In k-means or knn, we use euclidean distance to calculate the distance between nearest neighbors. Why not manhattan distance?

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Will Uber cause city congestion?

0 Answers   Uber,

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What is the difference between a cluster and systematic sampling?

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What are the applications of data science?

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Case Study based questions - Cars are implanted with speed tracker so that the insurance companies can track about our driving state. Based on this new scheme what kind of business questions can be answered?

0 Answers   Mu Sigma,

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You are given a training dataset of users that contain their demographic details, the pages on Facebook they have liked so far and results of psychology test based on their personality i.e. their openness to like FB pages or not. How will you predict the age, gender and other demographics of unseen data?

0 Answers   American Express,

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On rolling a dice if you get $1 per dot on the upturned face,what are your expected earnings from rolling a dice?

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

0 Answers   WalMart,

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How do you check for data quality?

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How would you add value to the company through your projects?

0 Answers   Mu Sigma,

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List the variants of backpropagation?

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Explain data munging?

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