Data Scientist Junior Interview Questions

22,594 data scientist junior interview questions shared by candidates

Codility: find maximum value on a column (something that in pandas would be super easy). Though, I wasn't allowed to use pandas; some coding test that required a priority queue to be solved; question was about a cleaning robot going around a 2D matrix always turning right, and try to tell what will be the covered cells by the robot. Tech screening: linear model, with categorical values, and missing values.
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Data Scientist

Interviewed at Toptal

3.8
Nov 18, 2021

Codility: find maximum value on a column (something that in pandas would be super easy). Though, I wasn't allowed to use pandas; some coding test that required a priority queue to be solved; question was about a cleaning robot going around a 2D matrix always turning right, and try to tell what will be the covered cells by the robot. Tech screening: linear model, with categorical values, and missing values.

Why BetterUp? Mainly behavioral interview questions . The recruiters did a great job of prepping me through process and before each interview. There were no real surprises in terms of what the interviewers were assessing.
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Behavioral Scientist

Interviewed at BetterUp

3.2
Sep 16, 2021

Why BetterUp? Mainly behavioral interview questions . The recruiters did a great job of prepping me through process and before each interview. There were no real surprises in terms of what the interviewers were assessing.

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