cv26_qpoisson_ppu {CleaningValidation} | R Documentation |
Calculate Process Performance Index using Poisson Distribution
Description
This function calculates the Process Performance Index (Ppu) for data assumed to follow a Poisson distribution. It includes a bootstrap method for estimating the confidence interval of the Ppu.
Usage
cv26_qpoisson_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 counts. |
cleaning_event_col |
Name of the column in 'data' used to group data by cleaning event. |
usl_col |
Name of the column in 'data' that contains the Upper Specification Limit (USL) for each group. |
Value
A data frame with columns Method, Ppu, CI_Lower, and CI_Upper.
Author(s)
Chan, Mohamed, Lou, Wendy, Yang, Xiande [xiande.yang at gmail.com]
Examples
cv26_qpoisson_ppu(Eq_Mic, "Mic", "CleaningEvent", "USL")
[Package CleaningValidation version 1.0 Index]