Building-block: Proportion of subjects having at least one event

Building-block: Proportion of subjects having at least one event

Usage

p_subj_event_(dat, cell_index, intersect_index, subjectid_var)

Arguments

dat

data.table. The analysis data set.

cell_index

A vector of integers referencing the rows of dat (as specified by the INDEX_ column in dat) that match the population to be analyzed. See the "Endpoint Events" vignette in ramnog for more information.

intersect_index

A vector of intergers referencing the rows of dat that match both (1) the population to be analyzed and (2) the defenition of an event

subjectid_var

character. Name of the subject identifier variable in the data (default is "USUBJID").

Value

an integer value