CS578/STAT590: Introduction to Machine Learning Fall 2014 Problem Set 1 Joon Hee Choi Handed In: 09/14/2014 Review Questions 1. 2. 3. • ∂f ∂x = 6x − y − 11‚ ∂f ∂y • ∂f ∂x = 6x − y − 11 = 0‚ = 2y − x ∂f ∂y = 2y − x = 0 ⇒ x = 2‚ y = 1 ⇒ (x‚ y) = (2‚ 1) • (a) n = 2 w1 x1 and x = . Then‚ w2 x2 wT x + b = w1 x1 + w2 x2 + b = 0 ⇒ −x1b + Let w = w1 x2 − wb =1 2 (b) n = 3 w1 x1 Let w = w2 and x = x2 . Then‚ w3 x3 T w x + b = w1 x1 + w2 x2 + w3 x3 + b = 0 ⇒ −x1b + −x2b
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Question 1: What are the major skills Jovita Carranza has demonstrated in her career at UPS that have made her a successful leader? The following steps Carranza took was how she displayed truthfulness‚ honesty‚ and candor in all of her actions. The characteristics of a leader like Ms. Jovita Carranza came through in her daily actions with those encircled by her personal and professional life experiences. Leaders come in all forms of varieties‚ genders‚ ethnicity and descriptors like Carranza
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PROBLEM SET 4 1) Consider the following utility functions‚ where W is wealth: (a) U (W ) = W 2 1 (b) U (W ) = W (c) U (W ) = −W (d) U (W ) = W (e) U (W ) = ln(W ) (f) U (W ) = W 1−γ ‚ with γ = 2 1−γ How likely are each of these functions to represent actual investor preferences? Why? 2) Suppose investors have preference described by the following utility function with A > 0: U = E(r) − 1 Aσ 2 2 Each investor has to choose between three portfolios with the following characteristics:
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You are a manager at Winsome Manufacturing Company‚ a company that produces plastic storage containers and sells them to the home consumer through home sales events. At the company’s quarterly meeting‚ the head of marketing described a new product to be introduced in the first quarter of the next fiscal year‚ approximately nine months from now. The product will be a room-sized plastic storage unit suitable to the outside of the home; it is similar to a competitor’s product but will have significantly
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The automotive industry has grown in the United States from 4192 automobiles on the road in 1900 to 204 million in 2003. In an effort to regain brand loyalty Ford has embarked on an ambitious automotive development process known as flexible manufacturing. In the post 9/11 economy Ford has witnessed five billion dollars in losses per quarter. The company is swimming in debt after their partnership with Mazda and Jaguar and can not afford to lose pace with their competitors. Many Ford plants in
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Problem Set 1 Complete all questions listed below. Clearly label your answers. 1. The receipts and year of release of the five movies with the largest nominal box office revenues‚ along with the CPI data of each year are presented below. Assuming that the receipts for each of the movies were derived during their year of release‚ convert the receipts for each to real dollars for the year 2010 (2010 CPI 230.1). Put the movies in order from largest to smallest real box office receipts and show
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Riordan Manufacturing‚ Inc. Business Analysis Learning Team B BSA 500 University of Phoenix Instructor: Charlotte Bonner October 6‚ 2008 * Riordan Manufacturing‚ Inc. Business Analysis * ****INTRO GOES HERE – DANA WILL WRITE IT AS WE NEAR COMPLETION History of Riordan Riordan Manufacturing Inc. is a leading global manufacturer of plastic injection molding components. Some of the components that it manufactures include: plastic bottles
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Riordan Manufacturing is a global plastics manufacturer that employs 550 people. It is a wholly owned subsidiary of Riordan Manufacturing Industries which has earnings of more than $1 billion. The company is headquartered in San Jose‚ California‚ and has facilities worldwide. The mission of Riordan Manufacturing is to ensure that it remains an industry leader in the plastic manufacturing business and provides solutions to the existing customer base while expanding. The company will achieve this
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PROBLEM SET 4 Name: ______________________________________________ Problem Set 4 is to be completed by 11:59 p.m. (ET) on Friday of Module/Week 8. 1. Movies are distributed in a variety of forms‚ not just first run theatrical presentations. What other ways are movies distributed? What are the different price points? Using this information‚ draw a fully labeled graph of the market for movies in which the distributor of the film price discriminates. (NOTE: This should not be perfect price
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Part 1 Riordan Manufacturing has put in a service request SR-rm-022 for the HR system to be analyzed. Hugh McCauley‚ who is Riordan Manufacturing’s COO (Chief Operating Officer)‚ submitted the service request for all plant locations to integrate existing variety of HR tools into a single integrated application. Riordan wants to take advantage of a more sophisticated‚ state-of-the art‚ information systems technology in our Human Resources department. The expected results of this service request
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