check_pilot_set_options {stratamatch} | R Documentation |
Check Pilot set options
Description
Check Pilot set options
Usage
check_pilot_set_options(
pilot_fraction,
pilot_size,
group_by_covariates,
data,
n_c
)
Arguments
pilot_fraction |
numeric between 0 and 1 giving the proportion of controls to be allotted for building the prognostic score (default = 0.1) |
pilot_size |
alternative to pilot_fraction. Approximate number of
observations to be used in pilot set. Note that the actual pilot set size
returned may not be exactly |
group_by_covariates |
character vector giving the names of covariates to be grouped by (optional). If specified, the pilot set will be sampled in a stratified manner, so that the composition of the pilot set reflects the composition of the whole data set in terms of these covariates. The specified covariates must be categorical. |
data |
|
n_c |
number of control observations in |
Value
nothing