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
Examples
#brakeCap example
data(brakeCap)
invCpFun(x=brakeCap$hardness, cp=1, fun="normal")
[Package qAnalyst version 0.6.4 Index]