Accuracy of Statistical Packages

· On the Accuracy of Statistical Distributions in GAUSS (1998)

The accuracy of some statistical distributions in GAUSS is unacceptable in the view of the author. Published in CSDA 20 (1995), 699-702. GAUSSACC.PDF (PDF-file of about 30K).

· On the Accuracy of Statistical Distributions in S-Plus for Windows (1999)

The accuracy of some statistical distributions in S-Plus is unacceptable in the view of the author. Unpublished up to now. SPLUSACC.PDF (PDF-file of about 45K).

· On the Accuracy of Statistical Distributions in SAS (2001)

All errors mentioned in my first report of 1998 have been corrected, but there remain some possible improvements that are a desideratum. SASACC1.PDF (PDF-file of about 47K).

· On the Reliability of Microsoft Excel XP for Statistical Purposes (2002)

Negative variances, bad random numbers, computation of statistical distributions still unacceptable. EXCELXP.PDF (PDF-file of about 27K).