Most basic barplot

This post describes how to build a basic barplot with R, without any packages, using the barplot() function.

In R, a barplot is computed using the barplot() function.

Here is the most basic example you can do. The input data is a data frame with 2 columns. value is used for bar height, name is used as category label.

Note: read more to

Customize your barplot
Do it with ggplot2

# create dummy data
data <- data.frame(
  name=letters[1:5],
  value=sample(seq(4,15),5)
)

# The most basic barplot you can do:
barplot(height=data$value, names=data$name)

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