Dataset Doctor

Drop in a CSV and see the problems that quietly break machine-learning models, each with the evidence and a fix. Nothing leaves your browser.

Drop a CSV here

or choose a file. Drop two files at once to compare a training file with a test file.

Everything runs in your browser. The file is never uploaded anywhere.

What would a model predict?

Test file: noneAdd a test file

health score out of 100 (each issue takes points off)

How it's built, results and limits: How it works →