here is a reprex example (sorry it’s a bit long but needed to demonstrate the issue ) reprex<- structure(list(lanmark_id = c(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,… Read More Align X and Y coordinates of face landmarks in R