June Kim wrote: > Thank you. The misspelling of Harvard wasn't intended. The data are > spelled consistently. > OK. One other potential problem: If the strings are substrings of eachother (as in "Science" and "Statistical Science") then you may need more care.
And I misremembered: It is probably better to use regexpr(....) != -1 than grep(....) for this purpose because the latter returns indices rather than a value for each element. -- O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ 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.
