The SPC Procedure

XRCHART Statement

  • XRCHART < / options>;

The XRCHART statement produces control charts for subgroup means and ranges. Table 20.12 lists the options that you can specify in an XRCHART statement. For detailed descriptions of these options, see the section Dictionary of Options.

Table 20.12: XRCHART Statement Options

Option

Description

ALLN

Includes all subgroups in the analysis, regardless of sample size

CIINDICES

Computes capability index confidence limits

EXCHART

Produces results only for charts in which exceptions occur

LIMITN=

Specifies the nominal sample size for fixed control limits

NO3SIGMACHECK

Applies tests for special causes when control limits other than limits are in effect

NOPRINT

Suppresses ODS output

OUTLIMITS=

Creates an output data table that contains control limits

OUTTABLE=

Creates an output data table that contains subgroup summary statistics and control limits

SIGMAS=

Specifies the width of the control limits in terms of a multiple of the standard error of the subgroup summary statistic

SMETHOD=

Specifies the method of estimating the process standard deviation

SPECS=

Specifies an input data table that contains process specification limits and computes process capability indices

TEST2RUN=

Specifies the length of the pattern for Test 2

TEST3RUN=

Specifies the length of the pattern for Test 3

TESTNSTD

Applies tests for special causes to standardized chart statistics

TESTOVERLAP

Performs tests for special causes on overlapping patterns of points

TESTS=

Requests tests for special causes for the chart

TESTS2=

Requests tests for special causes for the R chart


Last updated: December 21, 2018