How do you estimate hit rates if they are sparse?
Data Science Summer Intern Interview Questions
3,790 data science summer intern interview questions shared by candidates
1. You throw a dart on a circular dartboard. What is the expected distance from its center? 2. What if the dartboard is in 3D? n-D? (here, they gave me the formula for volume of an n-D sphere) 3. n i.i.d. uniforms X_1, X_2, ..., X_n are drawn from [0,b] where b is unknown. Give an unbiased estimate of b given X_1, X_2, ...
What previous coding experiences do you have?
What is Big Data? Explain
The idea behind machine learning model. Why did you design that way and how did it work?
What are your expectations and are you willing to relocate?
1). What is one challenge that you overcame 2). Can you describe your journey
difference between lasso and ridge regression, difference between bagging and boosting, bias and variance trade off, PCA and its principle, central limit theorem.
Q. What is the problem in Correlation and what is causality?
How do you work with ambiguous assignments? (Assignments or tasks that do not have a clear instructions)
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