In ridge regression what happens to the expected value of the estimate if you perturb your data matrix?
Quantitative Research Associate Interview Questions
3,500 quantitative research associate interview questions shared by candidates
What is quantitative analysis?
implement two sum
Pi estimation using fair coins
Please describe your previous work experience
How many tennis balls are made in China each year?
Portfolio Optimization. No brain teasers. Some risk management related questions in the context of the resume. Some math and OR related questions. Vol related quesions.
Tell me about yourself (followed up with details about your projects) What happens if you initialize the weights of a neural network to zero? What happens to the estimators of linear regression if you double the dataset? What is ridge regression? How do you sample points uniformly from a circle? How do you sample points uniformly from a sphere? Leetcode medium DP problem (jump game)
Given the probability of coin head is p. What is the expected number to get three heads in a row?
1. You have two time series Xt and Yt. You do a regression of Y over X and get coefficient \beta, t-stats and R2. Now you double the size of the original series with original data and do the regression with new \beta, t-stats and R2. How will \beta, t-stats and R2 change? 2. given an array of size n, find the fastest way to find maximum and minimum element.
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