All Questions
Tagged with doparallel optimization
5
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mclapply warnings: scheduled cores ... did not deliver results, all values of the jobs will be affected
I am trying to optimize my R code using "foreach" and "doParallel" package. My code is running in the serial version without any warnings and errors, but I get this error while ...
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2
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3
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What is the fastest way to perform an exhaustive search in R
I am implementing a version of the Very Large Scale Relieff algorithm detailed here.
Simply put, Very Large Scale Relieff split the set of features N into several random subsets Ns where Ns << N....
- 127
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1
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Use %dopar% for nested for loops to find smallest distance in R
I'm currently try to match all the zip codes in the US with some zip codes I have, by the smallest distance. The code currently like this:
for (i in 1:nrow(Haversine_Zip_Match)){
# Reset the ...
2
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2
answers
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Parallelization/Optimization of R loops containing *apply
I am working on implementing an algorithm where I try to find 5 vectors out of 20 which are "furthest apart", using some measure. To do that i use combnPrime where I get a list of some 77000 vectors ...
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2
votes
1
answer
463
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Solving univariate optimization problems simultaneously in R
I am going to use a very simple example to explain my problem (the real problem concerns a very complex univariate function). Consider the following univariate function
f <- function(x, p){ 10 - (...
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