FYI, this gentleman has setup R studio AWS images for everyone to use. So there's no "pain" to set it up:
http://www.louisaslett.com/RStudio_AMI/ On Monday, October 26, 2015, Gambulator Gambulator <gambula...@gmail.com> wrote: > I tried to use the parallel core again and I get this error message. Note > that the non-parallel version works fine for me and I am using the > optimization feature. > > > This is how I call the parallel version: > > if( Sys.info()['sysname'] == "Windows" ) > { > library(doParallel) > cl=makeCluster(detectCores()) > registerDoParallel(cl) > #registerDoSEQ() > } else { > library(doMC) > > registerDoMC(cores=detectCores()) > } > > This is how I call the serial version: > > if( Sys.info()['sysname'] == "Windows" ) > { > library(doParallel) > > registerDoSEQ() > } else { > library(doMC) > > registerDoMC(cores=detectCores()) > } > > ****************************error message for parallel below: > > 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, result.10, result.11, > result.12, result.13, result.14, result.15, result.16, result.17, > result.18, result.19, result.20, result.21, result.22, result.23, > result.24, result.25, result.26, result.27, result.28, result.29, > result.30, result.31, result.32, result.33, result.34, result.35, > result.36, result.37, result.38, result.39, result.40, result.41, > result.42, result.43, result.44, result.45, result.46, result.47, > result.48, result.49, result.50, result.51, result.52, result.53, > result.54, result.55, result.56, result.57, result.58, result.59, > result.60, result.61, result.62, result.63, result.64, result.65, > result.66, result.67, result.68, result.69, result.70, result.71, > result.72, result.73, result.74, result.75, result.76, result.77, > result.78, result.79, result.80, result.81, result.82, result.83, > result.84, result.85, result.86, result.87, result.88, result.89, > result.90, result.91, result.92, result.93, result.94, result.95, > result.96, result.97, result.98, result.99, result.100, result.101, > result.102, result.103, result.104, result.105, result.106, result.107, > result.108, result.109, result.110, result.111, result.112, result.113, > result.114, result.115, result.116, result.117, result.118, result.119, > result.120, result.121, result.122, result.123, result.124, result.125, > result.126, result.127, result.128, result.129, result.130, result.131, > result.132, result.133, result.134, result.135, result.136, > result.137, result.138, result.139, result.140, result.141, result.142, > result.143, result.144, result.145, result.146, result.147, result.148, > result.149, result.150, result.151, result.152, result.153, result.154, > result.155, result.156, result.157, result.158, result.159, result.160, > result.161, result.162, result.163, result.164, result.165, result.166, > result.167, result.168, result.169, result.170, result.171, > result.172, result.173, result.174, result.175, result.176, result.177, > result.178, result.179, result.180, result.181, result.182, result.183, > result.184, result.185, result.186, result.187, result.188, result.189, > result.190, result.191, result.192, result.193, result.194, result.195, > result.196, result.197, result.198, result.199, result.200, result.201, > result.202, result.203, result.204, result.205, result.206, > result.207, result.208, result.209, result.210, result.211, result.212, > result.213, result.214, result.215, result.216, result.217, result.218, > result.219, result.220, result.221, result.222, result.223, result.224, > result.225, result.226, result.227, result.228, result.229, result.230, > result.231, result.232, result.233, result.234, result.235, result.236, > result.237, result.238, result.239, result.240, result.241, > result.242, result.243, result.244, result.245, result.246, result.247, > result.248, result.249, result.250, result.251, result.252, result.253, > result.254, result.255, result.256, result.257, result.258, result.259, > result.260, result.261, result.262, result.263, result.264, result.265, > result.266, result.267, result.268, result.269, result.270, result.271, > result.272, result.273, result.274, result.275, result.276, > result.277, result.278, result.279, result.280, result.281, result.282, > result.283, result.284, result.285, result.286, result.287, > result.288): attempt to select less than one element> > > > > On Mon, Oct 26, 2015 at 3:31 PM, Gambulator Gambulator < > gambula...@gmail.com <javascript:;> > > wrote: > > > thanks. I am running the optimization and yeah it is pretty slow so I > > figure that I should put it on more cores. It seems/sounds like it 'd > work > > fine on Linux but now that you mention Windows, may be I will give it a > > shot before firing up AWS and go through the pain to make an image and > all > > that. > > > > thx > > > > On Mon, Oct 26, 2015 at 11:28 AM, Bos, Roger <roger....@rothschild.com > <javascript:;>> > > wrote: > > > >> Not all of the parallel packages with in Windows, but doParallel is one > >> that does. Here is how to start it with 3 cores: > >> > >> library(doParallel) > >> cl <- makeCluster(3) > >> registerDoParallel(cl) > >> > >> It will automatically load the foreach package provided you have it > >> installed. Please see the documentation for foreach for examples. > >> > >> Thanks, > >> > >> Roger > >> > >> > >> > >> *************************************************************** > >> This message and any attachments are for the intended recipient's use > >> only. > >> This message may contain confidential, proprietary or legally privileged > >> information. No right to confidential or privileged treatment > >> of this message is waived or lost by an error in transmission. > >> If you have received this message in error, please immediately > >> notify the sender by e-mail, delete the message, any attachments and all > >> copies from your system and destroy any hard copies. You must > >> not, directly or indirectly, use, disclose, distribute, > >> print or copy any part of this message or any attachments if you are not > >> the intended recipient. > >> > >> > >> -----Original Message----- > >> From: R-SIG-Finance [mailto:r-sig-finance-boun...@r-project.org > <javascript:;>] On > >> Behalf Of Gambulator Gambulator > >> Sent: Monday, October 26, 2015 2:21 PM > >> To: r-sig-finance@r-project.org <javascript:;> > >> Subject: [R-SIG-Finance] parallel processing > >> > >> I did quite a bit of googling. it is not clear to me if it works now on > >> Windows or not. it is pretty slow even if I have turned off my > >> debug,verbose or print. any idea? > >> > >> [[alternative HTML version deleted]] > >> > >> _______________________________________________ > >> R-SIG-Finance@r-project.org <javascript:;> 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. > >> > > > > > > [[alternative HTML version deleted]] > > _______________________________________________ > R-SIG-Finance@r-project.org <javascript:;> 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. > -- Erol Biceroglu *erol.bicero...@alumni.utoronto.ca <erol.bicero...@alumni.utoronto.ca>416-275-7970* [[alternative HTML version deleted]] _______________________________________________ R-SIG-Finance@r-project.org 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.