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Last data update: 2014.03.03

R: Assign and get variables in Python from R

jython.assign

R Documentation

Assign and get variables in Python from R

Description

Functions that assign and get Python variables from R.

Usage

  jython.assign( rJython, var.name, value )
  jython.get( rJython, py.var )

Arguments

`rJython`	rJython interpreter as instantiated by function `rJython`
`var.name`	a character string containing a valid python variable name
`value`	an R object whose equivalent wants to be assigned to the variable in python
`py.var`	Name of a python variable

Details

These functions can assign values to variables in Python as well as get their values back to R. Objects are serialized as json strings while being transferred between R and Python.

Value

Function jython.get returns a R version of the Python variable py.var.

References

http://code.google.com/p/simplejson

Examples


rJython <- rJython()

a <- 1:4
jython.assign( rJython, "a", a )
jython.exec( rJython, "b = len( a )" )
jython.get( rJython, "b" )

rJython$exec( "import math" )
jython.get( rJython, "math.pi" )