[R] specific package to laply

[Jeff Newmiller]

I suggest you post using plain text to minimize communication problems on this list.

I use the clusterEvalQ and cluster export functions to setup the slave processes before I start processing.
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Sent from my phone. Please excuse my brevity.

On May 14, 2015 11:01:50 AM PDT, Benjamin <hess.bn at gmail.com> wrote:
>Hi,
>
>I have a batch jobs problem for parallel code without sudo.  When I try
>to
>send a package to the different nodes, as follows:
>
>.libPaths( c(.libPaths(),
>             "/my/first/library",
>             "/my/second/library")
>          )
>library(foreach)
>library(iterators)
>library(parallel)
>library(doParallel)
>library(rvest)
>cl <- makeCluster(detectCores())
>registerDoParallel(cl)
>sites <- paste0("https://www.site",1:2,".com")
>
>html0 <- foreach(i=sites,.packages='rvest') %dopar% html(i)
>
>
>I get the following output:
>
>Error in e$fun(obj, substitute(ex), parent.frame(), e$data) :
>  worker initialization failed: there is no package called ‘rvest’
>Calls: %dopar% -> <Anonymous>
>
>Presumably, I need a way to export my .libPaths() to the nodes.  Any
>suggestions?
>
>Thanks,
>Benjamin
>
>	[[alternative HTML version deleted]]
>
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