Top "Mclapply" questions

mclapply is a parallelized version of lapply, it returns a list of the same length as X, each element of which is the result of applying FUN to the corresponding element of X.

Understanding the differences between mclapply and parLapply in R

I've recently started using parallel techniques in R for a project and have my program working on Linux systems using …

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r parallel-processing mclapply
R tm In mclapply(content(x), FUN, ...) : all scheduled cores encountered errors in user code

When I run the following codes to the penultimate line, I got Warning message: In mclapply(content(x), FUN, ...) : all …

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r twitter rstudio tm mclapply
tm_map has parallel::mclapply error in R 3.0.1 on Mac

I am using R 3.0.1 on Platform: x86_64-apple-darwin10.8.0 (64-bit) I am trying to use tm_map from the tm library. …

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r parallel-processing tm mclapply
Is there way to track progress on a mclapply?

I love the setting .progress = 'text' in plyr's llply. However, it causes my much anxiety to not know how far …

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r progress-bar mclapply
Speed-up data.table group by using multiple cores and parallel programming

I have a large code and the aggregation step is the current bottleneck in terms of speed. In my code …

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r data.table mclapply
Combine lists in R

What would be an easy and fast way to get from: x <- list(a1=2, b1=c(1,2), c1=1:3) y &…

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r list data-structures lapply mclapply