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2006
2012 Oct 05
2
R: machine for moderately large data
Dear all,
I would like to ask your advice about a suitable computer for the following usage.
I (am starting to) work with moderately big data in R:
- cca 2 - 20 million rows * 100 - 1000 columns (market basket data)
- mainly clustering, classification trees, association analysis (e.g. libraries rpart, cba, proxy, party)
Can you recommend a sufficient computer for this volume?
I am routinely
2005 Nov 10
3
Low level algorithm conrol in Fisher's exact test
Hi folks,
Forgive me if this question is a trivial issue.
I was doing a series of Fishers' exact test using the fisher.test
function in stats package.
Since the counts I have were quite large (c(64, 3070, 2868, 4961135)), R
suggested me to use
*other algorithms* for the test which can be specified through the
'control' argument of the
fisher.test function as I understood. But where