Add category relations to a soc.ca plot
add.category.relations(
r,
cat.rel = filter(get.category.relations(r, dim = dim), valid.correlation),
dim = c(1, 2),
mapping = aes(alpha = pem),
...
)
a soc.mca result object
a tibble with category relations like the one produced by get.category.relations
plotting dimensions
aesthetics passed on to geom_segment
further arguments are passed on to geom_segment