Variable Conformance Summary

This ASP report provides comprehensive quality statistics for selected variables and products. The following parameters are required:

  • The start and end time

  • The unit

  • The variable(s)

  • The product(s)

The selected variables are grouped by product and the following statistics are provided for each variable:

  • Average

  • Standard Deviation

  • Specification limits:

  • Upper and lower reject

  • Upper and lower warning

  • Target

  • Capability statistics:

  • Ppk

  • Cpk

For descriptions and calculation details for these and other statistics, see Variable Property Definitions.

  • Std(s): Std(s) is standard deviation from the mean

  • Std(t): Std(t) is standard deviation from the target

  • Sampling details:

  • Total

  • Tested

  • Rejected

Variable Conformance Summary Report

The report includes a drop-down menu for quick navigation to the various summaries presented.

The capability statistics (Ppk, Cpk) are highlighted to show whether the calculated index falls in the target range (green), in the warning range (yellow), or in the reject range (red).

For each variable on the report, you can:

  • Click the Graph icon to view an interactive Trend display.

  • Click the Variable Statistics icon to view a detailed statistical analysis.

  • Click the hyperlink next to the Pencil icon to view comments. The Pencil icon (and hyperlink) will appear only if comments have been entered for the variable.

See Also