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