Data Mining Abdullah Alshawdhabi Coleman University Simply stated data mining refers to extracting or mining knowledge from large amounts of it. The term is actually a misnomer. Remember that the mining of gold from rocks or sand is referred to as gold mining rather than rock or sand mining. Thus‚ data mining should have been more appropriately named “knowledge mining from data‚” which is unfortunately somewhat long. Knowledge mining‚ a shorter term‚ may not
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LECTURE 1 DATA TYPES Our interactions (inputs and outputs) of a program are treated in many languages as a stream of bytes. These bytes represent data that can be interpreted as representing values that we understand. Additionally‚ within a program we process this data that can be interpreted as representing values that we understand. Additionally‚ within a program we process this data in various way such as adding them up or sorting them. This data comes in different forms. Examples include: your
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significantly feasible. Background of the Study Transit fare collection technology has evolved from the manual – based systems in used before 1970 to automated systems with computer – based hardware and software. These major advancements in fare collection have been made possible through advances in the design of fare media‚ the use of micro-processors and software in fare collection equipment‚ and the development of sophisticated control and data communications systems. A more-recent innovation has been
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Q) What are Secondary Data? Secondary Data Secondary data is information gathered for purposes other than the completion of a research project. Data previously collected by someone else‚ possibly for some other purpose that can be used later for making decisions if found suitable for the purpose‚ other than the original one. Secondary data can be acquired from the internal records of the organization‚ their departments‚ subsidiaries or sister organizations and also from external sources‚ such
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Standard Deviation objective • Describe standard deviation and it’s importance in biostatistics. Measure of Dispersion • Indicates how widely the scores are dispersed around the central point (or mean.) -Standard deviation Standard Deviation. • The most commonly used method of dispersion in oral hygiene. • The larger the standard deviation‚ the wider the distribution curve. Standard Deviation • SD‚ ‚ (sigma) • Indicates how subjects differ from the average of the group/ the more they
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Case analysis-Harrington Collection Problem identification In 2008‚ Harrington Collection‚ a large manufacturer and retailer of U.S. high-end women’s apparel‚ was facing opportunities and challenges whether to launch of active-wear products to meet the market and customers’ needs. But according to the macroeconomic environment‚ the target market‚ competitors and its own financial condition‚ Harrington needed to take careful consideration and then make the best decision for their own
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ISLLC Standards Final Paper Grand Canyon University Education Administration Foundation and Framework EDA 534 2014 Standard: 2 An education leader promotes the success of every student by advocating‚ nurturing‚ and sustaining a school culture and instructional program conducive to student learning and staff professional growth. Knowledge Skills Enduring Understandings Essential Questions Administrators will know… Administrators will be able to … Administrators will understand
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Standard Deviation (continued) L.O.: To find the mean and standard deviation from a frequency table. The formula for the standard deviation of a set of data is [pic] Recap question A sample of 60 matchboxes gave the following results for the variable x (the number of matches in a box): [pic]. Calculate the mean and standard deviation for x. Introductory example for finding the mean and standard deviation for a table: The table shows the number of children living
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SAMPLE EMPLOYEE MEMORANDUM To: [specify distribution] From: [CEO or senior management official] Subject: Computer Software and U.S. Copyright Law Date: [insert] The purpose of this memorandum is to remind you of [name of organization]’s policy concerning the illegal copying and use of commercial software. Unlicensed duplication or unauthorized use of any software program is illegal and can expose you and the company to civil and criminal liability under the copyright law. To
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Mrs. Alexander‚ After a lengthy review process we are drawing close to the date where I will present my report to the committee. Before we get to that meeting I could appreciate some additional information to help you make your decision. What makes the Video Game Store the right choice? The store will provide sales of your company. This will serve a two-fold purpose for your employees and clients. First‚ it will enable your employees to have onsite access to video games. Second‚ it will
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