zero_one {LSTbook} | R Documentation |
Zero-one transformation for categorical variable
Description
A convenience function for handling categorical response variables. Ordinarily, ggplot2 maps categorical levels to numerical values 1, 2, .... Such numerical mapping is inappropriate for logistic modeling, where we want the levels to be on a probability scale.
Usage
zero_one(x, one)
label_zero_one(P)
Arguments
x |
a categorical variable |
one |
character string specifying the level that gets mapped to 1. |
P |
A ggplot2 object made by |
Value
A numerical vector of 0s and 1s.
Examples
Birdkeepers |>
point_plot(zero_one(LC, one="LungCancer") ~ AG + BK, annot = "model")
Birdkeepers |>
mutate(Condition = zero_one(LC, one = "LungCancer")) |>
point_plot(Condition ~ AG + BK, annot = "model") |>
label_zero_one() |>
add_plot_labels(x="age", color = "Birdkeeper?")
[Package LSTbook version 0.5.0 Index]