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Extension of `data.frame`

Fast aggregation of large data (e.g. 100GB in RAM), fast ordered joins, fast add/modify/delete of columns by group using no copies at all, list columns, friendly and...

Analyze Multi-Threading Performance for 'data.table' Functions

Assists in finding the most suitable thread count for the various 'data.table' routines that support parallel processing.

Combines 'data.table' and 'matrix' Classes

Provides two classes extending 'data.table' class. Simple 'tableList' class wraps 'data.table' and any additional structures together. More complex 'tableMatrix' class combines 'data.table' and 'matrix'. See <http://github...

Database Queries Using 'data.table' Syntax

Query database tables over a 'DBI' connection using 'data.table' syntax. Attach database schemas to the search path. Automatically merge using foreign key constraints.

Export Data Frames to Excel Workbook

Collection of functions that allow to export data frames to excel workbook.

Build 'data.table' Expressions with Data Manipulation Verbs

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...

Compare Data Frames

A toolbox for comparing two data frames. This package is defunct. I recommend you use the "versus" package instead.

Manipulation of Matched Phylogenies and Data using 'data.table'

An implementation that combines trait data and a phylogenetic tree (or trees) into a single object of class 'treedata.table'. The resulting object can be easily manipulated to simultaneously change...

Quickly Explore Your Data Using 'ggplot2' and 'table1' Summary Tables

Quickly and easily perform exploratory data analysis by uploading your data as a 'csv' file. Start generating insights using 'ggplot2' plots and 'table1' tables with descriptive stats, all using an...

'data.table' Time-Series

High-frequency time-series support via 'nanotime' and 'data.table'.

Make and Apply Customized Rounding Specifications for Tables

Translate double and integer valued data into character values formatted for tabulation in manuscripts or other types of academic reports.

Tidy Interface to 'data.table'

A tidy interface to 'data.table', giving users the speed of 'data.table' while using tidyverse-like syntax.

Convert 'sjPlot' HTML-Tables to R 'data.frame'

A small set of helper functions to convert 'sjPlot' HTML-tables to R data.frame objects / knitr::kable-tables.

Table 1 Heatmap

...The amount of splits in the data in such a table is limited. Table1Heatmap draws a heatmap of all crosstables that can be generated with the data. Users can choose...

Create 'Table 1' to Describe Baseline Characteristics with or without Propensity Score Weights

Creates 'Table 1', i.e., description of baseline patient characteristics, which is essential in every medical research. Supports both continuous and categorical variables, as well as p-values and standardized...

Tabulate Descriptive Statistics in Multiple Formats

Creates a table of descriptive statistics for factor and numeric columns in a data frame. Displays these by groups, if any. Highly customizable, with support for 'html' and 'pdf' provided...

Reshape Data Table

A grammar of data manipulation with 'data.table', providing a consistent a series of utility functions that help you solve the most common data manipulation challenges.

Export Tables to LaTeX or HTML

Coerce data to LaTeX and HTML tables.

'rquery' for 'data.table'

Implements the 'rquery' piped Codd-style query algebra using 'data.table'. This allows for a high-speed in memory implementation of Codd-style data manipulation tools.

Data Table Back-End for 'dplyr'

Provides a data.table backend for 'dplyr'. The goal of 'dtplyr' is to allow you to write 'dplyr' code that is automatically translated to the equivalent, but usually much faster...