Tests for heteroscedasticity: Breusch–Pagan test (BPG), Harvey test, Glejser test, Engle's ARCH test (Lagrange multiplier) and White test.Stepwise (forward and backward) regression.Weighted least squares (WLS) regression.Multivariate linear regression (residuals analysis, collinearity diagnostics, confidence and prediction bands).Wilcoxon Matched Pairs Test, Sign Test, Friedman ANOVA, Kendall's W (coefficient of concordance). Mann-Whitney U Test, Kolmogorov-Smirnov test, Wald-Wolfowitz Runs Test, Rosenbaum Criterion. Rank correlations (Kendall Tau, Spearman R, Gamma, Fechner).2x2 tables analysis (Chi-square, Yates Chi-square, Exact Fisher Test, etc.).Within subjects ANOVA and mixed models.Post-hoc comparisons - Bonferroni, Tukey-Kramer, Tukey B, Tukey HSD, Neuman-Keuls, Dunnett.One-way and two-way ANOVA (with and without replications).Multiple definitions for computing quantile statistics.Frequency tables analysis (for discrete and continuous variables).Normality tests (Jarque-Bera, Shapiro-Wilk, Shapiro-Francia, Cramer-von Mises, Anderson-Darling, Kolmogorov-Smirnov, D'Agostino's tests).Migration guide for users switching from Analysis ToolPak. Options to emulate Excel Analysis ToolPak results and.Permanent license and free major upgrades during the maintenance period.Standalone spreadsheet with Excel (XLS and XLSX), OpenOffice/LibreOffce Calc (ODS) and text documents support.
