What if you want to evaluate your model with respect to a system running on the client-side? How you are going to charge your client if your model is better than his system?
Data Science Interview Questions
40,319 data science interview questions shared by candidates
Take the integer 123 and convert it to 321. God forbid you use the most concise, correct solution, though. But hey, maybe I saved someone from this inane question since it's on full display on Glassdoor now.
The second question was trying to predict for 7 days. Follow up question was if u predict using the prediction u might accumulate errors.
Write a SQL query to count the number of unique users per day who logged in from both iPhone and web, where iPhone logs and web logs are in distinct relations.
How you will decide the number of clusters in k means?
How you will handle class imbalance problem? What are various approaches?
2) What is generally considered a trade-off in machine learning?
Tell me about the time you influenced someone
Difference between supervised and unsupervised machine learning ?
If you could only pick one metric to measure a game's success, what would it be?
Viewing 451 - 460 interview questions
See Interview Questions for Similar Jobs
Data EngineerData ScientistData Visualization Software EngineerManager Marketing AnalyticsData Visualization ConsultantData Visualization SpecialistManager AnalyticsInformation DesignerMachine Learning EngineerDirector DataData InternshipData AnalystHead Of AnalyticsDirector Of AnalyticsPredictive ModelerData Visualization DeveloperBig Data ConsultantMarketing Analytics Manager