convert all columns to numeric

Source: R/char_to_numeric.R

defaults to convert all character columns except named 'C' to numeric useful for nonmem ready datasets with `.` for missing values

char_to_numeric(df, exclude_cols = "C")

Arguments

df

dataframe to convert character columns to numeric
exclude_cols

vector of column names to be skipped from conversion

Value

dataframe

Examples

nm_dat <- data.frame(C = c('.', '.'), DV = c("1", "2"), stringsAsFactors = FALSE)
char_to_numeric(nm_dat)
#> Columns Converted to Numeric: 
#> DV
#>   C DV
#> 1 .  1
#> 2 .  2
   # if 'C' col is 0/1 rather than typical 'C' or '.'
char_to_numeric(nm_dat, exclude_cols = NULL)
#> Columns Converted to Numeric: 
#> C, DV
#>    C DV
#> 1 NA  1
#> 2 NA  2