Thank you very much, 'which' does the trick :-)-O greetings, el On 2021-10-25 19:06 , Rui Barradas wrote:
Hello, Here is a pipe to replace based on the composite condition. It uses ?base::replace with an integer index vector.
[...]
library(dplyr) data(coronavirus, package = "coronavirus") coronavirus %>%
[...]
mutate(cases = replace(cases, which(country == 'Namibia' & date == '2021-10-23' & cases == 357), NA) )
[...]
Hope this helps, Rui Barradas
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