IT433 Data Warehousing and Data Mining — Data Preprocessing — 1 Data Preprocessing • Why preprocess the data? • Descriptive data summarization • Data cleaning • Data integration and transformation • Data reduction • Discretization and concept hierarchy generation • Summary 2 Why Data Preprocessing? • Data in the real world is dirty – incomplete: lacking attribute values‚ lacking certain attributes of interest‚ or containing only aggregate data • e.g.‚ occupation=“ ”
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Buchenwald Concentration Camp was one of the many concentration camps‚ Just because it wasn’t well-known doesn’t mean it isn’t important to know about and how they dehumanized many Jews. Life for the Jews was difficult not just because of the labor‚ Starvation and having bad hygiene was one of the many ways that Jews had to live threw while in Buchenwald. They were used as test subjects by the doctors that were there and were also starved‚ the guard made them go as long as 8 days without food and
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Nagham Hamid‚ Abid Yahya‚ R. Badlishah Ahmad & Osamah M. Al-Qershi Image Steganography Techniques: An Overview Nagham Hamid University Malaysia Perils (UniMAP) School of Communication and Computer Engineering Penang‚ Malaysia nagham_fawa@yahoo.com Abid Yahya University Malaysia Perlis (UniMAP) School of Communication and Computer Engineering Perlis‚ Malaysia R. Badlishah Ahmad University Malaysia Perlis (UniMAP) School of Communication and Computer Engineering Perlis‚ Malaysia
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Ensuring Data Storage Security in Cloud Computing Cong Wang‚ Qian Wang‚ and Kui Ren Department of ECE Illinois Institute of Technology Email: {cwang‚ qwang‚ kren}@ece.iit.edu Wenjing Lou Department of ECE Worcester Polytechnic Institute Email: wjlou@ece.wpi.edu Abstract—Cloud Computing has been envisioned as the nextgeneration architecture of IT Enterprise. In contrast to traditional solutions‚ where the IT services are under proper physical‚ logical and personnel controls‚ Cloud Computing
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Melanie Pretko Mrs. Tarsitano Grade 8 Language Arts April‚ 11 2014 The Holocaust was a very tragic event for the Gypsies‚ Homosexuals‚ Polish‚ and especially the Jews. It was a genocide focused towards the Jews‚ and run by the Nazi’s. The Holocaust took place from 1933-1945 during that time millions of people died. The worst thing about the Holocaust was the concentration camps‚ and the propaganda that was made to be used against the Jews. The concentration camps were brutal and the Nazis treated
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Try it. If a business needed to downsize‚ what kind of process would likely be developed for deciding whom to lay off under this “veil of ignorance” system? How would life-saving prescription drugs be priced? Would slavery ever be acceptable? A major challenge of deontological approaches is deciding which duty‚ obligation‚ right‚ or principle takes precedence because‚ as we said earlier‚ ethical dilemmas often pit these against each other. What does the deontologist do if one binding moral rule
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The airline industry was established many decades ago with the arrival and departure of many airline companies. Although there were not a lot of them‚ some early entrants still do exist today and are holding a stable position in the market despite the volatility of the airline industry. According to Porter (Thornton‚ 2011)‚ the airline industry is known to be one of the least profitable industry by companies due to its “high level of rivalry‚ high bargaining power of the buyer‚ high level of substitutes
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HISTORY Bursa Malaysia previously known as Kuala Lumpur Stock Exchange (KLSE‚ Bursa Saham Kuala Lumpur in Malay) dates back to 1930 when the Singapore Stockbrokers’ Association was set up as a formal organization dealing in securities in Malaya. The first formal securities business organization in Malaysia was the Singapore Stockbrokers’ Association‚ established in 1930. It was re-registered as the Malayan Stockbrokers’ Association in 1937. The Malayan Stock Exchange was established in 1960 and
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Associate Level Material Comparative Data Resource: Ch. 14 of Health Care Finance Complete the following table by writing responses to the questions. Cite the sources in the text and list them at the bottom of the table. What criterion must be met for true comparability? | For true comparability‚ consistency‚ verification and unit measurement must be met. Consistency is vital to make sure that all things are done in the same manner throughout the same time period. Verification is
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Pathology laboratories study disease. Diseases are mainly diagnosed through analysis of tissue‚ body fluid and cell samples. Pathology laboratories can also study the predicted or actual progression of particular diseases. Pathology is a field of general inquiry and research so addresses four components of disease. These components are cause‚ mechanisms of development‚ structural alterations of cells and the consequences of the changes. If a hospital sends off a sample to a pathology laboratory‚ when
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