On Tue, May 1, 2012 at 11:29 AM, Simon Urbanek
wrote:
>
> On May 1, 2012, at 1:26 PM, Antonio Piccolboni
> wrote:
>
> > It seems like people need to hear more context, happy to provide it. I am
> > implementing a serialization format (typedbytes, HADOOP-1722 if people
>
hat's helpful too in a way because it restricts the options. I
thought I may be missing a simple primitive, like a t() for data frames
(that doesn't coerce to matrix). Thanks
Antonio
On Tue, May 1, 2012 at 5:46 AM, Prof Brian Ripley wrote:
> On 01/05/2012 00:28, Antonio Piccolboni wr
Hi,
I was wondering if there is anything more efficient than split to do the
kind of conversion in the subject. If I create a data frame as in
system.time({fd = data.frame(x=1:2000, y = rnorm(2000), id = paste("x",
1:2000, sep =""))})
user system elapsed
0.004 0.000 0.004
and then I try
Hi,
sorry if this question is trivial or unclear, this is my first venture into
mixed C/R programming (I am reasonably experienced in each separately).
I am trying to write a serialization function for a format called
typedbytes, which is used as an interchange format in Hadoop circles. Since
I wou
On Fri, Mar 9, 2012 at 8:39 AM, Justin Talbot wrote:
>
> > Another possibility is to implement R/S on top of an optimized virtual
> > machine like the JVM, LLVM, etc.
> >
>
>
>
Somebody is pursuing that already: https://code.google.com/p/renjin/
Antonio
The RHadoop project, https://github.com/R
