Q: Describe linear regression and where have you used it in your work or projects? what is R squared value?
Data Scientist Manager Interview Questions
40,249 data scientist manager interview questions shared by candidates
Mostly case based questions intended to see my ability to reason through the problems the team was facing at the time of my interview. Also some more technical coding questions.
Statistical theory, case question
What would be your approach to check if the overall acceptance rate has decreased from 60% in may'17 to 30% in sep'17
Q1. SQL Given tables: employees(id, unixname,team,role,days_since_started) projects(id,name,....) commits(id,file_path,proj_id,auth_id,timestamp) Find the number of unique employees per project per month? Q2. Imagine you have a CSV file: john_doe,android,ios,infra bob_law,is,backend jane_doe,frontend ------------------------------ Containing,for each employee, a list of projects he/she works on Write a script/function/else that reads data from CSV file and creates a data structure that stores, for each project, a list of employees who work on it.
It's a phone interview about technical question. About how to generate all possible friendship given four tables with the "request", "accept","reject", and "remove" information.
How many dentist are there in the US?
Given a database of posts and a database of comments on those posts, how do you determine how many conversations are happening in the comments per post on average.
The three data structure questions are: 1. the difference between linked list and array; 2. the difference between stack and queue; 3. describe hash table.
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
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