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Quant Interview Questions
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NDA so can't tell you.
Why does L1 regularisation make the parameters 0, but L2 makes them close to 0.
Coding and stats problems I had to solve.
Unit test in programming
1. write a algorithm to invert a matrix 2. how to use Venmo data to make money 3. what are the estimators for beta1 and beta0 in simple linear regression model 4. what is the most difficult course you've taken 5. why trading?
two technical question. do not over thinking, try to do it as simple as you could. Also ask programming question. It should be easy for CS students.
I did not get the last behavioral question in the mathematical way rather than the behavioral way, and HR kindly repeat the question for like two times. 1. 5.9 2. (n(n+1)/2)^3 3. 2 (the area under x^x from 1 to 2 geometrically) Ask if you have any questions for them at the end, recommend prepare some questions.
Do you know what an ARMA model is?
Can't remember exactly but 3 technical mathematical/technical questions. Mostly about modelling.
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