17 июн. 2022 г. · I have a problem with dplyr and case_when using !is.na. If I run this data<-data %>% mutate(tax=case_when(z13!=NA ~0 ,zone==1 & z13 %in% 2:5

21 дек. 2022 г. · The problem is the function is considering NA as “missense”. How can I tell this function to recognize NA as NA?

11 нояб. 2021 г. · In case_when all values which do not pass one of the given conditions will be set to an NA in the new column. I would like to keep them as they are.

13 нояб. 2020 г. · I am recoding a variable in R with the case_when function, changing only some of the values according to a set of rules.

25 февр. 2019 г. · case_when will execute all the LHS and RHS, then keep based on conditions. So your print statement is executed, one time by each a during the RHS evaluation.

9 июн. 2021 г. · I'm trying to create a new variable using mutate() based on conditions occurring in other variables (that may or may not exist).

27 мая 2020 г. · Hi, I have tried the code below to generate a new column based on my dataframe but the case_when is only generating the age.group column based ...

26 нояб. 2019 г. · I have a large number of variables that may contain zeros and NA's and I want to convert zeros to NA depending on certain conditions.

7 авг. 2021 г. · I am unsure how to get case_when to work by passing entire columns/vectors into it, instead of having to name each case.

6 сент. 2023 г. · I would like to fill a variable, period, based on the difference of two, changing, dates. Say my df looks like this: period is a factor that corresponds to a ...