How to convert character columns with percentage symbols to numeric?

user_13874036 0
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I'd like to convert the character columns with the percentage symbols to plain numeric columns.

Example data

tribble(~`Very little`,  ~Somewhat,   ~`A great deal`, 
          "12.4%",        "11.6%",    "42.1%",
          "1.8%",         "3.4%",     "10%",
          "4.4%",         "41.6%",    "4.2%",
          "1.2%",         "23.7%",    "5.5%"    
)

I was able to find this function with mutate: mutate_all(.tbl, .funs, ...)

But I am not sure how to use this.

dplyr r
1 Answers

You can mess about with some regex to remove the % if you want to but parse_number from readr will do it.

library(tidyverse)
df %>% mutate(across(everything(), parse_number))
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