dataview.m

Versione 1.0.0.0 (4,33 KB) da Peter Cotton
Sparse and possibly normalized representation of a dataset
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Aggiornato 2 lug 2009

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A collection of one or more related @datasets, achieving a sparse (and possibly normalized) representation of a larger @dataset

Dataviews are compressed by providing a list of "key" variable names (analogous to key fields in a database) and a name for a new integer variable variable which will substitute for the key fields. This operation can be performed more than once.

Any dataset can be converted to a dataview by means of the dataview constructor, retrieved with dataview.full, and added to by means ofdataview.insert. The latter operation preserves the exising key lookups.

Motivations:

An ETL tool for relational databases
An updateable view (of sorts)
A "lite" database (one can combine several of these fellas)

Cita come

Peter Cotton (2024). dataview.m (https://www.mathworks.com/matlabcentral/fileexchange/24625-dataview-m), MATLAB Central File Exchange. Recuperato .

Compatibilità della release di MATLAB
Creato con R2008a
Compatibile con qualsiasi release
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Versione Pubblicato Note della release
1.0.0.0