Algorithms statistical test Flashcards
Statistical tests for comparing 2 groups with respect to means: Independent groups, non-normal distrib.
Statistical tests for comparing 2 groups with respect to means: Independent groups, normal distrib.
Statistical tests for comparing 2 groups with respect to means: Paired groups
Parametric comparison test:
Predictor variable: Categorical (1 predictor)
Outcome variable: Quantitative (groups come from the same population)
Paired t-test
Parametric comparison test:
Predictor variable: Categorical (1 predictor)
Outcome variable: Quantitative (groups come from different populations)
Independent t-test
Parametric comparison test:
Predictor variable: Categorical (1 or more predictor)
Outcome variable: Quantitative (1 outcome)
ANOVA
Parametric comparison test:
Predictor variable: Categorical (1 or more predictor)
Outcome variable: Quantitative (2 or more outcomes)
MANOVA
Nonparametric test:
Predictor variable: quantitative
Outcome variable: quantitive
Equivalent parametric (correlation)
Spearman’s r
Use in place of: Pearson’s r
Nonparametric test:
Predictor variable: Categorical
Outcome variable: Categorical
Equivalent parametric
Chi-square test of independence
Use in place of: Pearson’s r
Nonparametric test:
Predictor variable: Categorical
Outcome variable: Quantitative
Equivalent parametric
Sign test
Use in place of: One sample t test
Nonparametric test:
Predictor variable: Categorical (3 or more groups)
Outcome variable: Quantitative
Equivalent parametric
Kruskal-Wallis H
Use in place of: ANOVA
Nonparametric test:
Predictor variable: Categorical (2 groups)
Outcome variable: Quantitative (groups come from different populations)
Equivalent parametric
Wilcoxon Rank-Sum test
Use in place of: Independent t-test
Nonparametric test:
Predictor variable: Categorical (3 or more groups)
Outcome variable: Quantitative (2 or more outcome variables)
Equivalent parametric
ANOSIM
Use in place of: MANOVA
Nonparametric test:
Predictor variable: Categorical (2 groups)
Outcome variable: Quantitative (groups come from the same population)
Equivalent parametric
Wilcoxon Signed-rank test
Use in place of: Paired t-test
