Am I correct in understanding that R does not have quality control functions to generate quality control charts with control limits etc... BK ---------------------------------------------------------------------------- Brian T. Kurotsuchi E-Mail: bkurotsu at hornet.csc.calpoly.edu Cal Poly - San Luis Obispo Computer Science -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe" (in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._