[R-SIG-Finance] Error using quantstrat walk.forward on windows, pls help.

[Derek Wong]

platform       x86_64-w64-mingw32
arch           x86_64
os             mingw32
system         x86_64, mingw32
status
major          3
minor          1.1
year           2014
month          07
day            10
svn rev        66115
language       R
version.string R version 3.1.1 (2014-07-10)
nickname       Sock it to Me

On Tue, Sep 16, 2014 at 1:32 PM, Joshua Ulrich <josh.m.ulrich at gmail.com>
wrote:

> What version / revision of quantstrat are you using?  I've fixed
> several related issues in the past week or so.
> --
> Joshua Ulrich  |  about.me/joshuaulrich
> FOSS Trading  |  www.fosstrading.com
>
>
> On Tue, Sep 16, 2014 at 1:29 PM, Derek Wong <treydog999 at gmail.com> wrote:
> > Hello, I am having problems with the walk.forward function on windows. I
> am
> > recieve the error calling combine function. This also happens if i just
> try
> > to apply.paramset.
> >
> > error calling combine function:
> > <simpleError in fun(result.1, result.2, result.3, result.4, result.5,
> > result.6,     result.7, result.8, result.9): attempt to select less than
> > one element>
> > numValues: 9, numResults: 9, stopped: TRUE
> > Error in walk.forward("pairStrat", paramset.label = "BBOPT",
> portfolio.st =
> > portfolio1.st,  :
> >   obj.func() returned empty result
> > In addition: Warning messages:
> > 1: executing %dopar% sequentially: no parallel backend registered
> > 2: In max(x$tradeStats$Net.Trading.PL) :
> >   no non-missing arguments to max; returning -Inf
> >
> >
> > I know this is common on windows systems, I have tried doParallel
> > then registerDoSEQ() but still receive the error. I have also attempted
> to
> > use doRedis package and set up a local server. However there is no output
> > and it will just run for hours and hours.
> >
> > I am very new to this package and would really like anyone helps. Thank
> you
> >
> > -Derek
> >
> >         [[alternative HTML version deleted]]
> >
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>

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