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Secondary data refers to data that is collected by someone other than the primary user. [1] Common sources of secondary data for social science include censuses , information collected by government departments, organizational records and data that was originally collected for other research purposes. [ 2 ]
Scipione Amati's History of the Kingdom of Woxu (1615), an example of a secondary source.. In scholarship, a secondary source [1] [2] is a document or recording that relates or discusses information originally presented elsewhere.
Data collection can use larger audience samples than the few hundred or thousand typically used in market research. [20] Also required is the (at least passive) [21] cooperation of those being surveyed; [22] trust [23] is also helpful. [24]
Data collection and validation consist of four steps when it involves taking a census and seven steps when it involves sampling. [3] A formal data collection process is necessary, as it ensures that the data gathered are both defined and accurate. This way, subsequent decisions based on arguments embodied in the findings are made using valid ...
Data collection or data gathering is the process of gathering and measuring information on targeted variables in an established system, which then enables one to answer relevant questions and evaluate outcomes. The data may also be collected from sensors in the environment, including traffic cameras, satellites, recording devices, etc.
SST treats any assignment of secondary structure as a potential hypothesis that attempts to explain given protein coordinate data. The core idea is that the best secondary structural assignment is the one that can explain ( compress ) the coordinates of a given protein coordinates in the most economical way, thus linking the inference of ...
Secondary-ion mass spectrometry (SIMS) is a technique used to analyze the composition of solid surfaces and thin films by sputtering the surface of the specimen with a focused primary ion beam and collecting and analyzing ejected secondary ions.
The Latin word data is the plural of datum, "(thing) given," and the neuter past participle of dare, "to give". [6] The first English use of the word "data" is from the 1640s. The word "data" was first used to mean "transmissible and storable computer information" in 1946. The expression "data processing" was first used in 1954. [6]