m.since: A Date/Month Time Difference Function

In noahlorinczcomi/sgmm: Tools for preparing longitudinal data for analysis and growth mixture modelling using the lcmm package

A Date/Month Time Difference Function

Description

This function helps you determine the number of months between two columns containing date values.

Usage

m.since(late_date, first_date, format = "%d/%m/%Y", to = "months")

Arguments

late_date	enter data frame column containing the later dates (e.g., second observation in a time-series data set).
first_date	enter the earlier date column.
format	format the entered date columns should be read as.
to	enter the format in which you would like the time difference output (e.g., days, weeks, months, years)

Examples

m.since()

noahlorinczcomi/sgmm documentation built on Aug. 23, 2023, 1:28 a.m.