A data set (or dataset) is a collection of
data
In the pursuit of knowledge, data (; ) is a collection of discrete values that convey information, describing quantity, quality, fact, statistics, other basic units of meaning, or simply sequences of symbols that may be further interpret ...
. In the case of tabular data, a data set corresponds to one or more
database tables
A table is a collection of related data held in a table format within a database. It consists of columns and rows.
In relational databases, and flat file databases, a ''table'' is a set of data elements (values) using a model of vertical column ...
, where every
column
A column or pillar in architecture and structural engineering is a structural element that transmits, through compression, the weight of the structure above to other structural elements below. In other words, a column is a compression member ...
of a table represents a particular
variable, and each
row
Row or ROW may refer to:
Exercise
*Rowing, or a form of aquatic movement using oars
*Row (weight-lifting), a form of weight-lifting exercise
Math
*Row vector, a 1 × ''n'' matrix in linear algebra.
*Row (database), a single, implicitly structured ...
corresponds to a given
record
A record, recording or records may refer to:
An item or collection of data Computing
* Record (computer science), a data structure
** Record, or row (database), a set of fields in a database related to one entity
** Boot sector or boot 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.
In the
open data
Open data is data that is openly accessible, exploitable, editable and shared by anyone for any purpose. Open data is licensed under an open license.
The goals of the open data movement are similar to those of other "open(-source)" movements ...
discipline, data set is the unit to measure the information released in a public open data repository. The European
data.europa.eu On November 16, 2015 the beta version of the European Data Portal was launched. The European Data Portal is an initiative of the European Commission, and is part of the Digital Single Market.
Purpose
The European Data Portal was created to gather ...
portal aggregates more than a million data sets.
Some other issues (
real-time data sources,
data sets, etc.) increases the