you ignore errors, so probably it doesn't convert the values to numeric and just return the input. check your data
also when you read from csv, you can supply
also when you read from csv, you can supply
dtype
argument so that you convert str from the file to proper data type
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs