cv27_anscombe_ppu {CleaningValidation}

Process Performance Calculation using Anscombe's Transformation

Description

Calculates the Process Performance Index (Ppu) using Anscombe's transformation. This function also performs a bootstrap to estimate the confidence interval of Ppu.

Usage

cv27_anscombe_ppu(data, residue_col, cleaning_event_col, usl_col)

Arguments

data

A data frame containing the dataset.

residue_col

Name of the column in 'data' containing residue or defect counts.

cleaning_event_col

Name of the column in 'data' used for grouping by cleaning event.

usl_col

Name of the column in 'data' that contains the Upper Specification Limit (USL).

Value

A data frame with columns for the Method, Ppu, CI_Lower, and CI_Upper.

Author(s)

Chan, Mohamed, Lou, Wendy, Yang, Xiande [xiande.yang at gmail.com]

Examples

cv27_anscombe_ppu(Eq_Mic, "Mic", "CleaningEvent", "USL")