Draw a barplot for dataframe with several columns

Question

I am having the following dataframe:

ID  Mean Min Max

A   10    4   18

B   20    6   22

C   12    2   78

From that, I want to plot a bar plot with ID on the x-axis where on each ID there will be bars with mean min and max. How can I do that?

Answer 1

I think the following code will work for you:

library(tidyverse)

dat %>%

  # data from wide to long format

  gather(variable, value, -ID) %>%

  ggplot(aes(x = ID, y = value, fill = reorder(variable, value))) +

  geom_bar(stat = 'identity', position = 'dodge')

With data:

dat <- read.table(text =" ID  Mean Min Max

A   10    4   18

B   20    6   22

C   12    2   78", header = T)

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