SOFTWARE/STATA

 

ANOVA/MANOVA

ANOVA/ANCOVA

  • balanced and unbalanced designs
  • missing cells
  • factorial, nested, Latin-square, and mixed desings
  • repeated measures
  • Box, Greenhouse-Geisser, and Huynh-Feldt corrections

Post estimation after ANOVA

  • Marginal means, predictive margins, marginal effects, and average marginal effects*
  • Tests for effects, including pooling and nonresidual error terms
  • Tests for expressions involving the coefficients of the underlying regression model
  • Bonferroni, Holm, and Šidák adjustments for multiple tests
  • ability to display symbolic forms
  • Predictions and influence statistics
    • expected values
    • residuals, standardized residuals, studentized residuals
    • standard error of the prediction or residuals
    • leverage
    • Cook's D
    • COVRATIO
    • DFBETAs
    • diagonal of hat matrix
    • Welsch distance
  • linear combinations of estimated coefficients along with confidence intervals
  • Nonlinear combinations of estimated coefficients along with confidence intervals
  • diagnostic plots
    • component-plus-residual
    • augmented component-plus-residual
    • leverage vs. squared residual
    • residual vs. fitted
    • residual vs. predictor
 

MANOVA

  • multivariate test statistics
    • Wilks's lambda
    • Pillai's trace
    • Lawley–Hotelling trace
    • Roy's largest root
  • balanced and unbalanced designs
  • missing cells
  • factorial, nested, Latin-square, and mixed designs
  • repeated measures

Post estimation after MANOVA

  • Marginal means, predictive margins, marginal effects, and average marginal effects*
  • Multivariate tests (Wilks's lambda, Pillai's trace, etc.) for
    • terms from the model
    • pooled terms
    • terms (or pooled terms) tested using other terms (or pooled terms) as the error term
    • linear combinations of the underlying design matrix
  • Wald tests of expressions involving the coefficients of the underlying regression model
  • linear combinations of estimated coefficients along with confidence intervals
  • Nonlinear combinations of estimated coefficients along with confidence intervals*
  • predictions
    • point estimates
    • standard error of point estimates
    • residuals

* new in Stata 11

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