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Data set

This article is about the general concept. For files on IBM mainframes, see Data set (IBM mainframe). For data communications, see Modem.
Various plots of the multivariate data set Iris flower data set introduced by Ronald Fisher (1936).[1]

A data set (or dataset) is a collection of data. In the case of tabular data, a data set corresponds to one or more database tables, where every column of a table represents a particular variable, and each row corresponds to a given record of the data set in question. The data set lists values for each of the variables, such as for example height and weight of an object, for each member of the data set. Data sets can also consist of a collection of documents or files.[2]

In the open data discipline, data set is the unit to measure the information released in a public open data repository. The European data.europa.eu portal aggregates more than a million data sets.[3]

  1. ^ Cite error: The named reference fisher36 was invoked but never defined (see the help page).
  2. ^ Snijders, C.; Matzat, U.; Reips, U.-D. (2012). "'Big Data': Big gaps of knowledge in the field of Internet". International Journal of Internet Science. 7: 1–5. Archived from the original on 2019-11-23. Retrieved 2017-02-10.
  3. ^ "European open data portal". European open data portal. European Commission. Retrieved 2016-09-23.

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