10 Feb 2021
Merge 2 vectors: if y null populates with z
require(dplyr) y <- c(1, 2, NA, NA, 5) z <- c(NA, NA, 3, 4, 5) coalesce(y, z) # [1] 1 2 3 4 5 y <- c(1, 2, 7, NA, 5) z <- c(NA, NA, 3, 4, 5) coalesce(y, z) # [1] 1 2 7 4 5
R
function
dplyr