R for Programmers Norman Matloff University of California‚ Davis c 2007-8‚ N. Matloff December 4‚ 2008 IMPORTANT NOTICE: This document is no longer being maintained. My book on R programming‚ The Art of R Programming‚ is due out in August 2011. You are welcome to use an early draft at http://heather.cs.ucdavis.edu/˜matloff/132/NSPpart.pdf; it was about 50% complete and contains bugs‚ but should be useful. Licensing: This work‚ dated December 4‚ 2008‚ is licensed under a Creative Commons Attribution-No
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how big of a tip they will get. Good service should simply be apart of the job regardless to the tip and the tip should be a show of merit for such good service provided. "The Consequences of ’Carnage as Entertainment’ " Too much of the events that has arisen out of violence has
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A Brief Introduction Network Programming and Encryption Rich Lundeen Introduction This paper is the report of an exercise in socket programming and encryption. The objectives of this project were as follows: ● ● ● ● To create two programs‚ a client and a server The server broadcasts its public key to all who connect A client attaches to the server and exchanges a session key using public key encryption A message is passed between the client and the server encrypted with a symmetric key
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Short-circuiting logical operators && and || OR (||) expressions – if the first evaluates as true‚ no need to evaluate the second operand AND (&&) expressions – if the first evaluates as false‚ no need to evaluate second operand C# also includes the & and | operators logical does not perform short-circuit evaluation NESTED-IF ELSE STATEMENT * Acceptable to write an if within an if * When block is completed‚ all remaining conditional expressions are skipped or bypassed *
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Time Driven ABC costing is more superior to the traditional method in many different ways. Overall there are many negatives to the traditional system including its higher cost‚ low accuracy and is an extremely complicated system. The time driven ABC costing has many benefits including its lower cost‚ ease of implementation‚ higher accuracy and the larger scope of its models. Traditional ABC costing has been used for a very long time but with the introduction of modern computers it allows for Time
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Part Market-Driven Strategy 1 Chapter 1 Market-Driven Strategy The market and competitive challenges confronting executives around the world are complex and rapidly changing. Market and industry boundaries are often difficult to define because of the entry of new and unfamiliar forms of competition. Customers’ demands for superior value from the products they purchase are unprecedented‚ as they become yet more knowledgeable about products (goods and services) and more sophisticated
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The Benefits of Being Data-Driven: There are three primary benefits to making your HR organization data-driven: Expanded Awareness: As the amount of HR data within an organization has grown‚ so too has the need to glean better information from that data. Problems that HR organizations assumed were just part of “the cost of doing business” are now identified‚ acted on‚ and in many cases‚ prevented. HR business indicators that were previously only hinted at by virtue of an anomaly here or a trend
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PROBLEM NUMBER 1 A farmer can plant up to 8 acres of land with wheat and barley. He can earn $5‚000 for every acre he plants with wheat and $3‚000 for every acre he plants with barley. His use of a necessary pesticide is limited by federal regulations to 10 gallons for his entire 8 acres. Wheat requires 2 gallons of pesticide for every acre planted and barley requires just 1 gallon per acre. What is the maximum profit he can make? SOLUTION TO PROBLEM NUMBER 1 let x = the number of acres of wheat
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Programming Logic and Design‚ 6th Edition Chapter 5 Exercises 1. What is output by each of the pseudocode segments in Figure 5-22? Answer: |a. |5‚ 22‚ 5 | |b. |4‚ 6‚ 7 | |c. |5‚ 6 | |d. |Goodbye | | |Goodbye
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This assignment gave me the opportunity to computerize a manual membership system of Richard’s Tennis Club using various methods and techniques. The computerization of this system introduced several advantages but also created some limitations. The first report in task 1 had to contain a list of all the paid up members. To compile this list‚ the expiry date of each member was calculated depending upon the type of membership. Once the expiry date was set‚ this date was compared to the variable ‘today’
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