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Read JSON

Parse JSON text, files, and connections into R objects.

fromJSON()
Convert JSON content to R objects
readJSONStream()
Read JSON from a Connection/Stream
basicJSONHandler()
Create handler for processing JSON elements from a parser

Write JSON

Serialize R objects to JSON.

toJSON()
Convert an R object to a string in Javascript Object Notation

Validate and simplify

Validate JSON and control simplification behavior.

isValidJSON()
Test if JSON content is valid
fromJSON()
Convert JSON content to R objects

JavaScript helpers

Helpers for writing JSON values as JavaScript variables.

asJSVars()
Serialize R objects as Javsscript/ActionScript variables

Parser constants

Constants exposed by the JSON parser callback interface.