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Data Science Interview Questions
10,348 data science interview questions shared by candidates
What's the major difference between classification and clustering
Given a sorted array and a number (value), find If a pair of numbers exists in the array whose sum is equal to value. (2 pointer problem) [Expected answer with linear order of growth]
questions are raised only from resume
tell me about your self, why this job, and some technical questions.
Technical interviews consisted of basic SQL and Python, along with some statistics knowledge. Behavioral interviewers asked about my past experiences and standard questions such as "Tell me about a time you had to communicate with a nontechnical audience."
How to handle categorical data and missing values?
1. Name SQL joins? 2. What is simple moving average? 3. Differentiate between ddl and dml commands in SQL?
Why do you want this job?
How would evaluate model performance when you have an imbalanced data set?
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