| Compare a continuous variable between 2 independent groups |
Two groups continuous |
- Independent group t-test
- Wilcoxon-Mann-Whitney
|
Testing two groups continuous in R |
Compare a continuous variable between 2 dependent groups
(ex: pre/post studies) |
Two groups continuous |
- Paired t-test
- Wilcoxon Rank Sum test
|
Testing two groups continuous in R |
| Compare a continuous variable between more than 2 independent groups |
Two groups continuous |
- Analysis of variance (ANOVA)
- Kruskal-Wallis test
|
Testing multiple groups with ANOVA in R |
| Test for association between two categorical variables |
Testing associations |
- Chi-square test
- Fisher’s Exact test
- McNemar’s test
- Cochran Armitage test for trend
|
Testing for associations in R |