On Sep 21, 2010, at 5:31 PM, Hans W Borchers wrote:
David Winsemius <dwinsemius <at> comcast.net> writes:
A further citation that answers the question I raised (and
inaccurately predicted no value) regarding prime.sieve :
http://finzi.psych.upenn.edu/R/Rhelp02/archive/49773.html
This was found with Barons search facility set for rhelp postings:
[...]
Just being curious:
And did you also find the probably most important and professional of
all factorization routines in R, based on the Pollard Rho algorithm,
factorize() in package 'gmp'?
Only when I searched on "factorize". The function name is "factor",
but neither the sos package nor the Baron search page return that
function as a hit with a search for "prime factor". Perhaps the
package's keywords could use some expansion? (On the other hand a
search for "primes factor" does return it as a hit.)
> require(sos)
> res <- ???"factorize"
> matrix(c(as.character(res$Package), as.character(res$Function)),
ncol=2)
[,1] [,2]
[1,] "conf.design" "00Index"
[2,] "conf.design" "factorize"
[3,] "conf.design" "primes"
[4,] "QCA" "factorize"
[5,] "QCA" "00Index"
[6,] "gmp" "factor"
[7,] "gmp" "00Index"
[8,] "Epi" "00Index"
[9,] "Epi" "transform.Lexis"
[10,] "elliptic" "divisor"
[11,] "elliptic" "00Index"
[12,] "QCA3" "reduce"
[13,] "simba" "liste"
[14,] "limma" "contrasts.fit"
[15,] "multipol" "is.constant"
Hans Werner
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David Winsemius, MD
West Hartford, CT
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