CI and Testing Prevalence by Quality Tier

Prevalence Regression Across RQI (Fig 2)

Quality Distribution by Type (stacked)

Overall Distribution + Q-Q

Density by Type (faceted)

Bioinformatics vs All — Tukey Significant Pairs

Tukey HSD Pairwise Comparison

CI Impact

Test Impact

Repository Quality Radar Profiles

Mean RQI by Age Cohort — CI

Mean RQI by Age Cohort — Testing

Bioinformatics CI & Test Coverage by Cohort

Combined View (Fig 3)

Mean RQI by Primary Language

Odds Ratios: Predictors of Repo Activity

Activity Rate by CI/Test Presence and Domain

Table 1 — Mean Scores by Repository Type

Table S1 — Most Frequent Languages