I have used package ( tidyverse
) and just wanted to add labels to 5 specific points on this lot. I have tried the below code but it is not giving me any points. the data set is about 2000 observations over 21 variables.
BOTTOM=which(interest2$ID%in%project.pca$ID);
text(which(interest2$ID%in%project.pca$ID)[BOTTOM,1], text(which(interest2$ID%in%project.pca$ID))[BOTTOM,2],text(which(interest2$ID%in%project.pca$ID)[BOTTOM,3],rownames(input)[BOTTOM],pos=1)
With ggplot, Make the PCA plot first, and the add edition layer with dataframe with only those 5 points. Check out in this post for example
https://datavizpyr.com/how-to-add-labels-to-select-points-with-ggrepel/
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