calculate_time_since_baseline: Calculate time since baseline

In szymczak-lab/harmonizeGeneExprData: Harmonization of gene expression data from GEO and ArrayExpress

Calculate time since baseline

Description

If visit dates are available time since baseline visits (in days) is calculated.

Usage

calculate_time_since_baseline(
  pheno,
  col.id.sample,
  col.id.subject,
  col.date,
  col.visit,
  col.time.diff
)

Arguments

pheno	[data.frame] harmonized phenotype data
col.id.sample	[vector(1)] column name or number with sample identifier
col.id.subject	[vector(1)] column name or number with subject identifier
col.date	[vector(1)] column name or number with date of sample collection (needs to be of class Date)
col.visit	[vector(1)] column name or number with visit number (needs to be numeric)
col.time.diff	[character(1)] column name for new variable with time since baseline

szymczak-lab/harmonizeGeneExprData documentation built on Dec. 1, 2022, 9:07 p.m.