Templates

Control Chart Created Using a Macro

When you run a chart using a macro from the QI Macros pull down menu, the QI Macros will automatically run stability analysis on your data and turn any unstable points or conditions red.

If you add data, delete a point, ghost a point, or show a process change on a control chart you should re-run stability analysis on your data. To do this, click on the QI Macros Chart Menu and select "Analyze Stability."

Control Charts Created with a Control Chart Template

To run stability analysis on a chart created using a control chart template:

1. Click on the chart (dark boxes will appear at the corners)

   

2. Click on the QI Macros pull down menu and select Analyze Stability.
3. If you have an X and an R chart you will need to select each chart and run stability analysis on each separately.

QI Macros Control Chart Menu Features

• Add Data to Control Charts
• Remove (Ghost) Point from Control Chart Calculations
• Delete Point from Control Chart
• Add Text to Data Point
• Show Process Change on Control Chart
• Analyze Stability with Control Chart Rules

Add Target or Goal Line to Chart

Other QI Macros and Control Chart Articles

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