the naive way is to exhausive search, but too bad for large and real situation.
On 10/18/07, Weiwei Shi <[EMAIL PROTECTED]> wrote: > for example, > > a,b: 3 which means a and b appear together 3 times in my input list. > > On 10/18/07, jim holtman <[EMAIL PROTECTED]> wrote: > > It would be helpful if you explained what the numbers mean. > > > > On 10/18/07, Weiwei Shi <[EMAIL PROTECTED]> 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. > > > > > > -- > > > 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. > > > > > > > > > -- > > Jim Holtman > > Cincinnati, OH > > +1 513 646 9390 > > > > What is the problem you are trying to solve? > > > > > -- > Weiwei Shi, Ph.D > Research Scientist > GeneGO, Inc. > > "Did you always know?" > "No, I did not. But I believed..." > ---Matrix III > -- 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.