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Un-Answered Questions { Data Science }

Can you define a/b testing?

329


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

308


Can you explain interpolation and extrapolation?

338


Can you explain difference between data modeling and database design?

364


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

351


Explain how can you assess a good logistic model?

323


Define cluster sampling?

339


Explain data munging?

387


Explain root cause analysis?

366


How is true positive rate and recall related?

289


Explain the differences between bivariate and multivariate analysis?

360


Explain interpolation and extrapolation?

330


Explain data wrangling?

349


Define a/b testing?

386


Explain unsupervised learning?

311