Prints summary of a qic object

Source: R/qic.summary.R

Prints summary of a qic object

# S3 method for qic
summary(object, ...)

Arguments

object

A qic object.

...

For compatibility with generic summary function.

Value

A data frame of summary values of each facet and part of a qic plot.

  • facet1 Vertical facets.

  • facet2 Horizontal facets

  • part Number of chart part when argument break.points is given.

  • aLCL Average of lower control limit.

  • CL Centre line.

  • aUCL Average of upper control limit.

  • longest.run Length of the longest run of data points on the same side of the centre line.

  • longest.run.max Upper limit of expected length of longest run.

  • n.crossings Number of times the data line crosses the centre line.

  • n.crossings.min Lower limit of expected number of crossings.

  • runs.signal 1 if either longest run or number of crossings are outside expected limits.

  • sigma.signal Number of data points outside control limits.

Examples

p <- qic(rnorm(24), chart = 'i')
p

summary(p)
#>   facet1 facet2 part n.obs n.useful longest.run longest.run.max n.crossings
#> 1      1      1    1    24       24          10               8           8
#>   n.crossings.min runs.signal      aLCL   aLCL.95         CL  aUCL.95     aUCL
#> 1               8           1 -3.078101 -2.100742 -0.1460241 1.808694 2.786053
#>   sigma.signal
#> 1            0