Tabulated collection of quantifiable data records, usually represented by rows and columns in tabular format:

Number of records $\begin{array}{l}N\end{array}$ is called dataset length.

Number of columns $\begin{array}{l}M\end{array}$ is called dataset channels.

Number of columns $\begin{array}{l}N \cdot M\end{array}$ is called dataset volume.

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See also