Q: Mostly about ML algorithm and their basic maths
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They asked some SQL queries on some data provided.
There was a coding round which was fairly easy. Two questions were asked one is of programming and other one is from SQL. thirty minutes of time was provided to solve both questions
1) Talk about yourself 2) Why you wanna work in Paypal 3) Best achievement
1st round: tech+senior analyst, on some python and spark codes, project experience and how to do abnormality check, etc., 2nd round: manager, deep dive on my past experience 3rd round: US managing director, some high-level insights in the current industry, and opinions on the latest algorithms
Something about the team project
What is overfitting. How to identify it.
Write the linear regression for a Fibonacci sequence Asked questions about data models
git command, SQL, python list
if you have a large dataset, do you try your best to process it on SQL and then go to python to do further tasks or do you do very few transformations using SQL and go to python to do most work?
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