Annotation histogram

Display a histogram of value in the specified column of an annotation_source.

Usage

annotation_histogram(
  factor_name,
  bins = 30,
  bin_edge = "grey",
  bin_fill = "lightgrey",
  vline = NULL,
  vline_colour = "red",
  ...
)

Arguments

factor_name

(character) The name of the column in the annotation_source to generate a histogram from.

bins

(numeric, integer) The number of bins to use when computing the histogram. The default is 30.

bin_edge

(character) The colour to use when plotting the edges of bins. The default is "grey".

bin_fill

(character) The colour to use when plotting the bins. The default is "lightgrey".

vline

(numeric, NULL, list) The x-axis location of veritcal lines used to indicate e.g. upper and lower limits. Use NULL if not required. The default is NULL.

vline_colour

(character) The colour to use when plotting vertical lines. The default is "red".

...

Additional slots and values passed to struct_class.

Value

A annotation_histogram object. This object has no output slots. See chart_plot in the struct package to plot this chart object.

Details

This object makes use of functionality from the following packages:

• ggplot2

Inheritance

A annotation_histogram object inherits the following struct classes:

annotation_histogram() ⭢ chart() ⭢ struct_class()

References

Wickham H (2016). ggplot2: Elegant Graphics for Data Analysis. Springer-Verlag New York. ISBN 978-3-319-24277-4, https://ggplot2.tidyverse.org.

Examples

M = annotation_histogram(
      factor_name = "V1",
      bins = 30,
      bin_edge = "grey",
      bin_fill = "lightgrey",
      vline = NULL,
      vline_colour = "red")