Reference no: EM13947416
1. Differentiate between the following terms:
A. Independent data mart and dependant data mart
B. Fact table and dimension table
C. OLTP and OLAP
2. Differentiate between the following terms:
A. Validation data and test set data
B. Positive correlation and negative correlation
C. Control group and experimental group
3. For each of the following scenarios, state the type I and type II error. Also, decide whether a model that commits fewer type I or type II errors would be a best choice. Justify each answer.
A. A model for predicting if it will snow
B. A model for selecting customers likely to purchase a television
4. Section 8.1 describes two methods for categorical data conversion. Explain how you would use each method to convert the categorical attribute income range with possible values 10-20k, 20-30k, 30-40k, 40-50k, 90-100k to numeric equivalents which method is most appropriate? The two methods are Neural Networks and Sigmoid function.
5. The average number technique is sometimes used to explain the results of an unsupervised neural network clustering.
A. List the advantages and disadvantages of this approach
B. Do you see similarities between this explanation techniques and the K-Means algorithm?
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Find cost of equity using beta information in exhibit
: ITE Valuation – Excel Valuations Introduction Recall William's assumptions: “With the right financing and the right acquisitions, under ideal circumstances, ITE could achieve $6 million in sales in five years, and $14 million in 10 years, with a targ..
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Develop an expression for temperature distribution
: Develop an expression for the temperature distribu- tion T(r) in the sphere wall in terms of q2", Ts,1, r1,r2, and the thermal conductivity of the wall material k.
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Total portfolio is equally as risky as the market
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Requires research, analysis, and drawing conclusions
: This course requires research, analysis, and drawing conclusions on a firm operating in the international business environment. This paper will provide you an opportunity to explore the many strengths and weaknesses a firm encounters in the intern..
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Differentiate between validation data and test set data
: The average number technique is sometimes used to explain the results of an unsupervised neural network clustering.
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What do you think of the articles
: Please answer the following questions: What do you think of the articles? Be specific. Do you think it's possible to gender neutralize a child? Why or why not
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Credible tools used in tax research and planning
: Select two of what you believe to be the most credible tools used in tax research and planning. Assess each in terms of its strengths and weaknesses. Utilize other sources to support your comments.
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Design a thermal insulation system
: The boiling point and latent heat of vaporization of liquid oxygen are 90 K and 213 kJ/kg, respectively. The tank is to be installed in a large compartment whose temperature is to be maintained at 240 K. Design a thermal insulation system that wil..
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Transactions occurs in the primary market
: Which one of the following transactions occurs in the primary market?
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