Prompt

Plan appropriate statistical analyses for research data.

<study_design>
{RCT, cohort, case-control, cross-sectional}
</study_design>

<variables>
- Outcome: {primary and secondary outcomes}
- Predictors: {independent variables}
- Confounders: {potential confounding variables}
</variables>

<data_types>
{continuous, categorical, ordinal, time-to-event}
</data_types>

<sample_size>
{number of participants/observations}
</sample_size>

Plan analyses:
1. Descriptive statistics approach
2. Assumption checking procedures
3. Primary analysis selection with rationale
4. Handling missing data (multiple imputation?)
5. Adjustment for multiple comparisons
6. Sensitivity analyses
7. Effect size calculations
8. Software and packages to use