PASS is the best power analysis and sample size tool on
the market. No other sample size program covers as many
statistical procedures.
NCSS is a comprehensive, accurate, and easy-to-learn
statistical analysis and graphics system for Windows.
GESS is our new comprehensive package for statistical
analysis of microarray gene expression data.
Statistical procedures include repeated measures ANOVA,
GLM ANOVA, Cox Regression, Multiple Regression and
Logistic Regression.