How to build a dictionary in such a way that it'd be efficient to search for all valid words which are permutations of a given string?
Data Scientist Intern Interview Questions
54,195 data scientist intern interview questions shared by candidates
Q. Tell me about a time when you were short on deadline and how did you handle it? Q. Write a Python code to return the count of words in a string Q. What is cross validation Q. Tell me about your favorite algorithm
If you were the one interviewing, what type of person would you look for, for this role?
given a table massenger_sends, date | ts | sender_id | receiver_id| message_id | has_reaction Q1) how many unique conversation threads are there ? note that there are threads that sender_id and receiver is inverse. this should be one thread
What is probability of getting one pair of card from 52 deck of cards? How would you improve work hours?
You are in a game show, where there is a million dollars behind one of three doors. You choose the left most door, but the game show host tell you that the middle door does not have the money. You are given the opportunity to remain with your original answer, or choose the right door. Which do you pick?
How do you design a pipeline (to a distant village)? Main factors u take care? u would go for laminar or turbulent flow
Mapreduce questions
How would you explain a confidence interval to a non-technical audience?
How many high schools that people have listed on their profiles are real? How do we find out, and deploy at scale, a way of finding invalid schools?
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