frequent itemset, yeah.. I did not use that for a while.... thanks.
On 10/19/07, Gad Abraham <[EMAIL PROTECTED]> wrote: > Weiwei Shi wrote: > > Hi, > > > > I am looking for an algorithm (better if it is implemented in R) which > > can do the following: > > > > from the following list: > > a,b,c,d > > a,b,c > > b,c > > a,b,c,d,e > > > > to calculate > > a,b,c,d: 2 > > a,b,c: 3 > > a,b: 3 > > a,c: 3 > > b,c: 4 > > b,c,d:2 > > > > here, the order is not important. > > > > Thanks. > > > > In data mining this is called association rule mining, see > http://en.wikipedia.org/wiki/Association_rule_learning. > > If your dataset is large, you may want to use more sophisticated > algorithms; have a look at > http://www.adrem.ua.ac.be/~goethals/software/ > > > Cheers, > Gad > > -- > Gad Abraham > Department of Mathematics and Statistics > The University of Melbourne > Parkville 3010, Victoria, Australia > email: [EMAIL PROTECTED] > web: http://www.ms.unimelb.edu.au/~gabraham > -- Weiwei Shi, Ph.D Research Scientist GeneGO, Inc. "Did you always know?" "No, I did not. But I believed..." ---Matrix III ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
