Standardize the input dataframe — standardize.df0 • pandista

standardize.df0 does the following:

remaps IDs to consecutive integers
sorts the dataframe by ID and time
replaces categorical variables that have more than two levels with dummy indicators

Usage

standardize.df0(df0, id, t, from, to, i.covlist, c.covlist)

df0: The original input dataframe
id: Quoted column name from df0 containing subject ids
t: Quoted column name from df0 containing the time variable
from: Quoted column name from df0 containing the "from" state for the event in that row
to: Quoted column name from df0 containing the "to" state for the event in that row
i.covlist: A character vector containing quoted column names from df0 for categorical covariates
c.covlist: A character vector containing quoted column names from df0 for continuous covariates

A list containing the standardized dataframe and a character vector of standardized column names for covariates