Data Scientists Interview Questions

54,345 data scientists interview questions shared by candidates

1. How to Predict Room Occupancy Based on Environmental Factors. 2. Wine quality using knn 3. vanishing gradient problem 4. Which of activation function can’t be used at output layer to classify an image ? 5. Is K-fold cross-validation linear in K, quadratic in K, cubic in K or exponential in K?
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Data Scientist

Interviewed at Fractal

4.1
Feb 28, 2021

1. How to Predict Room Occupancy Based on Environmental Factors. 2. Wine quality using knn 3. vanishing gradient problem 4. Which of activation function can’t be used at output layer to classify an image ? 5. Is K-fold cross-validation linear in K, quadratic in K, cubic in K or exponential in K?

Initial screening round with basics on machine learning like overfitting, design a system for the use case. current knowledge of various algorithms. Interview with researcher went on in deep theory of ML and DS/Algo question.
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Data Scientist

Interviewed at SAP

4.2
Sep 20, 2018

Initial screening round with basics on machine learning like overfitting, design a system for the use case. current knowledge of various algorithms. Interview with researcher went on in deep theory of ML and DS/Algo question.

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