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Solution Manual For Predictive Analytics for Business Strategy , 1st Edition

Struggling with textbook problems? Solution Manual For Predictive Analytics for Business Strategy, 1st Edition offers a clear breakdown of every exercise for easy understanding.

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1Chapter 1:The Roles of Data and Predictive Analyticsin BusinessAnswers toQuestions andProblems1.a.Structured.The unit of observation is an individual, and for each one, we canidentify their: name, age, height, and location clearly.b.Unstructured.There are clearly separate pieces of information being collected(texts, dates, prices) but there isn’t a clear way to assemble them into distinct unitsof observation.c.Structured.The unit of observation is some sort of rectangular object (it need nothave an explicit label for it to be well defined), and the even columns provideinformation on color, length, weight, and width for each one.d.Unstructured.There are clearly separate pieces of information (time, price, sales)but no clear way to assemble them into distinct units of observation.2.a.The unitof observation is a store-year.Note that it may be tempting to claim theunit of observation is a store-person-year, since there is also variation inmanagers. However, as the data are presented, knowing the year and storeautomatically implies the manager; therefore, the unit of observation is a store-year only.These are panel data.b.The unitof observation is a month. These are time series data.c.The unit of observation is a person-year. These data are a pooled cross-section.d.The unit of observation is a factory. These arecross-sectional data.3.a.Query.This may seem like pattern discovery, but there needs to be somethreshold that qualifies this as a pattern.b.Query.This is simply a request for information for the dataset.c.Causal inference.This describes the causal effect of advertising on sales.d.Pattern discovery. This is a form ofoutlier detection.e.Pattern discovery. This is a form of association analysis.

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Predictive Analytics For Business S...

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