This is a translation of the SQL command NULLIF. It is useful if you want to convert an annoying value to NA.

na_if: Convert values to NA. Description. This is a translation of the SQL command NULLIF . It is useful if you want to convert an annoying value to NA .

10 февр. 2023 г. · na_if is intended to replace a value of one type with a different value of that same type. You're trying to replace (part or all of) a data frame with a string. Use na_if function in R with negative condition - Stack Overflow How to replace certain strings with NA, na_if, if_else, regex Using `mutate_at` and `na_if` together to replace zeros with NA ... How to code values across the whole dataset as NA Другие результаты с сайта stackoverflow.com

17 нояб. 2023 г. · Description. This is a translation of the SQL command NULLIF . It is useful if you want to convert an annoying value to NA .

na_if: Replace certain values with NA. Description: There are following options for value: Usage: na_if(x, value) na_if(x) <- value x %na_if% value.

A vector value : Values to replace with missing values. Returns: An array of values. In [2]: Copied! na_if(range(5), list(range(4,-1,-1)))

29 февр. 2024 г. · The “na_if” Function in R · Purpose: To replace specific values with missing values (NA). · General Class: Data Manipulation · Required Argument ...

25 апр. 2023 г. · I'd like to apply na_if() across multiple specific columns in one go. What steps have you already taken to find an answer?

It is useful if you want to convert annoying values to NA . Unlike dplyr::na_if() , this function allows you to specify multiple values to be replaced with NA ...

24 апр. 2023 г. · I have to deal with multiple factors with different levels but sharing a common NA level. I think this use case still works though.