# Rattle Scripts: Data Transformation/Wrangling
#
# Copyright (C) 2024, Togaware Pty Ltd.
#
# License: GNU General Public License, Version 3 (the "License")
# https://www.gnu.org/licenses/gpl-3.0.en.html
#
# Time-stamp: <Monday 2025-01-20 13:50:57 +1100 Graham Williams>
#
# Licensed under the GNU General Public License, Version 3 (the "License");
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program.  If not, see <https://www.gnu.org/licenses/>.
#
# Author: Graham Williams, Yixiang Yin

# Remap variables.

# Turn a factor into indicator variables.

ds[, make.names(paste("TIN_<SELECTED_VAR>_",
                      levels(ds[["<SELECTED_VAR>"]]),
                      sep=""))] <-
  diag(nlevels(ds[["<SELECTED_VAR>"]]))[ds[["<SELECTED_VAR>"]],]

glimpse(ds)
summary(ds)
