SQL is pretty basic, Python is focus on data manipulation and some concepts like recall, accuracy, precision.
Sr Data Scientist Interview Questions
3,382 sr data scientist interview questions shared by candidates
An easy SQL query involving a self-join, without a shared screen.
Describe the bias variance tradeoff.
Find missing values in pandas data frame. Assign a new column to the original data frame. Join two tables and get the top records.
Asked to explain about one of my projects that are relevant to their project
Questions on causal inference, counterfactual models, case study
They described the process to be of three rounds with a total 7 interviews. And they will not pay the top of the market for going through that. No thank you. It shows a lack of decision making capability which also manifest in the product.
What is bias vs. variance trade off
Tell me about yourself Which models did you use?
Not hard to prepare overall. Just need to prepare your previous experience, basic ML/stats, coding. However, their management is kind of messy. Due to their between-team movement, I joined two interview process but get the NO response from both team. (Because when I interview team A, they pull someone from Team B to fill the position instead. By the team I interview with Team B with the hc, the person moved back to Team B)
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