The costly mistake so many make with numpy and pandas

URL: https://open.substack.com/pub/bitecode/p/the-costly-mistake-so-many-makes?r=1slq0e&utm_medium=ios&utm_campaign=post
Type: article
Domain: open.substack.com

Excerpt: What happens next() will shock you

Notes:
Really good performance tips for python, pandas and numpy.