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Increase the space between facets in a facetted plot created using ggplot2 in R.
To increase the space between facets in a facetted plot created by using ggplot2 in R, we can use theme function with panel.spacing argument.
For Example, if we have a data frame called df that contains three columns say X, Y and F where F is a factor column then we can create facetted scatterplots having facets spaced at a larger distance between X and Y for values in F by using the command given below −
ggplot(df,aes(X,Y))+geom_point()+facet_wrap(~F)+theme(panel.spacing=unit(1,"lines"))
Example
Following snippet creates a sample data frame −
IV<-rpois(20,5)
DV<-rpois(20,5)
Group<-sample(c("First","Second","Third"),20,replace=TRUE)
df<-data.frame(IV,DV,Group)
dfThe following dataframe is created
IV DV Group 1 4 3 Second 2 5 6 Second 3 3 1 Second 4 4 4 Third 5 5 1 Third 6 3 3 Second 7 4 3 Second 8 4 6 Second 9 8 6 Second 10 0 8 Second 11 4 2 First 12 4 5 Third 13 5 1 Second 14 8 4 Third 15 3 1 Third 16 8 2 First 17 6 7 First 18 6 7 Second 19 11 3 Second 20 6 6 First
To load ggplot2 package and create facetted scatterplot between IV and DV with facets based on values in Group column −
IV<-rpois(20,5)
DV<-rpois(20,5)
Group<-sample(c("First","Second","Third"),20,replace=TRUE)
df<-data.frame(IV,DV,Group)
library(ggplot2)
ggplot(df,aes(IV,DV))+geom_point()+facet_wrap(~Group)Output
If you execute all the above given snippets as a single program, it generates the following Output −
To create facetted scatterplot between IV and DV with facets spaced at a larger distance based on values in Group column on the above created data frame, add the following code to the above snippet −
IV<-rpois(20,5)
DV<-rpois(20,5)
Group<-sample(c("First","Second","Third"),20,replace=TRUE)
df<-data.frame(IV,DV,Group)
library(ggplot2)
ggplot(df,aes(IV,DV))+geom_point()+facet_wrap(~Group)+theme(panel.spacing=unit(1,"lines"))Output
If you execute all the above given snippets as a single program, it generates the following Output −
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