derive_var_trtdurd: Derive Total Treatment Duration (Days)

In epijim/admiral: ADaM in R Asset Library

Description

Derives total treatment duration (days) (TRTDURD)

Usage

derive_var_trtdurd(dataset, start_date = TRTSDT, end_date = TRTEDT)

Arguments

dataset	Input dataset The columns specified by the start_date and the end_date parameter are expected.
start_date	The start date A date or date-time object is expected. Default: TRTSDT
end_date	The end date A date or date-time object is expected. Default: TRTEDT

Details

The total treatment duration is derived as the number of days from start to end date plus one.

Value

The input dataset with TRTDURD added

Author(s)

Stefan Bundfuss

See Also

derive_vars_duration()

Examples

data <- tibble::tribble(
  ~TRTSDT, ~TRTEDT,
  lubridate::ymd("2020-01-01"), lubridate::ymd("2020-02-24")
)

derive_var_trtdurd(data)

epijim/admiral documentation built on Feb. 13, 2022, 12:15 a.m.