cv28_freeman_ppu {CleaningValidation} | R Documentation |
This function calculates the Process Performance Index (Ppu) using Freeman's transformation, including a bootstrap method to estimate the confidence interval of Ppu.
cv28_freeman_ppu(data, residue_col, cleaning_event_col, usl_col)
data |
A data frame containing the dataset. |
residue_col |
The name of the column in 'data' containing residue or defect counts. |
cleaning_event_col |
The name of the column in 'data' used for grouping data by cleaning event. |
usl_col |
The name of the column in 'data' that contains the Upper Specification Limit (USL). |
A data frame with columns for the Method, Ppu, CI_Lower, and CI_Upper.
Chan, Mohamed, Lou, Wendy, Yang, Xiande [xiande.yang at gmail.com]
cv28_freeman_ppu(Eq_Mic, "Mic", "CleaningEvent", "USL")