added 3 characters in body Source Link Full edited Sep 15, 2017 at 6:19 piRSquared edited Sep 15, 2017 at 6:19 piRSquared 293.8k 64 503 643 Inline Side-by-side Side-by-side Markdown Here is a fun and creative way using numpy tools t = df[['T1', 'T2']].values a ...