| Release |
Procedure |
Exact methods available |
| Prior to SAS 6.11 |
UNIVARIATE |
Sign test; Wilcoxon signed-rank test for N≤20 |
| FREQ |
Fisher's exact test for 2×2 or R×C tables |
| PHREG |
Exact conditional method for ties in continuous failure times |
| MULTTEST |
Fisher's exact test; exact permutation versions of Cochran-Armitage trend test and Peto test; limited exact CMH tests |
| SAS 6.11 TS020 |
NPAR1WAY |
Two- or multi-sample exact tests based on Wilcoxon, median, Van der
Waerden, and Savage scores |
| SAS 6.11 TS040 |
FREQ |
Exact tests for the Pearson, likelihood ratio, and Mantel-Haenszel
chi-square statistics, and the Pearson and Spearman correlation coefficients;
exact Jonckheere-Terpstra, Cochran-Armitage, and McNemar tests
|
| SAS 6.12 (and SAS 6.09 TS450 or later on MVS, CMS, and VMS) |
FREQ |
Exact tests and confidence intervals for kappa, weighted kappa, and the odds ratio |
| SAS 7 TS P1 |
FREQ |
Exact tests for kappa, weighted kappa, binomial probability, and the odds ratio in 2×2 tables; exact confidence interval for the odds ratio and binomial probability |
| NPAR1WAY |
Exact tests for scale (variability) differences; Monte Carlo estimates of exact p -values |
| SAS 8.0 (TS0M0) |
FREQ |
Monte Carlo estimates of exact p -values |
| SAS 8.1 (TS1M0) |
LOGISTIC |
Exact logistic regression |
| SAS 9.0 (TS0M0) |
GLM |
Exact multivariate tests (Wilk's lambda, Hotelling-Lawley trace, Roy's greatest root) |
| NPAR1WAY |
Exact two-sample Kolmogorov-Smirnov tests |
| LOGISTIC |
Stratified exact conditional logistic regression; Monte Carlo estimation |
| POWER |
Exact power computations for various tests |
| SAS 9.1 (TS1M0) |
NPAR1WAY |
For two-sample problems, exact one-sided tests for the Kolmogorov-Smirnov D+ and D- statistics |
| FREQ |
Exact confidence limits and test for the common odds ratio |
CASECONTROL
ALLELE
FAMILY
HAPLOTYPE |
Monte Carlo estimates of exact p -values for case-control tests, disequilibrium tests, and family-based tests |
| SAS 9.2 (TS1M0) |
FREQ |
Unconditional exact confidence limits for the proportion difference; Zelen's exact test for equal odds ratios |
| NPAR1WAY |
Exact confidence limits for Hodges-Lehmann estimate of location shift for two-sample data; Exact tests based on Conover scores |
| POWER |
Power for exact equivalence test for binomial proportion |
SAS 9.2 (TS2M3)
STAT 9.22 |
FREQ |
Exact p -values for tests of Kendall's tau-b, Stuart's tau-c, Somers' D(C|R), and Somers' D(R|C) |
| GENMOD |
Exact and stratified exact poisson and logistic regression |
| SAS 9.3 (TS1M0) |
FREQ |
Exact unconditional confidence limits for the relative risk and the risk difference |
