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The numbers plotted next to the outliers indicate the row number of your original dataframe. Admitted, it could look nicer, but it’s enough to find your outliers back in your data.
It’s done by this code:
#create boxplot
boxdata <- with(data,boxplot(dependent ~ condition1 * condition2, range=4))
#for each outlier in boxdata
for(i in 1:length(boxdata$group)){
#add text to the boxplot
text(boxdata$group[i], boxdata$out[i], which(data$dependent==boxdata$out[i]),pos=4)
}You can download the code here.
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