of variables Qualitative Quantitative • Reliability and Validity • Hypothesis Testing • Type I and Type II Errors • Significance Level • SPSS • Data Analysis Data Analysis Using SPSS Dr. Nelson Michael J. 2 Variable • A characteristic of an individual or object that can be measured • Types: Qualitative and Quantitative Data Analysis Using SPSS Dr. Nelson Michael J. 3 Types of Variables • Qualitative variables: Variables which differ in kind rather than degree • Measured
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1. Data mart definition A data mart is the access layer of the data warehouse environment that is used to get data out to the users. The data mart is a subset of the data warehouse that is usually oriented to a specific business line or team. Data marts are small slices of the data warehouse. Whereas data warehouses have an enterprise-wide depth‚ the information in data marts pertains to a single department. In some deployments‚ each department or business unit is considered the owner of its data
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Ever get "subject/verb agreement" as an error on a paper? This handout will help you understand this common grammar problem. Making Subjects and Verbs Agree 1. When the subject of a sentence is composed of two or more nouns or pronouns connected by and‚ use a plural verb. She and her friends are at the fair. 2. When two or more singular nouns or pronouns are connected by or or nor‚ use a singular verb. The book or the pen is in the drawer. 3. When a compound subject contains both a singular
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Data Mining Information Systems for Decision Making 10 December 2013 Abstract Data mining the next big thing in technology‚ if used properly it can give businesses the advance knowledge of when they are going to lose customers or make them happy. There are many benefits of data mining and it can be accomplished in different ways. The problem with data mining is that it is only as reliable as the data going in and the way it is handled. There are also privacy concerns with data mining
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(2) An adaptive routing strategy can aid in congestion control. Because an adaptive routing strategy tends to balance loads‚ it can delay the onset of severe congestion. Disadvantages: (1) The routing decision is more complex; therefore‚ the processing burden on network nodes increases. (2) In most cases‚ adaptive strategies depend on status information that is collected at one place but used at another. There is a tradeoff here between the quality of the information and the amount of overhead
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University CS 450 Data Mining‚ Fall 2014 Take-Home Test N#1 Date: September 22nd‚ 2014 Final deadline for submission September 29th‚ 2014 Weighting: 5% Total number of points: 100 Instructions: 1. Attempt all questions. 2. This is an individual test. No collaboration is permitted for assessment items. All submitted materials must be a result of your own work. Part I Question 1 [20 points] Discuss whether or not each of the following activities is a data mining task.
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NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2021 xyz 20 0 XXXXX XXXX 1664 S 0 0.2 0:00.43 bash 2 PID PPID TIME+ %CPU %MEM PR NI S VIRT SWAP RES UID COMMAND 2021 2019 0:00.43 0 0.2 20 0 S 22132 16m 4952 1000 bash 3 PID %MEM VIRT SWAP RES CODE DATA SHR nFLT nDRT S PR NI %CPU COMMAND 2021 0.2 22132 16m 4952 XXX XXXX X664 1 0 S 20 0 0 bash 4 PID PPID UID USER RUSER TTY TIME+ %CPU %MEM S COMMAND 2021 2019 1000 xyz xyz pts/0 0:00.43 0 0.2 S bash Above you can see the swap space. You can
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DATA SECURITY IN LOCAL NETWORK USING DISTRIBUTED FIREWALLS ABSTRACT Computers and Networking have become inseparable by now. A number of confidential transactions occur every second and today computers are used mostly for transmission rather than processing of data. So Network Security is needed to prevent hacking of data and to provide authenticated data transfer. Network Security
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encrypt certain information to avoid suffering the penalties of going against the wishes of those who attempt to control. Still‚ the methods of data encryption and decryption are relatively straightforward‚ and easily mastered. I have been doing data encryption since my college days‚ when I used an encryption algorithm to store game programs and system information files on the university mini-computer‚ safe from ’prying eyes’. These were files that raised eyebrows amongst those who did not approve
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Discussion An Illinois court probably won’t enforce the non-compete agreement in Mr. Gold’s restrictive covenant but it will most likely sever the non-compete and enforce the non-solicitation agreement. A court will enforce a restrictive covenant if it is: (1) ancillary to a valid employment relationship; (2) supported by adequate consideration‚ and (3) reasonable. Reliable Fire Equip. Co. v. Arredondo‚ 965 N.E.2d 393‚ 396 (Ill. 2011). I. Ancillary to a Valid Contract A court will most likely
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