使用 mutate 将 tibble 中的 NaN 替换为 NA

Question

Convert NaN to NA in tibble using mutate

tbl = tibble(x = c(NaN, NaN, 2, 3, 4, NA, NA, NaN, 5))

Answer 1

This will change all NaN s to NA in all numeric columns.

tbl %>% mutate(across(where(is.numeric), \(x) ifelse(is.nan(x), NA, x)))
# # A tibble: 9 × 1
#       x
#   <dbl>
# 1    NA
# 2    NA
# 3     2
# 4     3
# 5     4
# 6    NA
# 7    NA
# 8    NA
# 9     5