plot_pie: Plot a Clean Pie Chart with Optional Inner Labels

In evanverse: Utility Functions for Data Analysis and Visualization

Plot a Clean Pie Chart with Optional Inner Labels

Description

Generate a polished pie chart from a vector or a grouped data frame. Labels (optional) are placed inside the pie slices.

Usage

plot_pie(
  data,
  group_col = "group",
  count_col = "count",
  label = c("none", "count", "percent", "both"),
  label_size = 4,
  label_color = "black",
  fill = c("#009076", "#C71E1D", "#15607A", "#FA8C00", "#18A1CD"),
  title = "Pie Chart",
  title_size = 14,
  title_color = "black",
  legend.position = "right",
  preview = TRUE,
  save = NULL,
  return_data = FALSE
)

Arguments

data	A character/factor vector or data.frame.
group_col	Group column name (for data.frame). Default: "group".
count_col	Count column name (for data.frame). Default: "count".
label	Type of label to display: "none", "count", "percent", or "both". Default: "none".
label_size	Label font size. Default: 4.
label_color	Label font color. Default: "black".
fill	Fill color vector. Default: 5-color palette.
title	Plot title. Default: "Pie Chart".
title_size	Title font size. Default: 14.
title_color	Title color. Default: "black".
legend.position	Legend position. Default: "right".
preview	Whether to print the plot. Default: TRUE.
save	Optional path to save the plot (e.g., "plot.png").
return_data	If TRUE, return list(plot = ..., data = ...). Default: FALSE.

Value

A ggplot object or list(plot, data)

evanverse documentation built on March 10, 2026, 5:07 p.m.