ggplot2 - Create Elegant Data Visualisations Using the Grammar …
ggplot2 is a system for declaratively creating graphics, based on The Grammar of Graphics. You provide the data, tell ggplot2 how to map variables to aesthetics, what graphical primitives to …
Introduction to ggplot2
ggplot2 is an R package for producing visualizations of data. Unlike many graphics packages, ggplot2 uses a conceptual framework based on the grammar of graphics. This allows you to …
Package index • ggplot2
To create your own geoms, stats, scales, and facets, you’ll need to learn a bit about the object oriented system that ggplot2 uses. Start by reading vignette("extending-ggplot2") then consult …
Create a new ggplot — ggplot • ggplot2
ggplot() initializes a ggplot object. It can be used to declare the input data frame for a graphic and to specify the set of plot aesthetics intended to be common throughout all subsequent layers …
Aesthetic specifications • ggplot2
Typically you specify font size using points (or pt for short), where 1 pt = 0.35mm. In geom_text() and geom_label(), you can set size.unit = "pt" to use points instead of millimeters. In addition, …
Layer position adjustments — layer_positions • ggplot2
In ggplot2, a plot is constructed by adding layers to it. In addition to geoms and stats, position adjustments are the third required part of a layer. The 'position' part of a layer is responsible …
A box and whiskers plot (in the style of Tukey) — geom_boxplot • …
Thus, ggplot2 will by default try to guess which orientation the layer should have. Under rare circumstances, the orientation is ambiguous and guessing may fail. In that case the orientation …
Bar charts — geom_bar • ggplot2
Thus, ggplot2 will by default try to guess which orientation the layer should have. Under rare circumstances, the orientation is ambiguous and guessing may fail. In that case the orientation …
Complete themes — ggtheme • ggplot2
Details theme_gray() The signature ggplot2 theme with a grey background and white gridlines, designed to put the data forward yet make comparisons easy. theme_bw() The classic dark-on …
Points — geom_point • ggplot2
Aesthetics geom_point() understands the following aesthetics (required aesthetics are in bold): x y alpha colour fill group shape size stroke Learn more about setting these aesthetics in …