Explain how to define the number of clusters in a clustering algorithm?


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What are various steps involved in an analytics project?

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Define a/b testing?

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Differentiate between univariate, bivariate and multivariate analysis?

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Why data cleaning plays a vital role in the analysis?

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How to work towards a random forest?

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What is the difference between skewed and uniform distribution?

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

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