Convert data objects into the JSON text object
The toJSON() method can be used to convert the data objects into the JSON text object. The method has the following syntax :
Syntax: toJSON(R-object-text)
Parameters :
R-object-text – The data contained in R object.
R
# Importing rjson library(rjson) # creating a data frame data_frame <- data.frame(col1=c(1: 5), col2=letters[1:5], col3=c("Commerce", "Humanities", "CSE", "Commerce", "Humanities") ) # printing the data frame print("Data Frame") print(data_frame) # converting to json object json_obj = toJSON(data_frame) # printing the json print("JSON") print(json_obj) |
Output:
[1] "Data Frame"
col1 col2 col3
1 1 a Commerce
2 2 b Humanities
3 3 c CSE
4 4 d Commerce
5 5 e Humanities
[1] "JSON"
[1] "{\"col1\":[1,2,3,4,5],\"col2\":[\"a\",\"b\",\"c\",\"d\",\"e\"],\"col3\":[\"Commerce\",\"Humanities\",\"CSE\",\"Commerce\",\"Humanities\"]}"
Convert R objects to/from JSON in jsonlite
In this article, we are going to know how to convert R objects to/from JSON in jsonlite using the R programming language.
jsonlite package
The jsonlite package in R is used to simulate the conversion to and from the JSON data objects in R. It can be converted easily to other data objects. The package can be downloaded and installed into the R working space using the following command.
install.packages("jsonlite")