Related topics from Britannicadata compression the process of reducing the amount of data needed for the storage or transmission of a given piece of information, typically by the use of encoding techniques. Compression predates digital ...
sociology Research techniques vary depending on the social phenomena studied. Data-collection techniques differ from participant observation, content analysis, interviewing, and documentary analysis. In this ...
price index The central problem of price-data collection is to gather a sample of prices representative of the various price quotations for each of the commodities under study. Sampling is almost always ...
computer programming language Whereas control structures organize algorithms, data structures organize information. In particular, data structures specify types of data, and thus which operations can be performed on them, while ...
computer science Integrity is a major database issue. In general, integrity refers to maintaining the correctness and consistency of the data. Some integrity checking is made possible by specifying the data type of ...
thermoelectric power generator Generators have been constructed to use natural gas, propane, butane, kerosene, jet fuels, and wood, to name but a few heat sources. Commercial units are usually in the 10- to 100-watt output power ...
thermoelectric power generator The decay products of radioactive isotopes can be used to provide a high-temperature heat source for thermoelectric generators. Because thermoelectric device materials are relatively immune to ...
anthropology Bodily measurements are a mainstay of anthropological research. Digital calipers and other sophisticated instruments that load data directly into computers expedite data collection and analysis. The ...
radiotelegraphy radio communication by means of Morse Code or other coded signals. The radio carrier is modulated by changing its amplitude, frequency, or phase in accordance with the Morse dot-dash system or some ...
psychology Experimental work using humans as subjects involves legal and ethical limitations. Therefore, a significant amount of research is done with animals, with the hope of transferring the knowledge gained ...
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