process_tolerance {ggQC}

Calculate QC Process Tolerance

Description

function to calculate a standardized process tolerance with sigma unit

Usage

process_tolerance(LSL, USL, QC.Sigma)

Arguments

LSL

number, customer's lower specification limit.

USL

number, customer's upper specification limit.

QC.Sigma

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

Value

numeric, standardized process tolerance value in sigma units