Data Mining Nabeel Ahmed University of Northern Virginia Abstract ‘The vein of research data is almost always richer than it appears to be on the surface, but it can only be of value if mined.—Morris Rosenberg’ (AGOSTA, 2000) Recent years, Data Mining has become hot topic of enterprises. More and more companies intend to introduce data mining techniques. One report from the United States treats data mining as one of the ten favorable fields in the 21st century, of which by means shows its
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MULTIPLE CHOICE (CHAPTER 4) 1. Using a sample of 100 consumers, a double-log regression model was used to estimate demand for gasoline. Standard errors of the coefficients appear in the parentheses below the coefficients. Ln Q = 2.45 -0.67 Ln P + . 45 Ln Y - .34 Ln Pcars (.20) (.10) (.25) Where Q is gallons demanded, P is price per gallon, Y is disposable income, and Pcars is a price index for cars. Based on this information, which is NOT
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Standardized Testing Defining an individual’s ability and a school’s worth because of standardized testing is nonsensical and erroneous. However, this is what goes on every year nation wide since the No Child Left Behind Act was signed into law in 2001. The data has come in and it can be clearly read that standardized tests do not work. These tests are holding some children back and have let the United States slip behind in education compared to the rest of the world. The biggest counter argument
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problems of concern. Research allows you to pursue your interests, to learn something new, to hone your problem-solving skills and to challenge yourself in new ways. Research is important in our society too. It is used to show and prove that correlation is not causation meaning that even if two events
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Autism is commonly heard about but do people really know what it is? Autism is a series of developmental disorders that is generally diagnosed at a young age. Every now and then it is challenging to distinguish if someone is autistic. Many children with autistic behaviors do not have as much brain control as a person without autism. The disorder is not rare and more people should be acquainted with the term “Autism.” Researchers have been exploring for the past century to find if Autism has a type
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of the interval between individuals with the conceptual variable. The findings of this study are also in line with the premises of several theoretical frameworks that suggest a reversed linkage between climate and bullying, rather than a linear causation (Giorgi and Majer, 2009). The interval scale was used as “yes or no” questions were asked with no zero point. Conceptual and measurable variables were used
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Does Saving really matter for Growth in Developing Countries? The Case of a Small Open Economy Olajide S. Oladipo, PhD Department of Economics and Finance School of Business, Medgar Evers College 1637 Bedford Avenue, Brooklyn, NY 11225 Email: ooladipo@ mec.cuny.edu Abstract The study employed the Toda and Yamamoto (1995) and Dolado and Lutkepohl (1996) – TYDL- methodology to uncover the direction of causal relationship between savings and economic growth in Nigeria between 1970 and 2006. The
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MULTIPLE CHOICE (CHAPTER 4) 1. Using a sample of 100 consumers, a double-log regression model was used to estimate demand for gasoline. Standard errors of the coefficients appear in the parentheses below the coefficients. Ln Q = 2.45 -0.67 Ln P + . 45 Ln Y - .34 Ln Pcars (.20) (.10) (.25) Where Q is gallons demanded, P is price per gallon, Y is disposable income, and Pcars is a price index for cars. Based on this information, which is NOT
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asked and the data collected, the statistics can skew reality. For example, it is true that as ice cream sales increase, accidents at swimming pools increase. Does this mean that the more ice cream that is sold, the more accidents it causes (correlation/causation)? Of course not, but the data, if not interpreted correctly, could lead to false conclusions. It just so happens that both are correlated to a rise in temperature in the summertime. The hotter it is outside, the more kids flock to swimming
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You are the marketing director of Propecia, a new drug for hair restoration that's about to hit the market. But the drug can only be purchased via a physician's prescription. So do you advertise directly to balding men? Do you concentrate on targeting physicians? How about attempting to influence the wives or barbers of balding men? All these issues and more faced Tom Casola, who in 1997 was heading the Propecia marketing effort for the drug maker Merck & Co. The case was discussed by audience
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