repel helps repel overlapping text labels. It is forked from ggrepel to
help in a non ggplot2 context. Work in progress.
# install.packages("remotes")
remotes::install_github("hms-dbmi/repel")library(repel)
# plot points
plot(mpg ~ wt, data = mtcars, pch = 19, cex=0.4, col = 'red')
# construct label_coords
label_coords <- mtcars[, c('wt', 'mpg')]
colnames(label_coords) <- c('x', 'y')
label_coords$label <- row.names(mtcars)
# get coords of repelled labels and exclude if too much overlap
repels <- repel_text(label_coords)
repels <- repels[!repels$too_many_overlaps, ]
# plot labels and segments
text(label_coords$x, label_coords$y, labels = label_coords$label, col='lightgray')
text(repels$x, repels$y, labels = repels$label)
