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inst/examples/pi.R
In foreach: Provides Foreach Looping Construct for R
library(foreach)
w <- getDoParWorkers()
n <- 10000000
h <- 1 / n
pi <- foreach(i=1:w, .combine='+') %dopar% {
x <- h * (seq(i, n, by=w) - 0.5)
h * sum(4 / (1 + x * x))
}
cat(sprintf('pi = %f\n', pi))
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foreach documentation built on May 2, 2019, 6:09 p.m.
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library(foreach)
w <- getDoParWorkers()
n <- 10000000
h <- 1 / n
pi <- foreach(i=1:w, .combine='+') %dopar% {
x <- h * (seq(i, n, by=w) - 0.5)
h * sum(4 / (1 + x * x))
}
cat(sprintf('pi = %f\n', pi))
Try the foreach package in your browser
Any scripts or data that you put into this service are public.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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