d STB-17 sqc1. Estimating process capability indices. d STB insert by d Sutaip L. C. Saw, Department of Economics and Statistics, d National University of Singapore. d Teck Wong Soon, Department of Economics and Statistics, d National University of Singapore. d Support: FAX (011) 65-775-2646 d After installation, see help ^pciest^. d Note: To run the tutorial, copy pca.tut to your working directory, enter d Stata, and type 'do pca.tut'. f sqc1/cylinder.dat f sqc1/pca.tut f sqc1/pciest.ado f sqc1/pciest.hlp