Hey, thanks for the answer, actually I already typed an example but deleted it since I thought it's superfluous. regards
--------- string <- "kjokllokkoadddo" # f1(string, "o") should return that "o" was found 4 times # f2(string, "o") should return that the distances between the "o"'s found is 3 , 2, 4 --------- On 11/05/2010 12:28 AM, Charles C. Berry wrote: > On Thu, 4 Nov 2010, Immanuel wrote: > >> Hello all, >> >> I want to know how often one character occurs in a given string >> and the distance from between every two occurences. (distance = other >> characters between them). > > You should provide "commented, minimal, self-contained, reproducible > code" as asked. > > And especially for a question like this one with many simple answers > that RespondeRs will shower you with if only you give them a starting > point. > > Use tapply, strsplit, seq, nchar, unlist, diff, "-", and table for one > way. > > Chuck > >> >> thanks >> >> ______________________________________________ >> 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. >> > > Charles C. Berry Dept of Family/Preventive > Medicine > cbe...@tajo.ucsd.edu UC San Diego > http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego > 92093-0901 > > > ______________________________________________ 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.