LRCC {CC}

R Documentation

Lowess-Range-Chart

Description

Trial limits for the Lowess-Range Chart, and an estimator of the process standard deviation. This chart is appropriate for subgroups of size 1.

Usage

LRCC(x, sigma, plotit = FALSE)

Arguments

x	a numeric vector containing the process measurements
sigma	(optional) the standard deviation of the measurements
plotit	logical value indicating whether a plot should be produced

Value

an estimate of the standard deviation and a plot of the chart

Author(s)

W.J. Braun

References

Braun, W.J. (2002) The LR-chart: An Alternative to the MR-chart.

See Also

xbarRCC

Examples

LRCC(rnorm(10))

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