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Tech riderRev. 22 Sept 2026

data.table

Ch 296.4of 36 Data Transformation Tools
  1. 1Runs onLinux, Mac, Windows
  2. 2CostsNot stated by the maker
  3. 3Deployment modelself hosted
  4. 4Transformation interfacecode
  5. 5Supported data formatsCSV, TSV, delimited text, compressed .gz and .bz2 files
4 lines stated Written from the maker's own pages: rdatatable.gitlab.io
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The data.table homepage

Overview

data.table is ranked #29 of 36 in data transformation tools on Specifiction. It runs on Linux, macOS, Windows.

Compared on data transformation tools

Free plan
Yesrdatatable.gitlab.io
Deployment model
self_hostedrdatatable.gitlab.io
Transformation interface
coderdatatable.gitlab.io
Supported data formats
CSV, TSV, delimited text, compressed .gz and .bz2 filesrdatatable.gitlab.io

Facts

What it is
data.table is an R package that provides a high-performance version of base R’s data.frame.rdatatable.gitlab.io · 8 Oct 2026
Data operations
It supports filtering, grouping, aggregation, joins, reshaping, and adding, updating, or deleting columns.rdatatable.gitlab.io · 8 Oct 2026
File input
Its fread() function reads delimited files and can read directly from web URLs or shell commands.rdatatable.gitlab.io · 8 Oct 2026
File output
Its fwrite() function writes delimited files and is optimized for speed on large files.rdatatable.gitlab.io · 8 Oct 2026
Parallel processing
Many common operations are internally parallelized to use multiple CPU threads.rdatatable.gitlab.io · 8 Oct 2026
Memory use
The project describes data.table as memory efficient and says columns can be added, updated, or deleted by reference without copies.rdatatable.gitlab.io · 8 Oct 2026
Dependencies
The project says data.table has no external Imports, LinkingTo, or Depends dependencies.rdatatable.gitlab.io · 8 Oct 2026
Integrations
data.table is an R package and can use R functions from other packages in queries.rdatatable.gitlab.io · 8 Oct 2026
File format limit
Reading and writing binary files such as Parquet is listed as outside the project’s current scope.rdatatable.gitlab.io · 8 Oct 2026
Out-of-memory limit
Manipulating data stored on disk or in remote SQL databases is listed as outside the project’s current scope.rdatatable.gitlab.io · 8 Oct 2026
Supported systems
The installation guide lists Linux, Mac, and Windows.github.com · 8 Oct 2026
Community support
The project directs users who need help to its active Stack Overflow community.rdatatable.gitlab.io · 8 Oct 2026
Funding
The data.table project is fiscally sponsored by NumFOCUS and accepts donations to support project needs.rdatatable.gitlab.io · 8 Oct 2026
License
The project repository identifies its license as MPL-2.0.github.com · 8 Oct 2026

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