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