FREE Data Science Analysis Question and Answers

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On a bank's website, information has been gathered about visitors' viewing patterns. Which method is employed to determine which pages are frequently viewed simultaneously on the website?

Correct! Wrong!

Explanation:
Association rules are merely descriptive; they give an overview of how the qualities relate to one another as shown by the examples in the existing data set.

What data science requirement is the most fundamental?

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Therefore, recommendations may only be made based on the tone and topic matter of the present article. The magazine's whole collection of articles is kept in a database in a manner that is suited for analytics. Which approach ought the data scientist to test out first?

Correct! Wrong!

Explanation:
Clustering is a type of unsupervised learning, denoted by the letter K. When they have a ton of unlabeled data, data scientists use it (any info without defined groups or categories.) K denotes that data for different groups are sought after by clustering.

What role does the Reduce function play in the MapReduce framework?

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The task of creating a model from a reporting data warehouse is given to a data scientist. The warehouse houses data that has been processed through a difficult, multi-stage ETL process using data gathered from numerous sources. What should the data scientist be worried about in terms of the data?

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When would a Wilcoxson Rank Sum test be appropriate?

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When you send a MapReduce task to a Hadoop cluster, you discover that even though it was sent successfully, the job has not yet been finished. What ought you to do?

Correct! Wrong!

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