A dataset is a collection of data, generally represented in tabular form, with columns signifying different variables and rows signify different members of the set.

A dataset, or data set, is a collection of data - the data points of which are typically related in some way.

Most commonly a dataset corresponds to the contents of a single database table, or a single statistical data matrix, where every column of the table represents a particular variable, and each row corresponds to a given member of the dataset in question. The dataset lists values for each of the variables, such as height and weight of an object, for each member of the dataset. Each value is known as a datum or data point.

The term dataset may also be used more loosely, to refer to the data in a collection of closely related tables.

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