There is a building with 100 floors. You are given 2 identical eggs. How do you use 2 eggs to find the threshold floor, where the egg will definitely break from any floor above floor N, including floor N itself
Data Scientist Python Interview Questions
40,245 data scientist python interview questions shared by candidates
Determime fraction of active users messagong at least 5 people in a given day.
PLEASE DON'T TAKE THE PHONE SCREENING LIGHTLY! I did and got rejected. I was expecting SQL questions and in general talk about my resume but she asked me a question on product sense and I was completely unprepared for it. Creation of Facebook user groups has gone down by 20%, what will you do? sounds simple but I messed it up so badly. I was just blabbering anything in an unstructured way, I sounded so stupid and not even fit for a small company forget Facebook. The recruiter was nice and she did not say anything but I were to hear my own answer, I would reject myself on spot. I regret it so much wish I could have prepared for it. I hope someone sees this and it helps them. The SQL questions were easy and I did answer them correctly- what kind of joins to get only common rows, what the natural sorting order etc.
One technical one product analysis question.
How would you measure the “feed” success? (What KPIs)
When can we chat?
SQL question that involved window functions
Assumption of Linear Regression, etc.
Statistics - performance metrics, Why GBM, why not xgboost , Differences between GBM and xgboost Then bias, overfitting ,underfitting, Regularisation , Lasso regression( explain). ... Followed by extended questions
Describe your previous projects
Viewing 331 - 340 interview questions
See Interview Questions for Similar Jobs
Quant ResearcherMachine Learning QuantScientist, BioinformaticsData Science Summer InternResearch Scientist Machine LearningQuant ResearchQuantitative Researcher –Scientifique Machine LearningStage BioinformatiqueStage Di BioinformaticaData Scientist Machine LearningChercheur Scientifique Machine LearningBioinformaticaStage Analyse QuantitativeData ScientistBioinformaticienTrading Algoritmico Analitico QuantitativoQuantitative ModelingData Scientist Trainee