Describe a predictive model I developed.. what was the purpose, how did you choose which model to use, how was it used?
Data Science Consulting Interview Questions
40,267 data science consulting interview questions shared by candidates
Regularization ?
How would you optimize a complex SQL query on a large dataset?
What is the significance of p value.
Richiesta documentazione da compilare che ho compilato in parte in quanto non era chiaro come compilare...
Describe a statistical model you are using in your work now? (Referencing the model) explain the difference between random and fixed effects -- and what do they control for?
Hai mai avuto esperienze di fine tuning?
SQL question which required CTE
Write a social network that runs in memory. There should be four functions. makePost(userID, postID) follow(followerID, followedID) unfollow(followerID, followedID) showFeed(userID) The show feed function should show the posts made by the user, the posts made by the people the user followed and they should be in chronological order.
Standard questions about how I tackle business and data problems etc. However, as a data scientist I noticed one potentially red flag: the company is new and fresh in their data science department (although they have a solid data engineering and reporting base), but they want to start straight with GenAI/LLM stuff (Chat-GPT and whatnot). For those unfamiliar: it is pretty much a guaranteed pitfall as people would be using super-complex tools with zero knowledge of their inner workings (think of learning to run before you can walk).
Viewing 761 - 770 interview questions