MANAGEMENT INFORMATION SYSTEMS
15th Edition
ISBN: 9780134640037
Author: LAUDON
Publisher: PEARSON
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Chapter 6, Problem 8HMP
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Potential business impacts of data quality problems
- The main business impact is that managers and employees can’t make accurate and timely decisions about customer activity because of inaccurate and redundant data...
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Decisions and steps in order to reach a solution
- Managers, employees, and data administrators first need to identify and correct the faulty data and then establish better routines for editing data when it’s entered...
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(Short-answer) b. Continue from the previous question. Suppose part of the data you extracted from the data warehouse is the following. Identify the missing values you think exist in the dataset. Use Column letter and Row number to refer to each missing value in the dataset. Please write down how you want to address each particular missing value (you can group them if they receive same treatment). For imputation, you do not need to calculate the exact imputed values but just describe what kind of value you want to use to impute.
Please original work
Locate data warehousing solutions offered by IBM, Oracle, Microsoft, and Amazon
Compare and contrast the capabilities of each solution and provide several names of some organizations that utilize each of these solutions.
Please cite in text references and add weblinks
Need Help: Which of the following statements about confusion matrix is wrong
A) Confusion matrix is a performance measure for probability prediction techniques
B) Confusion matrix is derived based on classification rules with cut-off value 0.5
C) Confusion matrix is derived based on training partition to measure a model’s predictive performance
D) None of the above
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