State some use cases where Hadoop MapReduce works well and where it does not.

120

Can you define data discretization?

79

What approach will you follow to develop the love,like, sad feature on Facebook?

152

How many people are using Facebook in California at 1.30 PM on Monday?

178

Define linear regression?

106

What is a univariate analysis?

103

How to work towards a random forest?

105

Explain the difference between overfitting and underfitting?

113

Discuss decision tree algorithm?

98

Explain how can you assess a good logistic model?

85

What are distance measures in R statistics?

137

What is the goal of A/B Testing?

132

Explain about the various time series forecasting technqiues.

111

How and by what methods data visualizations can be effectively used?

103

Can you cite some examples where a false positive is important than a false negative?

108