How do you calculate linear regression (i.e., what function is optimized/minimized to create a linear regression model)?
Data Scientist Interview Questions
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Asked about the projects I have worked on along with the underlying concepts.
Working of Random Forest,gradient boosting
Case study
How can you reduce overfitting of a random forest model?
Technical depth in deep learning and machine learning. Thorough understanding of my relevant work experience in machine learning and data science.
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?
Q. Change the sigmoid function so that it is more narrow?
What do you think one challenge Heetch is facing currently, and how do you plan to solve it?
Explain the projects done in the previous company
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