xCC: x-Chart Parameters
In CC: Control Charts

Description Usage Arguments Value Author(s) References See Also

This function computes control limits for the x-charts, optionally revising them in the case that individual values plot outside the trial control limits.

1	xCC(x, sigma, k = 3, mu, newdata)

`x`	a numeric vector consisting of the subgroup averages
`k`	the control chart parameter governing the width of the control limits
`sigma`	an estimate of the in-control standard deviation
`mu`	(optional) an estimate of the in-control mean
`newdata`	(optional) new observations