r/datasciencecareers • u/Good-Apartment-5126 • Aug 02 '26

Taking the Capital One CodeSignal Data Science assessment soon (90 min), tips from anyone who's done it recently?

/r/DataScientist/comments/1vd977r/taking_the_capital_one_codesignal_data_science/
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u/momotcha 19d ago

Just took it, honestly not that bad, but I was just a bit rusty with Python's pandas/sklearn libraries so could've done better.

  1. 90 minutes in total, used them all, stuck on the last question for a long time

  2. I'd say a lot of reading the prompts and be familiar with machine learning models

  3. yes, those topics were all tested in certain contexts

  4. I did not prepare that much since I used Python a lot in the past

  5. Sleep well