knitr::opts_chunk$set( collapse = TRUE, comment = "#>" )
This document describes data transfer, in both directions, between R and Julia.
The changes from the version of XRJulia
described in Extending R are in the transfer of vectors and named lists.
The main new features are:
data transfer is now defined for all types of R vectors, including logical
, raw
and complex
;
for all atomic types, transfer now has two methods, one using the JSON-style form (for small data) and one using a version of binary transfer through a an intermediate file for larger data;
named lists no longer use the JSON form, which Julia no longer allows;
a separate new function has been added to allow specification of option-style parameters for the Julia evaluator.
The changes are current as of version 0.8.0 of XRJulia.
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