Boxplot in R (9 Examples) | Create a Box-and-Whisker Plot in RStudio | boxplot() Function & ggplot2

How to draw a boxplot in the R programming language. More details: https://statisticsglobe.com/boxplot-in-r R code of this video tutorial: ##### Example 1 set.seed(8642) # Create random data x ＜- rnorm(1000) boxplot(x) # Basic boxplot in R ##### Example 2 y ＜- runif(1000) # Create more variables z ＜- rpois(1000, 3) data ＜- data.frame(values = c(x, y, z), # Combine variables in data frame group = c(rep("x", 1000), rep("y", 1000), rep("z", 1000))) head(data) # First six rows of data boxplot(values ~ group, data) # Multiple boxplots in same graph ##### Example 3 boxplot(values ~ group, data, # Change main title and axis labels main = "My Boxplots", xlab = "My Boxplot Groups", ylab = "The Values of My Boxplots") ##### Example 4 boxplot(values ~ group, data, # Horizontal boxplots horizontal = TRUE) ##### Example 5 boxplot(values ~ group, data, # Thin boxplots notch = TRUE) ##### Example 6 boxplot(values ~ group, data, # Color of boxplots col = "red") ##### Example 7 boxplot(values ~ group, data, # Different color for each boxplot col = c("red", "green", "purple")) ##### Example 8 data2 ＜- data # Replicate data data2$group ＜- c(rep("x1", 500), rep("x2", 500), # Modify group variable rep("y1", 500), rep("y2", 500), rep("z1", 500), rep("z2", 500)) boxplot(values ~ group, data2, # Boxplot with manual positions col = c("blue", "pink"), at = c(1, 2, 5, 6, 9, 10)) ##### Example 9 install.packages("ggplot2") # Install and load ggplot2 library("ggplot2") ggplot(data2, aes(x = group, y = values, fill = group)) + # Create boxplot chart in ggplot2 geom_boxplot()