Thanks David, for trying to replicate. May be it is a 2.9 problem? I should have attached session info:
> agrep("Staatssekretar im Bundeskanzleramt","Bundeskanzler",max.distance=.9) integer(0) > agrep("Staatssekretar im Bundeskanzleramt","Bundeskanzler",max.distance=.7) [1] 1 sessionInfo() R version 2.9.0 (2009-04-17) i386-apple-darwin8.11.1 locale: en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8 The same problem occurs on windows: > sessionInfo() R version 2.9.0 (2009-04-17) i386-pc-mingw32 locale: LC_COLLATE=English_United States.1252;LC_CTYPE=English_United States.1252;LC_MONETARY=English_United States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252 attached base packages: [1] stats graphics grDevices utils datasets methods base On Wed, Jun 24, 2009 at 2:57 PM, David Winsemius<dwinsem...@comcast.net> wrote: > Unable to reproduce: > >> agrep("Staatssekretar im >> Bundeskanzleramt","Bundeskanzler",max.distance=.6) > [1] 1 >> >> agrep("Staatssekretar im >> Bundeskanzleramt","Bundeskanzler",max.distance=.89) > [1] 1 >> agrep("Staatssekretar im >> Bundeskanzleramt","Bundeskanzler",max.distance=.9) > [1] 1 >> agrep("Staatssekretar im >> Bundeskanzleramt","Bundeskanzler",max.distance=.99) > [1] 1 > > > Using integers the threshold is between 20 and 21. Something to do mit > encodings? > >> sessionInfo() > R version 2.8.1 Patched (2009-01-19 r47650) > i386-apple-darwin9.6.0 > > locale: > en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8 > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > On Jun 24, 2009, at 2:06 PM, Eduardo Leoni wrote: > >> Dear list - >> >> I am a bit puzzled by the behavior of agrep: >> >> The following command finds a match: >> >> agrep("Staatssekretar im >> Bundeskanzleramt","Bundeskanzler",max.distance=.6) >> >> But if I _increase_ the maximum distance to .9 it fails: >> >> agrep("Staatssekretar im >> Bundeskanzleramt","Bundeskanzler",max.distance=.9) >> >> What am I missing? (If we use integers in max.distance the threshold >> is between 30 and 31) >> >> -Eduardo > > > David Winsemius, MD > Heritage Laboratories > West Hartford, CT > > -- Science is the art of the soluble. (Peter Medawar) ______________________________________________ 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.