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Data Science Interview Questions › Tag: Data Science
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BOTH BEING TREE BASED ALGORITHM, HOW IS RANDOM FOREST DIFFERENT FROM GRADIENT BOOSTING ALGORITHM (GBM)?
MockInterview asked 5 years ago • 
35369 views2 answers0 votes
MNC Case study
Anam Fatima asked 2 years ago • 
565 views0 answers0 votes
What is relation between Bagging-Boosting and Bias-Variance?
MockInterview asked 5 years ago • 
1015 views2 answers0 votes
What is standard error? Explain with example.
Paras Doshi asked 4 years ago • 
1276 views1 answers0 votes
What is the difference between margin of error and confidence interval?
Paras Doshi asked 4 years ago • 
1264 views1 answers0 votes
[Facebook data engineer coding interview] remove duplicates from an array/list
Pythin asked 3 years ago • 
794 views1 answers0 votes
What is database index and why do we use it?
MockInterview asked 3 years ago • 
734 views1 answers0 votes
Coding Interview: Write a function that, given a string representing a sentence, returns the sentence with the words in the same order but the letter in each word reversed.
python asked 3 years ago • 
727 views1 answers0 votes
[Facebook SQL data science and data engineer] Evaluate the performance of ads campagins through fill rate
MockInterview asked 3 years ago • 
736 views1 answers0 votes
[SQL] use correlated subquery to find all employees whose salary is above average for their department
MockInterview asked 3 years ago • 
762 views2 answers0 votes
You're a data scientist at a prominent logistics company. Your team has estimated that on average the company experiences 0.1 equipment failures per day. What is the most suitable distribution that you could use to model equipment failures for 365 days?
MockInterview asked 3 years ago • 
2931 views1 answers0 votes
What does the term 'multiple testing' relate to?
MockInterview asked 3 years ago • 
632 views1 answers0 votes
[Amazon interview] what is the difference between random forest vs cart tree; XGBoost vs RF?
MockInterview asked 3 years ago • 
790 views0 answers0 votes
[Amazon interview] What is a p-value? What are its shortcomings?
MockInterview asked 3 years ago • 
809 views0 answers0 votes
[Amazon Interview] What are the first 3 things you do when given a (clean) dataset and why?
MockInterview asked 3 years ago • 
780 views0 answers0 votes
[Amazon Interview] What are your strengths and weaknesses as a data scientist?
MockInterview asked 3 years ago • 
705 views0 answers0 votes
value-for-money
ken asked 4 years ago • 
820 views0 answers1 votes
What is the difference between Supervised and Unsupervised machine learning models?
MockInterview asked 5 years ago • 
1185 views2 answers0 votes
Reverse engineer 'Home pricing' algorithm. (Think Zillow's Zestimate or Redfin's home estimate tools)
MockInterview asked 4 years ago • 
862 views0 answers0 votes
What's a probability distribution? Explain any 3 probability distribution?
Paras Doshi asked 4 years ago • 
877 views0 answers0 votes
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