set_strat {baker}

Stratification setup by covariates

Description

set_strat makes group indicators based on ⁠model_options$X_reg_*⁠

Usage

set_strat(X, X_reg)

Arguments

X

A data frame of covariates

X_reg

The vector of covariates that will stratify the analyses. These variables have to be categorical.

Details

the results from this function will help stratify etiology or FPR for different strata; the ways of stratification for etiology and FPR can be based on different covariates.

Value

A list with following elements:

• N_group The number of groups

• group A vector of group indicator for every observation