View source: R/scoped-replace-with-na.R
replace_with_na_at | R Documentation |
Replace specified variables with NA where a certain condition is met
replace_with_na_at(data, .vars, condition)
data |
dataframe |
.vars |
A character string of variables to replace with NA values |
condition |
A condition required to be TRUE to set NA. Here, the condition
is specified with a formula, following the syntax: |
a dataframe
dat_ms <- tibble::tribble(~x, ~y, ~z, 1, "A", -100, 3, "N/A", -99, NA, NA, -98, -99, "E", -101, -98, "F", -1) dat_ms replace_with_na_at(data = dat_ms, .vars = "x", condition = ~.x == -99) replace_with_na_at(data = dat_ms, .vars = c("x","z"), condition = ~.x == -99) # replace using values in common_na_strings replace_with_na_at(data = dat_ms, .vars = c("x","z"), condition = ~.x %in% common_na_strings)
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