how would you go about imputing data
Senior Scientist Interview Questions
5,826 senior scientist interview questions shared by candidates
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?
Describe to me what up-sampling is in a convolutional neural network.
Why do you want to join Optum?
Showed Python code and asked to explain what it did, or correct errors
Answer the boy-girl problem.
how and why would i use Freedom To Roam Strategy. How would i do validity search online
Give examples of time series prediction algorithms,
Do you have an ethical concern or principle in cellular therapy applications?
How to grade a perfection of drawn circle?
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