maditr (0.6.3)

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Fast Data Aggregation, Modification, and Filtering with Pipes and 'data.table'.

https://github.com/gdemin/maditr
http://cran.r-project.org/web/packages/maditr

Package provides pipe-style interface for 'data.table'. It preserves all 'data.table' features without significant impact on performance. 'let' and 'take' functions are simplified interfaces for most common data manipulation tasks. For example, you can write 'take(mtcars, mean(mpg), by = am)' for aggregation or 'let(mtcars, hp_wt = hp/wt, hp_wt_mpg = hp_wt/mpg)' for modification. Use 'take_if/let_if' for conditional aggregation/modification. 'query_if' function translates its arguments one-to-one to '[.data.table' method. Additionally there are some conveniences such as automatic 'data.frame' conversion to 'data.table'.

Maintainer: Gregory Demin
Author(s): Gregory Demin [aut, cre]

License: GPL-2

Uses: data.table, magrittr, knitr, tinytest

Released 10 days ago.


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