Create a bootstrap object.
Arguments
- data
data frame to be bootstrapped. It must have a unique identifier column named according to the specified argument 'id' (default value is 'BS_ID'). Other columns are covariates to bootstrap. They must all be numeric. Whatever the configuration of the bootstrap, these covariates are always read row by row and belong to a same individual.
- id
unique identifier column name in data
- replacement
values can be reused or not when drawn, logical
- random
values are drawn randomly, logical
- export_id
tell CAMPSIS if the identifier 'BS_ID' must be output or not, logical