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 <[email protected]> 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]] > > _______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-sig-finance > -- Subscriber-posting only. If you want to post, subscribe first. > -- Also note that this is not the r-help list where general R questions > should go. _______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-sig-finance -- Subscriber-posting only. If you want to post, subscribe first. -- Also note that this is not the r-help list where general R questions should go.
