rename_with_counts: Adds the category count to each category name in a given...

In healthcareai: Tools for Healthcare Machine Learning

Adds the category count to each category name in a given variable column

Description

'rename_with_counts' concatenates the count of each category to its category name given a specific variable. It can be useful in plots and tables to display the fequency of categories of a variable (see the example below).

Usage

rename_with_counts(d, variable_name)

Arguments

d	a tibble or dataframe
variable_name	the column with counts wanted

Value

a tibble with the counts appended to the 'variable_name' column

Examples

rename_with_counts(pima_diabetes, weight_class)

# Below is an example of how `rename_with_counts` can be helpful when
# creating plots and tables. This graph shows the outcomes of different
# weight classes in `pima_diabetes`. With the added information from
# `rename_with_counts`, we can see how common each category is.
library(ggplot2)
rename_with_counts(pima_diabetes, weight_class) %>%
  ggplot(aes(x = reorder(weight_class, diabetes, function(x) mean(x == "Y")),
             fill = diabetes)) +
  geom_bar(position = "fill") +
  coord_flip()

healthcareai documentation built on Sept. 5, 2022, 5:12 p.m.