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Experimental design, data analysis, and statistical tooling for modern teams. No hype, just the math.

DifferenceNov 28New

Friedman Test

The Friedman Test is a test used to determine if 3 or more measurements from the same group are different from each other on a skewed variable of interest.

Difference Continuous Variable of Interest Many Samples Tests (3+ groups)

DifferenceNov 28New

Kruskal-Wallis One-Way ANOVA

The Kruskal-Wallis One-Way ANOVA is a test used to determine if 3+ groups are different from each other on a skewed variable of interest.

Difference Continuous Variable of Interest Many Samples Tests (3+ groups)

DifferenceNov 21New

Mann-Whitney U Test

The Mann-Whitney U Test compares two different groups on your variable of interest (dependent variable) when your variable of interest is skewed.

Difference Continuous Variable of Interest Two Sample Tests (2 groups)

DifferenceNov 21New

Single Sample Wilcoxon Signed-Rank Test

The Single Sample Wilcoxon Signed-Rank Test is a statistical test used to see if a single group is significantly different from a known population value.

Difference Continuous Variable of Interest One Sample Tests (single group)

DifferenceNov 21New

Wilcoxon Signed-Rank Test

The Wilcoxon Signed-Rank Test is a test used to determine if 2 continuous measurements from a single group are significantly different from each other.

Difference Continuous Variable of Interest Two Sample Tests (2 groups)