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How to create boxplot of vectors having different lengths in R?
If we have multiple vectors of different lengths then the boxplot for such vectors can be created by creating a single data frame using those vectors with a categorical column showing the name of the vectors and a numerical column having the corresponding values. Then boxplot function will be used as shown in the below example.
Example
Consider the below vector x and y and create the data frame using them −
> x<-rpois(20,2) > y<-rpois(15,2) > df<-data.frame(X=c(x,y),Grp=rep(c("x","y"),times=c(20,15))) > df
Output
X Grp 1 4 x 2 2 x 3 1 x 4 2 x 5 0 x 6 2 x 7 3 x 8 1 x 9 0 x 10 1 x 11 3 x 12 4 x 13 2 x 14 3 x 15 4 x 16 1 x 17 1 x 18 1 x 19 1 x 20 1 x 21 1 y 22 0 y 23 1 y 24 4 y 25 1 y 26 1 y 27 2 y 28 3 y 29 1 y 30 5 y 31 2 y 32 0 y 33 1 y 34 4 y 35 1 y
Creating the boxplot for groups in df −
> boxplot(X~Grp,data=df)
Output
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