Assignment by reference
Determine Duplicate Rows
First item of an object
Merge two data.tables
Remove rows with missing values on columns specified
Fast row reordering of a data.table by reference
Fast lead/lag for vectors and lists
Optimisations in data.table
Fast dcast for data.table
data.table Printing Options
Integer based date class
Creates a Join data table
S4 Definition for data.table
Makes one data.table from a list of many
Create key on a data.table
Address in RAM of a variable
Equality Test Between Two Data Tables
Fast overlap joins
Fast rank
Enhanced data.frame
Set operations for data tables
Display 'data.table' metadata
Fast parallel sort
Generate run-length type group id
Last item of an object
Grouping Set aggregation for data tables
Set or get number of threads that data.table should use
Fast CSV writer
Generate unique row ids within each group
Obtain matching indices corresponding to patterns
Split data.table into chunks in a list
Set attributes of objects by reference
Subsetting data.tables
Fast column reordering of a data.table by reference
Runs a set of tests.
Pretty print of time taken
Over-allocation access
Efficient transpose of list
Data table utilities
Convert a data.table to a matrix
Efficient data.table to xts conversion
Fast and friendly file finagler
Deprecated.
Rolling functions
Coerce a data.table to data.frame by reference
Coerce to data.table
strsplit and transpose the resulting list efficiently
Perform update of development version of a package
Efficient xts to as.data.table conversion
Faster match of character vectors
Copy an entire object
Convenience function for calling regexpr.
Coerce lists and data.frames to data.table by reference
Fast melt for data.table
Change or turn off numeric rounding
For use by packages that mimic/divert auto printing e.g. IRkernel and knitr
Special symbols
Convenience functions for range subsets.