calculate_age_from_dob: Function to calculate age from date of birth

In IPDFileCheck: Basic Functions to Check Readability, Consistency, and Content of an Individual Participant Data File

Description

Function to calculate age from date of birth

Usage

calculate_age_from_dob(
  data,
  columnname,
  enddatecol = NULL,
  dateformat = "dmy",
  nrcode = NA
)

Arguments

data	a data frame
columnname	name of column corresponding to date of birth
enddatecol	column contaiining when to calculate the age to, default value is null, this means the age is calculated to the current date
dateformat	format of date e.g. dmy default is dmy
nrcode	non response code corresponding to date of birth

Value

data if success error if failure

Examples

library(IPDFileCheck)
this.df <- data.frame(c("1987-05-28", "1987-06-18"), c(1, 2),
stringsAsFactors = FALSE)
colnames(this.df) <- c("dob", "num")
calculate_age_from_dob(this.df, "dob", NULL, "ymd")

IPDFileCheck documentation built on Feb. 1, 2022, 9:07 a.m.