Description Usage Arguments Value See Also Examples
Convert an R object into a corresponding JSON object.
***Lists with unnamed components are not currently supported***
1 | toJSON( x, indent=0, method="C" )
|
x |
a vector or list to convert into a JSON object |
indent |
an integer specifying how much indentation to use when formatting the JSON object; if 0, no pretty-formatting is used |
method |
use the |
a string containing the JSON object
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | x <- list( alpha = 1:5, beta = "Bravo",
gamma = list(a=1:3, b=NULL),
delta = c(TRUE, FALSE) )
json <- toJSON( x )
fromJSON( json )
#named vectors are treated as JSON objects (lists)
toJSON(islands[1:4])
#data.frames must be converted into a list before converting into JSON
plot(cars, pch=2)
json_cars <- toJSON(as.list(cars))
points( data.frame( fromJSON( json_cars ) ), col="red", pch=3 )
#special R types are encoded as strings
testString <- c(1,2,3,4,NA,NaN,Inf,8,9);
toJSON(testString);
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