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The SHEWHART Procedure

Overview

This section provides details on the following topics:

  • displaying process data stratified into levels using a symbol-variable

  • displaying process data stratified into blocks using block-variables

  • displaying process data stratified into time phases using the READPHASES= option

  • displaying multiple sets of control limits using the READPHASES= and READINDEXES= options

  • displaying multivariate process data using star charts

  • displaying trends in process data

  • clipping extreme points to create more readable charts

  • labeling axes

  • selecting subgroups for computation and display

The options described in this section can be specified in all the chart statements available in the SHEWHART procedure.

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