Extension of data.frame. i and j expressions, keys and binary search.

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Documentation for package ‘data.table’ version 1.2

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%between% Convenience function for range subset logic.
%like% Convenience function for calling regexpr.
as.data.table Enhanced data.frame
between Convenience function for range subset logic.
CJ Creates a Join data table
data.table Enhanced data.frame
DT Enhanced data.frame
Extract.data.table Query a data table
is.data.table Enhanced data.frame
J Creates a Join data table
last Last item of an object
like Convenience function for calling regexpr.
setkey Create key on a data table
SJ Creates a Join data table
tables Display all objects of class 'data.table'
test.data.table Runs a set of tests.
[.data.table Query a data table