mark_text: Text mark

In vegalite: Tools to Encode Visualizations with the 'Grammar of Graphics'-Like 'Vega-Lite' 'Spec'

Description

A text mark represents each data point with a text instead of a point.

Usage

mark_text(vl, opacity = NULL, color = NULL, fill = NULL, stroke = NULL)

Arguments

vl	a Vega-Lite object
opacity	0.0-1.0
color	color of the mark – either fill or stroke color based on the filled mark config.
fill	fill color. This config will be overridden by color channel’s specified or mapped values if filled is true.
stroke	stroke color. This config will be overridden by color channel’s specified or mapped values if filled is false.

References

Vega-Lite Mark spec

Examples

vegalite() %>%
  cell_size(300, 200) %>%
  add_data("https://vega.github.io/vega-editor/app/data/cars.json") %>%
  encode_x("Horsepower", "quantitative") %>%
  encode_y("Miles_per_Gallon", "quantitative") %>%
  encode_color("Origin", "nominal") %>%
  calculate("OriginInitial", "datum.Origin[0]") %>%
  encode_text("OriginInitial", "nominal") %>%
  mark_text()

vegalite documentation built on May 2, 2019, 10:46 a.m.