Round 1: The questions were SQL join conceptual and small implementation question followed by pandas questions to manipulate dataframe and calculate rolling average of lags.
Sr Data Scientist Interview Questions
3,368 sr data scientist interview questions shared by candidates
I received a take-home assignment.
What are the cases or dataset where k- means will give wrong clusters
How would you predict sales of a product (They need to buy tickets for certain travel agencies and over buying or underbuying will cause them loss)
Normal interview: business problem, classifier etc ... then he started with the obscure stuff such as pythons GIL and the f1beta score.
Bias Variance tradeoff Random forest Hyper-parameter tuning How to build Random forest pandas based python queries Linear regression assumptions Precision Vs Recall Cloud related Pandas group-by, average, sum queries entropy, info gain Random Search CV Bagging Boosting
Comparision of linear and non-linear models, evaluation metrics, high-level concepts on data mining algos.
What are anchors in the context of object detection, and why are they used?
SQL, machine learning related questions
Complejidad de distintos algoritmos de sorting.
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