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| preference-package | Design and Analysis of Two-stage Randomized Clinical Trials |
| analyze_raw_data | Analysis Function: Raw Data |
| analyze_summary_data | Analysis Function: Summary Data |
| effects_from_means | Calculate Effect Sizes from Means |
| imap | Summary data for the IMAP study |
| imap_strat | Stratified summary data for the IMAP study |
| optimal_proportion | Unstratified Optimized Theta |
| overall_power | Power Calculation from Sample Size |
| overall_sample_size | Overall Sample Size |
| preference | Design and Analysis of Two-stage Randomized Clinical Trials |
| preference_power | Preference Effect Power Calculation |
| preference_sample_size | Preference Effect Sample Size |
| selection_power | Selection Effect Power Calculation |
| selection_sample_size | Selection Effect Sample Size |
| treatment_effect_size | Treatment Effect Back Calculation |
| treatment_power | Treatment Effect Power Calculation |
| treatment_sample_size | Treatment Effect Sample Size |