Cpk: Calculate Cpk

Description Usage Arguments Value

View source: R/02_QC_FUN_Capability.R

Description

function to calculate Cpk - "measure of process centering"

Usage

1
Cpk(LSL, USL, QC.Center, QC.Sigma)

Arguments

LSL

number, customer's lower specification limit.

USL

number, customer's upper specification limit.

QC.Center

number, the mean or median value determined from an XmR plot or a Studentized (e.g., xBar) analysis.

QC.Sigma

number, the sigma value determined from an XmR plot or a Studentized (e.g., xBar) analysis.

Value

numeric, Cpk value (unitless)


ggQC documentation built on May 1, 2019, 10:26 p.m.