Hi all,
I have a dataset with several variables, each of which is a separate
column. For each variable, I want to produce a boxplot and include the
name of the variable (ie, column name) on each plot.
I have included a sample dataset below. Can someone tell me where I am
going wrong?
Thank you for your help,
Shawn Morrison
# Generate a sample dataset
var1 = rnorm(1000)
var2 = rnorm(1000)
TimePeriod = rep((LETTERS[1:4]), 250)
my.data = as.data.frame(cbind(var1, var2, TimePeriod)); summary(my.data)
attach(my.data)
# Create box plots for var1 and var2 using TimePeriod on the x-axis
lapply(my.data[,1:2], function(y) {
boxplot(y~TimePeriod,
main = y
data = my.data)
})
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