mutlusun
mutlusun
/ char_to_number.R
Created
November 16, 2020 08:28
Convert a character vector to a numeric or integer vector in R. This function converts "," to "." to take "," as a decimal separator into account. In addition, a warning is printed showing non-convertable characters.
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| char_to_number <- function(x) { | |
| # replace , with point | |
| ret <- gsub(",", ".", x, fixed = TRUE) | |
| # check for values that cannot be converted | |
| na_start <- is.na(ret) | |
| na_conversion <- is.na(suppressWarnings(as.numeric(ret))) | |
| na_conversion <- na_conversion & !na_start | |
| if (any(na_conversion)) { |