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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Spreadsheet Evaluation To create an ICT solution to record and analyse costs for the Actors Associates business I chose Microsoft Excel because it presents the information in a clear way which is easy for the reader to understand. It also performs quick and easy calculations. Use of Formulae. In my excel spreadsheet‚ I used different formulae to perform calculations. Some of the formulae I used include addition and multiplication‚ which i believe are input correctly. I used replication to
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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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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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Lesson 11-Evaluation Assignments #1 In the article ‘Keep The Drinking Age At 21‚’ by Chicago Times‚ I believe that the authors main purpose was to express the dangers of lowering the drinking age to 18‚ and how that might affect society. The author says “Lowering the drinking age would transfer responsibility--and in some cases legal liability--from colleges and their presidents to the immature shoulders of 18-year-olds.” Even though the author is not quite clear on which position or side
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Other information: Setup costs vary with the number of batches processed in each department. The budgeted number of batches for each product line in each department is as follows: Trophies Plaques Forming department 40 116 Assembly department 43 103 Supervision costs vary with direct labor costs in each department. 1. Calculate the budgeted cost of trophies and plaques based on a single plant-wide overhead rate‚ if total overhead is allocated based
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TEST The precision‚ consistency‚ or repeat ability of questions or tests specifically refers to ACCOUNTABILITY Measurement TAKES PLACE WHEN SCORES ARE OBTAINED The word or phrase which best describes the relationship between test‚ measurment‚ and evaluation is VERY MUCH RELATED Which of the following provides performance indicators‚ assessment tasks‚ and rubrics for measuring student achievement PE METRICS Which of the following is not part of the Healthy People 2010 Initiative REFORMING HEALTH
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Bernardston‚ MA. Rebeca has a history of learning difficulties thought-out her academic career. According to Rebecca’s most recent evaluation; Rebecca has been diagnosed with a Specific Learning Disorder with Problems in Written Expression‚ including spelling‚ grammar and punctuation‚ anxiety and depression. She was referred for an assistive technology evaluation by MRCVC Kara Hutchinson to determine what tools and strategies are available to help Rebecca as she works toward her degree as a X-ray
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MICROSOFT MONOPOLY ANALYSIS By: Ron Thompson Instructor: Roy Prescott Date: 9/30/2010 ABSTRACT Report analysis based on informational article from Business Ethics textbook and CD related to material. My personal evaluations are provided in context to business ethics involved. HISTORY The definition of a monopoly market is‚ "the only seller in the market is a single firm‚ and new sellers are barred from entering." One of the first unethical behaviors Bill Gates did was involved when IBM
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An Evaluation on Working at McDonalds After reading this essay by Amitai Etzioni‚ I could see why he is promoting teenagers to pay more attention to their academics and education rather working at fast food restaurants like McDonalds. He provides many studies done to prove his thesis clearly. One of the few studies is a 1984 study by Ivan Charper and Bryan Shore Fraser which says that teenagers do not pay attention to what skills they develop because they only care about finishing their working
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