difference between precision and recall
Intern Data Scientist Interview Questions
3,779 intern data scientist interview questions shared by candidates
I believe that I shouldn't be sharing them according to their policy.
How does gradient descent work? (Don't need to be super detailed like going into the math, but just having a high level understanding would be enough.)
How do you join two tables by a common value in SQL?
There were mostly questions concerning SQL and product sense: some easy technical questions like 'What commend would you use to sort results in descending order?' and 'What types of joins are there?', as well as two not difficult coding problems where I had to join tables, filter out some rows, group filtered ones and order results; when it comes to product sense, that part was quite difficult: they asked what metrics would you use to find out if two users are friends in real life and how would you find out if some user has more real-life friends than not-real-life among his friends on facebook.
How are you good at data analysis
There were five typical STAR format questions
Analyze if daily active users of Jira went down.
Why do you want to work in Mars?
they asked me about my research
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