In this post I am going to show how to draw boxplot using R studio with existing data set. For this I am uisng sleep data set.
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Boxplots
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to include the mean to the boxplot we can use below script.
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To view the Hirizental box plot with filling colors, we can use below syntax
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Thank You !!!
Boxplots
- are a perfect way to compare distributions of different groups
- allow a good overview: min, max, median,
- quartiles 1 and 3, outliers
- they often come together with ANOVA
- standard tool for scientific publications
sleepboxplot = boxplot(data = sleep, extra ~ group,
main = "Change in sleep duration",
col.main = "red", ylab="change in hrs", xlab="drug")
to include the mean to the boxplot we can use below script.
attach(sleep)
means = by(extra, group, mean)
points(means, col = "red")
horizontalboxplot = boxplot(data = sleep, extra ~ group, ylab="", xlab="", horizontal = T)
To view the Hirizental box plot with filling colors, we can use below syntax
horizontalboxplot = boxplot(data = sleep, extra ~ group, ylab="", xlab="", horizontal = T, col = c("blue", "red") )
Thank You !!!
Boxplot in R
Reviewed by Pubudu Dewagama
on
11:11:00 PM
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