Exam 11: Data Mining and Data Visualization

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Which of the following is a limitation of data mining?

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A

A synonym for data mining is information sifting and discovery (ISD).

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MOLAP provides support for concurrent users.

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Data mining is a business solution, not a technology.

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In _____________, the multidimensional database server is replaced with a large relational database server. This "super" relational database will contain both detailed and summarized data thus allowing for "drill down" techniques to be applied to the data sets.

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Which of the following is a reason for the growth in popularity of data mining?

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Sparcity can significantly increase the storage requirements of a MOLAP hypercube by requiring that space be allocated for all cells rather than just the ones that contain data values.

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One of the primary reasons for the rise in data mining popularity is the ever-increasing volume of data that require processing.

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ROLAP databases typically contain both summary and detail data.

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There are some cases where it is difficult or impossible to define the parameters of a class of data to be analyzed. In these cases, _____________ methods can be used to create partitions so that all members of each set are similar according to some metric or set of metrics thus creating a set of objects grouped together by virtue of their similarity or proximity to each other.

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The sequencing approach to data mining relates events in time, based on a series of preceding events.

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The ROLAP structure contains a large number of normalized tables.

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One of the primary advantages of ROLAP versus MOLAP is it results in performance improvements for data access.

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The set of activities used to find new, hidden, or unexpected patterns in data is referred to as:

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What are Codd's twelve rules for OLAP?

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Which of the following is not an advantage of market basket analysis?

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An orderly hierarchy of items and item categories that divides each item into a basket analysis is referred to as a:

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Data mining does not use statistical techniques because the complex patterns in data do not lend themselves to linear regression analysis.

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A common example of the use of association methods where a retailer can mine the data generated by a point-of-sale system, such as the price scanner you are familiar with at the grocery store is referred to as:

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Two new categories of data mining are text mining and Web mining.

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