titles: Modify an Axis/Chart Title

In KO112/chartjs: R Interface to Chart.js

Description

See here for more detailed documentation for axis titles: https://www.chartjs.org/docs/latest/axes/labelling.html.

Usage

axis_title(
  chart,
  id,
  xOrY = tolower(substr(id, 1, 1)),
  ...,
  title,
  display = TRUE,
  lineHeight = 1.2,
  fontColor = "#666",
  fontSize = 12,
  fontStyle = "normal",
  fontFamily = "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
  padding = 4
)

chart_title(
  chart,
  ...,
  title,
  display = TRUE,
  lineHeight = 1.2,
  position = c("top", "left", "bottom", "right")[1],
  fontColor = "#666",
  fontSize = 12,
  fontStyle = "normal",
  fontFamily = "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
  padding = 4
)

Arguments

chart	A chartjs object.
id	The ID of the axis to add a title to (character scalar).
xOrY	Whether the axis is an x or y-axis (character scalar).
...	Additional named options to be used in the axis title (should have no effect here).
title	The title of the axis/chart (character scalar).
display	Whether to display the axis/chart title (boolean scalar).
lineHeight	The height of an individual line of text (see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height) (character/numeric scalar).
fontColor	The color of the title font (character scalar).
fontSize	The size of the title font (numeric scalar).
fontStyle	Space-separated combination of values from [normal, bold, italic, oblique, initial, inherit] (character scalar).
fontFamily	The font family of the title text (character scalar).
padding	The padding to use around the axis title (numeric scalar).
position	The position of the chart title (character scalar).

Details

See here for more detailed documentation for chart titles: https://www.chartjs.org/docs/latest/configuration/title.html.

Value

A modified chartjs object.

KO112/chartjs documentation built on Aug. 6, 2020, 2:35 p.m.