SOCIOLOGICAL METHODS TYPES OF DATA Sociologists have two types of data available to them: information they have self-generated for their own research purposes (primary data)‚ and already existing data that was not specifically created for sociological purposes (secondary data). Primary data can result from‚ the employment of questionnaires‚ structured‚ semi-structured and unstructured interviews‚ and observation techniques. Secondary data is more or less‚ anything else: statistics produced
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the stock prices by using trends‚ patterns‚ moving averages observed from historical data. However‚ there have been a certain number of people criticizing the use of past data. Among these people‚ a French mathematician‚ Louis Bachelier raised a theory called Efficient Market Hypothesis more than a century ago. The theory states that stock prices follow a random walk‚ which discouraged the study of historical data. This is very controversial and has led to an ever lasting dispute about the reliability
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Oracle Fusion Applications Using External Data Integration Services Table of Contents Introduction 4 External Data Integration Services: Overview 4 Integration Points to consider 5 Locating File Import Templates: Explained 5 Prepare Data Files 6 Data Integration using Manual Flow 7 File for Import and Export: Highlights 7 File for Import and Export: Explained 8 Load Interface File for Import Process 10 Importing Data into Application Tables: Procedure 11 Flow Automation using Web Service
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do you mean by data communication? Ans: It is the exchange of data between two devices via some form of transmission medium such as wire cable. The communicating system must be part of a communication system made up of a combination of hardware and software. The effectiveness of a data communication system depends on three fundamental characteristics: delivery‚ accuracy and timeliness. 2. What is simplex? Ans: It is the mode of communication between two devices in which flow of data is unidirectional
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So‚ what is a data card? A data card is simply a way to organize all pertinent information by its individual category. Although I‚ have both a Microsoft worksheet document with my data on it‚ I also keep my; load data‚ rifle data‚ inventory‚ best price list and cartridge usage on 3x5 reusable cards. Gunsmith’s and had-loaders can purchase a pack of 50-100 index cards from Dollar Tree. After organizing the information by individual category on the card‚ they can get it laminated. A fine point dry
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Data Input Methods Optical data readers The best data input method for printed questionnaires would be Optical Data Readers. Optical Data Readers are a special type of scanning device to be used on documents. Optical Data Readers fall under two categories‚ optical mark recognition (OMR) and optical character recognition (OCR) (Stair‚ R.‚ Reynolds‚ G.‚ 2004). Printed questionnaires which‚ for instance‚ can be used for surveying groups of people regarding a particular subject can utilize OMR through
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Paper Creating a Data Warehouse Introduction Data warehouses are the latest buzz in the business world. Not only are they used to store data for reporting and forecasting‚ but they are part of a decision support system. There are many reasons for creating and using a data warehouse. The data warehouse will support the decisions a business needs to make‚ usually on a daily basis. The data warehouse collects data‚ consolidates the data for reporting purposes. Data warehouses are accompanied
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Electronic Data Interchange * Electronic data interchange (EDI) is the structured transmission of data between organizations by electronic means‚ which is used to transfer electronic documents or business data from one computer system to another computer system‚ i.e. from one trading partner to another trading partner without human intervention. It is more than mere e-mail; for instance‚ organizations might replace bills of lading and even cheques with appropriate EDI messages. It also refers
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effect of the Data Protection Act on e-marketing This guide is based on UK law. It was last updated in March 2008. Topics • Advertising and marketing • Commercial The law relating to data protection is designed to regulate organisations known as data controllers who collect and process information relating to living and identifiable individuals and to provide those individuals with rights in relation to such data. In the UK the position is currently governed by the Data Protection Act
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1. With necessary diagram explain about data warehouse development life cycle . Ans : Introduction to data warehouses. Data warehouse development lifecycle (Kimball’s approach) Q. 2. What is Metadata ? What is it’s uses in Data warehousing Archietechture ? Ans : In simple terms‚ meta data is information about data and is critical for not only the business user but also data warehouse administrators and developers. Without meta data‚ business users will be like tourists left
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