| cordata | Correlation and Cohen's d effect sizes. |
| language_test | Language Test in High School |
| meechua_eff.CI | Calculates and plots treatment and regression effects as also its p-values. |
| meechua_plot | Plot models from 'meechua_reg' |
| meechua_reg | Fit linear models on the (replication) data. |
| replicate_data | Replicates before and after values 100 times. |