[R] toJSON question

[Dieter Menne]

Santosh Srinivas wrote:
> 
> I am trying to use RJSONIO
> 
> I have:
> x <- c(0,4,8,9)
> y <- c(3,8,5,13)
> z <- cbind(x,y)
> 
> Any idea how to convert z into the JSON format below?
> 
> I want to get the following JSON output to put into a php file.
>  [[0, 3], [4, 8], [8, 5], [9, 13]]
> 

I have not tried RJSONIO, but with package rjson you could use:

> toJSON(as.data.frame(z))
[1] "{\"x\":[0,4,8,9],\"y\":[3,8,5,13]}"
> toJSON(as.data.frame(t(z)))
[1] "{\"V1\":[0,3],\"V2\":[4,8],\"V3\":[8,5],\"V4\":[9,13]}"

Dieter


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