Statistical Test Result #187 — Analysis Report
Contents
- mann whitney (#187) completed
1. Mann Whitney
2026-09-21 02:16:42 · statistical_test
The mann whitney on value across group groups was statistically significant (p < 0.001).
| statistic | 623.0 |
|---|---|
| p_value | 0.0 |
| significant | True |
| alternative | two-sided |
| method | asymptotic (normal approximation) |
| rank_biserial_r | -0.9936 |
| value_col | value |
| group_col | group |
group stats
| group | n | mean | sd | median | min | max |
|---|---|---|---|---|---|---|
| high | 25 | 13.606847 | 0.877117 | 13.486133 | 11.932558 | 15.628616 |
| low | 25 | 10.471072 | 0.995267 | 10.446981 | 8.686865 | 12.276171 |
effect size
| name | value |
|---|---|
| name | rank_biserial_r |
| value | -0.9936 |
group violin
mean ci
Method & Provenance
- Method
- Mann-Whitney U test
- Engine
- Python · scipy 1.17.1
- Input dataset
- gallery — example_posthoc_two_groups.csv
- Started
- 2026-09-21 02:16:42.978151
- Permanent link
- https://cat-g-omxpert.wishartlab.com/results/by-token/1be5947e8391456e8df328daaf731d47
| Parameter | Value |
|---|---|
| test_type | mann_whitney |
| value_col | value |
| group_col | group |
Command history
# python from scipy import stats # python stat, p = stats.mannwhitneyu(group_a, group_b, alternative='two-sided')