Also
data['DOW'] = data['date'].dt.strftime('%A')or
data['DOW'] = data['date'].dt.day_name()where
date
columns is already converted to datetime
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