plot_pieplot: Plot pie

In daltoolbox: Leveraging Experiment Lines to Data Analytics

Plot pie

Description

Pie chart from a two‑column data.frame (category, value) using polar coordinates.

Usage

plot_pieplot(
  data,
  label_x = "",
  label_y = "",
  colors = NULL,
  textcolor = "white",
  bordercolor = "black"
)

Arguments

data	two‑column data.frame with category and value
label_x	x‑axis label (unused in pie, kept for symmetry)
label_y	y‑axis label (unused in pie)
colors	vector of slice fills
textcolor	label text color
bordercolor	slice border color

Details

Slices are sized by the second (numeric) column. Text and border colors can be customized.

Value

returns a ggplot2::ggplot graphic

Examples

#summarizing iris dataset
data <- iris |> dplyr::group_by(Species) |>
dplyr::summarize(Sepal.Length=mean(Sepal.Length))
head(data)

#ploting data
grf <- plot_pieplot(data, colors=c("red", "green", "blue"))
plot(grf)

daltoolbox documentation built on Nov. 5, 2025, 7:09 p.m.