Thanks to you both for reminding me about those important recursive objects! Hadley
On Wed, May 4, 2011 at 7:49 AM, peter dalgaard <pda...@gmail.com> wrote: > > On May 4, 2011, at 14:35 , Kenn Konstabel wrote: > >> On Wed, May 4, 2011 at 3:26 PM, Hadley Wickham <had...@rice.edu> wrote: >>> Hi all, >>> >>> Does anyone have a comprehensive list of recursive-type objects in R? >>> is.recursive defines them as by exclusion: "most types of objects are >>> regarded as recursive, except for vector types, ‘NULL’ and symbols >>> (as given by ‘as.name’)." I think this that means recursive objects >>> are: >>> >>> * lists >>> * pairlists >>> * calls >>> * expressions >> >> is.recursive(environment()) >> # [1] TRUE > > > Closures: > >> is.recursive(ls) > [1] TRUE > > >> >>> >>> Did I miss anything? >>> >>> Hadley >>> >>> -- >>> Assistant Professor / Dobelman Family Junior Chair >>> Department of Statistics / Rice University >>> http://had.co.nz/ >>> >>> ______________________________________________ >>> R-devel@r-project.org mailing list >>> https://stat.ethz.ch/mailman/listinfo/r-devel >>> >> >> ______________________________________________ >> R-devel@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-devel > > -- > Peter Dalgaard > Center for Statistics, Copenhagen Business School > Solbjerg Plads 3, 2000 Frederiksberg, Denmark > Phone: (+45)38153501 > Email: pd....@cbs.dk Priv: pda...@gmail.com > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- Assistant Professor / Dobelman Family Junior Chair Department of Statistics / Rice University http://had.co.nz/ ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
