Brain teasers and math questions
Member Technical Staff Interview Questions
4,081 member technical staff interview questions shared by candidates
ML Theory: Linear Regression, Random Forests, Boosting
Tell me about a recent research project you're working on.
Most interviewers were curious about results of my PhD thesis, so I spent a lot of time talking about this. Other than this, just general Machine Learning questions, some linear algebra questions too, and some simple algorithmic questions.
I was given a data analysis problem to solve.
In the interview they asked about multi-collinearity and an algorithm to determine the dominant eigenvector (corresponding to the largest eigenvalue).
Some (non-programming) puzzles. Questions about OLS and questions about sorting certain arrays.
- Machine Learning (both 1st and 2nd round): covered a several topics on statistical learning, including both theoretical and practical issues. - Statistics: mostly driven by solving a few practical problems, and touched many key statistical concepts and methods in the process. - Programming: covered data structure, complexity estimation, as well as writing code to solve an interesting puzzle. The code was run and tested. - Deep dive: asked about previous projects in details, and also solving a modeling problem. There were questions that the interviewer did not expect you to fully answer, but you were expected to have a meaningful discussion on how to solve the problem with the knowledge you have.
What are some of your short term goals?
Process A - 1,3,5,7,.. Process B - 2,4,6,8,.. How would you make the two processes work together to output 1,2,3,4,5,6,..
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