spc.capability.cpm.simple: Calculate Capability Measures - Cpm

In burrm/lolcat: Miscellaneous Useful Functions

Calculate Capability Measures - Cpm

Description

Calculate Cpm, a measure that combines the measure of variability and targeting relative to nominal specifications. Higher is better.

Usage

spc.capability.cpm.simple(
  lower.specification,
  upper.specification,
  process.variability,
  process.center,
  nominal.center,
  n.sigma = 6
)

Arguments

lower.specification	Lower specification limit (if applicable)
upper.specification	Upper specification limit (if applicable)
process.variability	Estimate of process variability, expressed as variance
process.center	Estimate of process center
nominal.center	Nominal target for the process
n.sigma	The number of standard deviations to use in the denominator of the calculation. 6 is recommended, but 5.15 has also been historically used by Automotive Industry Action Group (AIAG).

Value

A scalar with computed Cpm.

burrm/lolcat documentation built on Aug. 15, 2024, 6:16 p.m.