Hi, I have this simple data frame:
source <- data.frame(
stringsAsFactors = FALSE,
URN = c("aa", "bb", "cc", "dd", "ee"),
Model = c("aaa", "bbb", "ccc", "ddd", "eee"),
FamilyName = c(NA, "bbbb", NA, "dddd", "eeee")
)
Is it possible to copy values from 'Model' to 'FamilyName' if 'FamilyName' is blank?