conditionally replacing cell contents based on another - Cacher Snippet

7/23/2018 - 11:01 PM

conditionally replacing cell contents based on another

https://stackoverflow.com/questions/8214303/conditional-replacement-of-values-in-a-data-frame

conditional replace

df$est[df$b == 0] <- (df$a[df$b == 0] - 5)/2.533 

duplicate_form_subset$Disease_All_Sites[duplicate_form_subset$flag == "Keep & fix"] <- paste0(duplicate_form_subset$Disease_Site[duplicate_form_subset$flag == "Keep & fix"])