Pearson eText for Modern Database Management -- Instant Access (Pearson+)
Pearson eText for Modern Database Management -- Instant Access (Pearson+)
13th Edition
ISBN: 9780137305940
Author: Jeffrey Hoffer, Ramesh Venkataraman
Publisher: PEARSON+
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Chapter 11, Problem 11.1RQ
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a. Definition of data mining.

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Data mining is the process of gaining insights (knowledge discovery) from huge data sources using sophisticated mixture of techniques from the field of artificial intelligence, traditional statistics and computer graphics.

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b. Definition of online analytical processing.

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Online analytical processingor OLAP refersto providing users with multidimensional views of data accessed by themwith the help ofvarious graphical tools.Using OLAPuserscananalyse the data with the help of simple windowing techniques.

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c. Definition of business intelligence.

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Business intelligence is the set of methodologies, architectures, processed and technologies that generate meaning insights from raw data.

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d. Definition of predictive analytics.

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Predictive analytics is method of making predictions about what might occur in future by means of using computational and statistical methods on data related to current and past events.

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e. Definition of Apache spark.

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Apache Spark is an open source infrastructural tool for analytics. It is an open source analytics environment useful for big and highly heterogenous data sets to provide capabilities from analytics to the maintenance of widley distributed storage system.

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Brand managers know that increasing promotional budgets eventually result in diminishing returns. The first one million dollars typically results in a 26% increase in awareness, while the second million results in adding another 18% and the third million in a 5% increase. Andrews’s product Alan currently has an awareness level of 80% . While an important product for Andrews, Alan’s promotion budget will be reduced to one million dollars for the upcoming year. Assuming that Alan loses one-third of its awareness each year, what will Alan’s awareness level be next year? a) 79% b) 53% c) 74% d) 58%
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