Given data, how would you write a query to get an unique number of users?
Senior Scientist Interview Questions
5,838 senior scientist interview questions shared by candidates
Explain the transformer architecture and each of the components.
Make sure you can talk about your past projects in satisfactory ways.
how do you measure your model performance
Five people during "in-house": One algorithms/coding, breadth and depth ML (one each), one ML architecture (recommendation systems), one "leadership principles".
What is the difference between SVM and Random Forest?
Two behavioral questions and several predictive modeling questions. Supervised and unsupervised related to the project in their hand.
Q: If there are 10 million variables, how can you reduce the dimensions?
how would you go about imputing data
A project you worked on, feature selection, over-fitting of the model. What do you do when the features are correlated. What is the main difference between the F1 score and ROC-AUC? How do you decide between different models? What does MLE correspond to in Logistic Regression?
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