Thursday, November 30, 2017

Data

Data

Data
(/ˈdeɪtə/ DAY-tə, /ˈdætə/ DA-tə, or /ˈdɑːtə/ DAH-tə) is a set of values of qualitative or quantitative variables. An example of qualitative data is an anthropologist's handwritten note about his or her interviews with indigenous people. Pieces of data are individual pieces of information. While the concept of data is commonly associated with scientific research, data is collected by a huge range of organizations and institutions, including businesses (e.g., sales data, revenue, profits, stock price), governments (e.g., crime rates, unemployment rates, literacy rates) and non-governmental organizations (e.g., censuses of the number of homeless people by non-profit organizations).


Data is measured, collected and reported, and analyzed, whereupon it can be visualized using graphs, images or other analysis tools. Data as a general concept refers to the fact that some existing information or knowledge is represented or coded in some form suitable for better usage or processing. Raw data ("unprocessed data") is a collection of numbers or characters before it has been "cleaned" and corrected by researchers. Raw data needs to be corrected to remove outliers or obvious instrument or data entry errors (e.g., a thermometer reading from an outdoor Arctic location recording a tropical temperature). Data processing commonly occurs by stages, and the "processed data" from one stage may be considered the "raw data" of the next stage. Field data is raw data that is collected in an uncontrolled "in situ" environment. Experimental data is data that is generated within the context of a scientific investigation by observation and recording. Data has been described as the new oil of the digital economy.

The Raw Facts and Figures are Called Data. The word raw means that the facts have not yet been processed to get their exact meaning. Data is collected from different sources. It is collected for different purposes. Data may consist of numbers, characters, symbols or pictures etc. The process of sorting or calculating data is called Data Processing. The result of data processing is Information.


DATA QUIZ

List of questions, answers, and quizzes on Data from Library and Information Science Questions Answers Quizzes.


REFERENCES
  1. Wikipedia. https://en.wikipedia.org/wiki/Data (accessed November 30, 2017)

SEE ALSO

AUTHOR
  • Salman Haider - Librarian Cataloger Blogger 

HISTORY
  • Last Updated: 2018-08-10
  • Written: 2017-11-30

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