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Data Scientist Junior Interview Questions
1,122 data scientist junior interview questions shared by candidates
* How would you clean a dataset? * With what would you impute missing values in a numerical column
What is lambda function. Use of it and syntax .
Tell me about yourself ?
What is the loss function for LambdaRank?
What is diff between numpy and pandas
3 interview stages. First - competency based with some technical questions. Second - take home assignment of machine learning style problem. Presentation of solution, followed by technical questions. Third - interview with team lead, included technical and competency based questions.
-what is a random forest?
Welke evaluatiemetric zou je wel of juist niet inzetten in een extreem ongebalanceerde dataset met 99,9% reguliere transacties en 0,1% frauduleuze transacties?
2 strengths and 2 weaknesses about yourself?
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