SMS CUSAT Reading Material on Data Mining Anas AP & Alex Titty John • What is Data? Data is a collection of facts and information or unprocessed information. Example: Student names‚ Addresses‚ Phone Numbers etc. • What is a Database? A structured set of data held in a computer which is accessible in various ways. Example: Electronic Address Book‚ Phone Book. • What is a Data Warehouse? The electronic storage of large amount of data by business. Concept originated in
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Business Data Analysis SCH-MGMT 650 STATISTICS FOR MANAGERS USING Microsoft Excel David M. Levine David F. Stephan Timothy C. Krehbiel Mark L. Berenson Custom Edition for UMASS-Amherst Professor Robert Nakosteen Taken from: Statistics for Managers: Using Microsoft Excel‚ Fifth Edition by David M. Levine‚ David F. Stephan‚ Timothy C. Krehbiel‚ and Mark L. Berenson Cover photo taken by Lauren Labrecque. Taken from: Statistics for Managers: Using Microsoft Excel‚ Fifth Edition
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Definition: Statistics is the study of the collection‚ organization‚ analysis‚ interpretation and presentation of data. It deals with all aspects of this‚ including the planning of data collection in terms of the design of surveys and experiments. A statistician is someone who is particularly well-versed in the ways of thinking necessary for the successful application of statistical analysis. Such people have often gained experience through working in any of a wide number of fields. Some
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Chapter 1 Exercises 1. What is data mining? In your answer‚ address the following: Data mining refers to the process or method that extracts or \mines" interesting knowledge or patterns from large amounts of data. (a) Is it another hype? Data mining is not another hype. Instead‚ the need for data mining has arisen due to the wide availability of huge amounts of data and the imminent need for turning such data into useful information and knowledge. Thus‚ data mining can be viewed as the result of
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Critique of Quantitative and Qualitative Studies NU310: Kaplan University Introduction The following paper is a critique of the data collection and data analysis methods used in a quantitative study that examines the effects of crossed legs on blood pressure measurement‚ and a qualitative study that looks at the experiences of patients during awake craniotomies. The data collection and analysis are the heart and soul of a study and contribute to its reliability. A study
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pp. 210 ) CORRECT Points Received: 2 of 2 Comments: 2. Question: Duplicate data in multiple data files is: Your Answer: Data redundancy ( p. 211 ) CORRECT Data multiplication Data independence Data backups Points Received: 2 of 2 Comments: 3. Question: The logical view: Your Answer: Shows how data are organized and structured on the storage media. Presents an entry screen
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business intelligence‚ data warehouse‚ data mining‚ text and web mining‚ and knowledge management. Justify and synthesis your answers/viewpoints with examples (e.g. eBay case) and findings from literature/articles. To understand the relationships between these terms‚ definition of each term should be illustrated. Firstly‚ business intelligence (BI) in most resource has been defined as a broad term that combines many tools and technologies‚ used to extract useful meaning of enterprise data in order to help
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A glimpse of Big Data Jan. 2013 What is big data? “Big data is not a precise term; rather it’s a characterization of the never ending accumulation of all kinds of data‚ most of it unstructured. It describes data sets that are growing exponentially and that are too large‚ too raw or too unstructured for analysis using relational database techniques. Whether terabytes or petabytes‚ the precise amount is less the issue than where the data ends up and how it is used.”------Cite from EMC’s report
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doctor has charted Dexter’s mass and related it to his BMI (Body Mass Index). A BMI between 20 and 26 is considered healthy. The data is shown in the following table. Mass(kg)62 72 66 79 85 82 92 88 BMI 19 22 20 24 26 25 28 27 (a) Create a scatter plot for the data. (b) Describe any trends in the data. Explain. (c) Construct a median–median line for the data. Write a question that requires the median– median line to make a prediction. (d) Determine the equation of the median–median line
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Study Design For the purpose of the proposed research question‚ the researcher carried out a qualitative research design to explore the meaning and experiences of infertility among African American couples. The researcher utilized a phenomenological qualitative process based on methodology outlined by Moustakas (1994). The goal of phenomenological research is “to determine what an experience means for the persons who have had the experience and are able to provide a comprehensive description of
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