Job Interview Experience For The Role Of Data Scientist at LatentView Analytics
1. Difference between WHERE and HAVING in SQL
2. Basics of Logistics Regression
3. How do you treat outliers ?
4. Explain confusion matrix ?
5. Explain PCA (Wanted me to explain the co-variance matrix and eigen vectors and values and the mathematical expression and mathematical derivation for co-variance matrix)
6. How do you cut a cake into 8 equal parts using only 3 straight cuts ?
7. Explain kmeans clustering
8. How is KNN different from k-means clustering?
9. What would be your strategy to handle a situation indicating an imbalanced dataset?
10. Stock market prediction: You would like to predict whether or not a certain company will declare bankruptcy within the next 7 days (by training on data of similar companies that had previously been at risk of bankruptcy). Would you treat this as a classification or a regression problem?
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