Mean, median, midrange, biweight, standard deviation, range, interquartile range, variance, minimum, maximum, percentiles, kth largest, kth smallest, mid-k percent, kth percentile difference, skewness, kurtosis, count, number numeric, number nonnumeric.
Contingency Tables
Frequency tables, two-way contingency tables with row, column, table percents, standardized residuals, and Chi Square. Categories may be text or numeric.
Tests and Confidence intervals
t-test/interval, z-test/interval for individual means, pooled-t, two-sample-t, paired-t for difference between means, Chi Square test/interval for variances, F-test for equality of variances, Bonferroni adjustment for multiple tests/intervals.
Linear Models
Pearson Correlation, Spearman Rank Correlation, Kendall tau, Covariance, Simple Regression, Multiple Regression with any number of predictors, Regression diagnostics including residuals, predicted values, leverage, internally and externally studentized residuals, Cook’s distance, DFFits, and partial regression plots. Polynomial regression via transformed variables. Add or delete variables from regressions dynamically. ***FIX ME***-way unbalanced ANOVA with or without interactions including predicted values, residuals, studentized residuals, and diagnostics.
Other Multivariate Methods
Cluster Analysis, Principal Components Analysis. Principal axes are saved for use in other computations.
Transformations
More than 64 functions available either from menus or by typing any algebraic expression. IF/THEN/ELSE expressions make it easy to recode or define dummy variables.uÀá
