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RJSONIO  

Serialize R Objects to JSON, JavaScript Object Notation
View on CRAN: Click here


Download and install RJSONIO package within the R console
Install from CRAN:
install.packages("RJSONIO")

Install from Github:
library("remotes")
install_github("cran/RJSONIO")

Install by package version:
library("remotes")
install_version("RJSONIO", "2.0.0")



Attach the package and use:
library("RJSONIO")
Maintained by
CRAN Team
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All associated links for this package
First Published: 2010-10-04
Latest Update: 2025-04-05
Description:
This is a package that allows conversion to and from data in Javascript object notation (JSON) format. This allows R objects to be inserted into Javascript/ECMAScript/ActionScript code and allows R programmers to read and convert JSON content to R objects. This is an alternative to rjson package. Originally, that was too slow for converting large R objects to JSON and was not extensible. rjson's performance is now similar to this package, and perhaps slightly faster in some cases. This package uses methods and is readily extensible by defining methods for different classes, vectorized operations, and C code and callbacks to R functions for deserializing JSON objects to R. The two packages intentionally share the same basic interface. This package (RJSONIO) has many additional options to allow customizing the generation and processing of JSON content. This package uses libjson rather than implementing yet another JSON parser. The aim is to support other general projects by building on their work, providing feedback and benefit from their ongoing development.
How to cite:
CRAN Team (2010). RJSONIO: Serialize R Objects to JSON, JavaScript Object Notation. R package version 2.0.0, https://cran.r-project.org/web/packages/RJSONIO. Accessed 25 Jun. 2026.
Previous versions and publish date:
0.3-1 (2010-10-04 12:14), 0.4-1 (2010-12-06 16:07), 0.5-0 (2011-02-22 09:41), 0.7-1 (2011-04-30 15:01), 0.7-2 (2011-05-10 12:34), 0.7-3 (2011-06-06 15:10), 0.8-1 (2011-07-30 17:34), 0.8-2 (2011-08-03 09:59), 0.91-0 (2011-08-15 21:45), 0.92-0 (2011-08-16 09:59), 0.94-0 (2011-08-23 07:21), 0.95-0 (2011-09-05 06:53), 0.96-0 (2011-10-23 18:01), 0.97-0 (2012-01-08 16:41), 0.98-0 (2012-02-02 22:13), 0.98-1 (2012-02-06 16:07), 1.0-0 (2012-09-30 09:22), 1.0-1 (2012-10-10 12:18), 1.0-2 (2013-03-20 17:44), 1.0-3 (2013-03-28 15:02), 1.2-0.1 (2014-04-26 17:45), 1.2-0.2 (2014-04-29 13:09), 1.3-0 (2014-07-28 17:26), 1.3-1.1 (2019-03-03 19:57), 1.3-1.2 (2019-06-04 12:19), 1.3-1.3 (2019-10-03 17:27), 1.3-1.4 (2020-01-15 11:13), 1.3-1.5 (2021-08-17 21:22), 1.3-1.6 (2021-09-16 20:47), 1.3-1.7 (2023-01-14 12:55), 1.3-1.8 (2023-01-31 13:01), 1.3-1.9 (2023-11-27 14:42), 1.3-1.10 (2025-03-24 09:10), 1.3-1.11 (2025-03-26 08:10), 1.3-1 (2018-11-12 08:30), 2.0.0 (2025-04-05 18:20)
Other packages that cited RJSONIO R package
View RJSONIO citation profile
Other R packages that RJSONIO depends, imports, suggests or enhances
Complete documentation for RJSONIO
Functions, R codes and Examples using the RJSONIO R package
Some associated functions: JSON_T_NULL . asJSVars . basicJSONHandler . fromJSON . isValidJSON . readJSONStream . toJSON . 
Some associated R codes: asVars.R . isValid.R . json.R . readJSON.R . simpleHandler.R . stream.R .  Full RJSONIO package functions and examples
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