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table.express (version 0.1.1)

Build 'data.table' Expressions with Data Manipulation Verbs

Description

A specialization of 'dplyr' data manipulation verbs that parse and build expressions which are ultimately evaluated by 'data.table', letting it handle all optimizations. A set of additional verbs is also provided to facilitate some common operations on a subset of the data.

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Version

Install

install.packages('table.express')

Monthly Downloads

438

Version

0.1.1

License

MPL-2.0

Issues

2

Pull Requests

0

Stars

66

Forks

5

Maintainer

Alexis Sarda

Last Published

June 3rd, 2019

Functions in table.express (0.1.1)

frame_append

Append expressions to the frame
arrange-table.express

Arrange rows
group_by-table.express

Group by clause
filter-table.express

Filter rows
order_by-table.express

Order by clause
filter_on

Filter with secondary indices
start_expr

Start expression
select-table.express

Select clause
end_expr

End and evaluate expression
mutate-table.express

Add or update columns
chain

Chain
mutate_sd

Mutate subset of data
table.express-package

Building 'data.table' expressions with data manipulation verbs
reexports

Objects exported from other packages
transmute-table.express

Alias for select
transmute_sd

Transmute subset of data
where-table.express

Where clause
ExprBuilder

Frame expression builder
filter_sd

Filter subset of data
key_by

Set key of the result