invCpFun {qAnalyst}R Documentation

Function to get inverse capability tolerance limits

Description

invCpFun returns tolerance limits for a given data vector, provided a desidered cp.

Usage

invCpFun(x, cp = 1, fun = "normal")

Arguments

x

a vector of data

cp

desidered cp

fun

specified distribution, default normal

Details

Cp is supposed to be equal to cp, that is cp=cpk.

Value

A vector containing lsl and usl for given data.

Note

No notes

Author(s)

Giorgio Spedicato and Andrea Spano'

References

Bothe (1997), Measuring Process Capability, McGraw Hill

See Also

capability, funInfoFun

Examples

#brakeCap example
data(brakeCap)
invCpFun(x=brakeCap$hardness, cp=1, fun="normal")

[Package qAnalyst version 0.6.4 Index]