Delete a Point from a Control Chart

Remove Point from a Chart and from Control Limit Calculations

It's easy to delete a point from a control chart created using QI Macros. The process is different depending on how you create your control chart:

Control Charts Created with a Macro

To delete a point from a control chart:

  1. Click on the chart.
  2. Click on the point you want to delete.
    select point on a control chart

    Tip: The first time you click on a point, Excel will select the whole line. Click on the point a second time to select just the point. If you have done this correctly, Excel will highlight your point.

  3. Click on the QI Macros Chart menu (to the far right) to open the control chart tools menu. Select "Ghost,Delete or Show Point" then Delete point..


  4. Rerun stability analysis without the deleted point by selecting "Analyze Stability" on the same menu.

Control Chart Created with a Template

To delete a point on a control chart template, simply delete that point from the input area.

NOTE: If you use the "Delete Point" function from the QI Macros Chart section, the function will remove necessary calculations from your template.

Why Choose QI Macros Over Other Control Chart Software?



  • Only $299 USD - less with quantity discounts
  • No annual subscription fees
  • Free technical support

easy to use

Easy to Use

  • Works right in Excel
  • Create a chart in seconds
  • Easy to customize & share charts

proven and trusted

Proven and Trusted

  • More than 100,000 users
  • In More than 80 countries
  • Five Star CNET Rating - Virus free