classPlot: Plot bars for item counts grouped and colored by class

In henna: A Versatile Visualization Suite

Plot bars for item counts grouped and colored by class

Description

This function plots bars for item counts grouped and colored by class.

Usage

classPlot(
  df,
  title = NULL,
  xLab = "Value",
  yLab = "Item",
  legendTitle = "Class",
  palette = "Spectral",
  labelSize = 2.5,
  labelColor = "black",
  legendTitleSize = 10,
  legendTextSize = 10,
  axisTextSize = 12,
  axisTitleSize = 12,
  decreasing = TRUE,
  valueCutoff = 0,
  ...
)

Arguments

df	A data frame with at least three columns. Its first column (categorical) colors the plot bars. The second column (categorical) labels the plots bars. The third column (numeric) sets the bar lengths.
title	Plot title.
xLab	x axis label.
yLab	y axis label.
legendTitle	Legend title.
palette	Color palette.
labelSize	Label size.
labelColor	Label color.
legendTitleSize	Legend title size.
legendTextSize	Legend text size.
axisTextSize	Axis text size.
axisTitleSize	Axis title size.
decreasing	Whether to display the bars in decreasing order of length.
valueCutoff	Cutoff used for filtering the input data frame based on the third (value) column. Only values above this cutoff will be displayed on the plot.
...	Additional arguments passed to centerTitle.

Value

An object of class gg.

Examples

 df <- data.frame(Class = sample(paste0('C', seq(13)), 25, replace=TRUE),
 Item = paste0('I', seq(25)),
 Value = runif(25, 0.5, 1))
 classPlot(df)

 df <- data.frame(Class = sample(paste0('C', seq(13)), 25, replace=TRUE),
 Item = sample(paste0('I', seq(21)), 25, replace=TRUE),
 Value = runif(25, 0.5, 1))
 classPlot(df)

henna documentation built on Feb. 17, 2026, 9:08 a.m.