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Un-Answered Questions { Data Science }

Can you define a/b testing?

318


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

307


Can you explain interpolation and extrapolation?

329


Can you explain difference between data modeling and database design?

361


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

343


Explain how can you assess a good logistic model?

323


Define cluster sampling?

335


Explain data munging?

385


Explain root cause analysis?

364


How is true positive rate and recall related?

289


Explain the differences between bivariate and multivariate analysis?

354


Explain interpolation and extrapolation?

326


Explain data wrangling?

349


Define a/b testing?

381


Explain unsupervised learning?

311