Explain one hot encoding and it's relevance to ML.
Quantitative Researcher Interview Questions
2,686 quantitative researcher interview questions shared by candidates
programming experience, basic probability questions
1 puzzle question 2 friends are to guess each other's cards drawn out from shuffled deck. Strategise so as to maximize minimum probability. 1 coding question There are n piles of stones in a row. the cost to merge 2 consecutive piles is the total coins in the 2 piles. Find the minimum cost of merging all the piles into 1.
First a probability question from brainstellar was asked. Secondly a dsa question , no coding just tell the algorithm. Thirdly OOPS , and pointers questions were asked. Constructors , desrructors . Temporal and spatial locality in caches. Memory leak , and dangling pointers.
if two univariate linear regression have a R^2 of 0.1, what is the maximum possible R^2 of the bivariate regression?
A particular 12-hour digital clock displays the hour and minute of a day. Unfortunately,whenever it is supposed to display the number 1, it mistakenly displays the number 9. Forexample, when it is 1:16 PM. the clock incorrectly shows 9:96 PM. If we randomly watchthis clock for the whole day, what's the probability that the clock shows the correct time?
How to find the magic feature in data science research?
Questions about news strategy and characteristics of news data. Math questions about inequality.
PCA basic concepts and some follow up questions
mostly about statistics and time series analysis. Also had one very mathsy question.
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