R - Definitions
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R
raw data (source data or atomic data)
Raw data is the data originally generated by a system, device or operation, and has not been processed or changed in any way.
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RDBMS (relational database management system)
A relational database management system (RDBMS) is a collection of programs and capabilities that enable IT teams and others to create, update, administer and otherwise interact with a relational database.
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relational database
A relational database is a collection of information that organizes data points with defined relationships for easy access.
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RFM analysis (recency, frequency, monetary)
RFM analysis is a marketing technique used to quantitatively rank and group customers based on the recency, frequency and monetary total of their recent transactions to identify the best customers and perform targeted marketing campaigns.