Un-Answered Questions { Data Science }

Can you define a/b testing?

82


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

88


Can you explain interpolation and extrapolation?

106


Can you explain difference between data modeling and database design?

114


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

109


Explain how can you assess a good logistic model?

83


Define cluster sampling?

80


Explain data munging?

95


Explain root cause analysis?

90


How is true positive rate and recall related?

76


Explain the differences between bivariate and multivariate analysis?

106


Explain interpolation and extrapolation?

90


Explain data wrangling?

100


Define a/b testing?

85


Explain unsupervised learning?

87