What do you understand by clustering?


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More Data Science Interview Questions

What skills do I need to be a data scientist?

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What do you understand by type I vs type ii error?

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How is data science different from data analytics?

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What is meant by feature vectors?

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How would you create a taxonomy to identify key customer trends in unstructured data?

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How do you use sql in sas, python, r languages?

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Treating a categorical variable as a continuous variable would result in a better predictive model?

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

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What is an rdbms? Name some examples for rdbms? What is crud?

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Explain survivorship bias?

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Suppose that American Express has 1 million card members along with their transaction details. They also have 10,000 restaurants and 1000 food coupons. Suggest a method which can be used to pass the food coupons to users given that some users have already received the food coupons so far.

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How is data modeling different from database design?

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