Aggregate Numeric, Date and Categorical Variables

Convenience functions for aggregating a data frame or data table. Currently mean, sum and variance are supported. For Date variables, the recency and duration are supported. There is also support for dummy variables in predictive contexts. Code has been completely re-written in data.table for computational speed.


Change log:

Version 0.0.2, Nov 20, 2015

Added the functionality to compute recency and duration of Date variables by an ID

Version 0.0.1, Sep 30, 2015

Submitted package to cran with one function: Aggregate

Reference manual

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0.1.1 by Matthias Bogaert, a year ago

Browse source code at

Authors: Matthias Bogaert , Michel Ballings , Dirk Van den Poel

Documentation:   PDF Manual  

GPL (>= 2) license

Imports stats, utils, methods, data.table, tibble, NCmisc

See at CRAN