Create a bar chart.

Create a bar chart.

barChart(
  data,
  x,
  y,
  fill = "crimson",
  sort = "none",
  paddingWidth = 0.1,
  xticks = NULL,
  xFontSize = 10,
  yFontSize = 10,
  yticks = NULL,
  xtitle = NULL,
  xtitleFontSize = 16,
  ytitle = NULL,
  ytitleFontSize = 16,
  title = NULL,
  titleFontSize = 22,
  stroke = "crimson",
  strokeWidth = NULL,
  font = "Verdana, Geneva, Tahoma, sans-serif",
  bgcol = "#CAD0D3",
  opacity = 1,
  axisCol = "black",
  width = NULL,
  height = NULL
)

Arguments

data

The data frame containing the variables to consider.

x

The x-variable to consider.

y

The y-variable to consider.

fill

The color of the bars. Defaults to 'crimson'.

sort

Whether to sort or not the bars. Takes three values 'none' which is the default, 'ascending' or 'descending'.

paddingWidth

The distance between each bar. The value goes from 0 to 0.99 included. Defaults to 0.1.

xticks

Optional. the number of x-axis ticks to consider.

xFontSize

the font size of the x-axis labels. Defaults to 10.

yFontSize

the font size of the y-axis labels. Defaults to 10.

yticks

Optional. The number of y-axis ticks to consider.

xtitle

Optional. The title of the x-axis.

xtitleFontSize

The font size of the x-axis title. Defaults to 16.

ytitle

Optional. The title of the y-axis.

ytitleFontSize

The font size of the y-axis title. Defaults to 16.

title

Optional. The title of the plot.

titleFontSize

The font size of the plot title. Defaults to 22.

stroke

The stroke color of the bars. Defaults to 'crimson'.

strokeWidth

Optional. the stroke width of the bars.

font

The font family to consider for the titles. Defaults to "Verdana, Geneva, Tahoma, sans-serif".

bgcol

The background color of the SVG. Defaults to "#CAD0D3" HEX color.

opacity

The color opacity of the bars (from 0 to 1). Defaults to 1.

axisCol

the color of the x and y axis. It includes the ticks, the labels and titles. Defaults to 'black'.

width

Optional. The width of the SVG output.

height

Optional. The height of the SVG output.

Value

A SVG bar chart.

Examples

library(ggplot2) #needed for the mpg data frame
library(dplyr) #needed for data wrangling

mpg %>% group_by(manufacturer) %>%
 summarise(mean_cty = mean(cty)) %>%
 barChart(
   x = "manufacturer",
   y = "mean_cty",
   sort = "ascending",
   xFontSize = 10,
   yFontSize = 10,
   fill = "orange",
   strokeWidth = 1,
   ytitle = "average cty value",
   title = "Average City Miles per Gallon by manufacturer",
   titleFontSize = 16
 )