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Un-Answered Questions { Data Science }

Can you define a/b testing?

365


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

357


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?

386


Explain how can you assess a good logistic model?

361


Define cluster sampling?

379


Explain data munging?

439


Explain root cause analysis?

407


How is true positive rate and recall related?

340


Explain the differences between bivariate and multivariate analysis?

392


Explain interpolation and extrapolation?

369


Explain data wrangling?

379


Define a/b testing?

441


Explain unsupervised learning?

345