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How to create facetted scatterplot with scale of X-axis based on the numerical values corresponding to grouping column in R?
To create facetted scatterplot with scale of X-axis based on the numerical values corresponding to grouping column in R, we can follow the below steps −
- First of all, create a data frame having at least one grouping column and two numerical columns.
- Create the facetted scatterplot based on the grouping column.
- Create the facetted scatterplot based on grouping column with X-axis scale based on corresponding values in numerical columns.
Create the data frame
Let's create a data frame as shown below −
x<-rnorm(25)
y<-rnorm(25)
Group<-sample(c("I","II","III"),25,replace=TRUE)
df<-data.frame(x,y,Group)
dfOn executing, the above script generates the below output(this output will vary on your system due to randomization) −
x y Group 1 -0.06003068 -0.03152809 I 2 0.25623423 -1.29352676 II 3 1.33262053 -0.06087708 II 4 -0.36941067 0.74087833 III 5 -0.99569044 0.41905898 I 6 1.22503543 0.52395651 II 7 0.95275184 -0.28702197 I 8 0.84738322 1.36251099 II 9 -0.16882941 1.37360297 I 10 -0.10127204 4.08784173 II 11 1.16913642 0.07131399 III 12 -0.41072790 -0.97774893 II 13 -0.22731318 0.39041022 II 14 -1.32150070 -1.44081453 I 15 -1.42127302 0.16998612 II 16 0.51943412 1.28815309 III 17 0.02464822 0.52065734 I 18 -2.08735318 -0.20159059 I 19 -0.68489624 1.27413443 II 20 -0.41124316 -1.54678178 III 21 0.41159464 0.04313352 III 22 -0.08041443 0.13865832 III 23 -1.62382282 -0.41246075 II 24 1.03445779 -0.59183981 I 25 -0.57874560 1.17858206 II
Create facetted scatterplot
Use facet_grid function of ggplot2 package to create facetted scatterplot −
x<-rnorm(25)
y<-rnorm(25)
Group<-sample(c("I","II","III"),25,replace=TRUE)
df<-data.frame(x,y,Group)
library(ggplot2)
ggplot(df,aes(x,y))+geom_point()+facet_grid(~Group)Output
Create facetted scatterplot with X-axis values based on numerical values for group
Use facet_grid function of ggplot2 package to create facetted scatterplot with scales argument set to free as shown below −
x<-rnorm(25)
y<-rnorm(25)
Group<-sample(c("I","II","III"),25,replace=TRUE)
df<-data.frame(x,y,Group)
library(ggplot2)
ggplot(df,aes(x,y))+geom_point()+facet_grid(~Group,scales="free")Output
Updated on: 13-Aug-2021
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