Creating a boxplot from a binary variable using ggplot2

Question

library(ggplot2)
data <- c(1,0,1,1,0)
qplot(data) + geom_bar() + labs(x="Merged", y="Count")

this generates:

However, I wanted to generate a boxplot, and have no use for the values 0.25, 0.50, and 0.75 since they cannot exist in this data. I simply want two bars for 0 and 1 indicating the count of each value in the dataset. How can I accomplish this?

Looks like you mean barplot, rather than boxplot.

eipi10
– eipi10

2016-06-08 15:52:49 +00:00
Commented Jun 8, 2016 at 15:52 — eipi10
– eipi10, Commented Jun 8, 2016 at 15:52

woodvi · Accepted Answer · 2017-04-19 17:36:06Z

5

library(ggplot2)
data <- c(1,0,1,1,0)
qplot( as.factor(data) ) + 
    geom_bar() + 
    labs(x="Merged", y="Count")

This is based on @aosmith observation that a factor will remove the ordinality of the data, and the @eipi10 observation that you're looking for a barplot, not a boxplot.

Yields

edited Apr 19, 2017 at 17:36

answered Jun 8, 2016 at 16:01

woodvi

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