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Un-Answered Questions { Data Science }

Can you define a/b testing?

361


What cross validation technique would you use on time series data set? Is it k-fold or loocv?

352


Can you explain interpolation and extrapolation?

381


Can you explain difference between data modeling and database design?

407


Explain while working on a data set, how do you select important variables?

384


Explain how can you assess a good logistic model?

359


Define cluster sampling?

375


Explain data munging?

434


Explain root cause analysis?

404


How is true positive rate and recall related?

338


Explain the differences between bivariate and multivariate analysis?

389


Explain interpolation and extrapolation?

369


Explain data wrangling?

378


Define a/b testing?

437


Explain unsupervised learning?

344