Hi, On Thu, Aug 16, 2012 at 2:49 PM, Schumacher, Jay S <j...@neo.tamu.edu> wrote: > > > hi, > i'm trying to understand r data structures. i see that vectors, matrix, > factors and arrays have a "dimension."
Out of curiosity, where do you "see" that vectors and factors have a dimension? I mean -- I guess they're one dimensional, but ... > there seems to be no mention of dimensionality anywhere for lists or > dataframes. can i consider lists and frames to be of fixed dimension 2? data.frames: sure, I guess lists: no What would you consider the dimension of this list to be: x = list(a=1:10, b='hello', c=matrix(1:100, nrow=10)) -steve -- Steve Lianoglou Graduate Student: Computational Systems Biology | Memorial Sloan-Kettering Cancer Center | Weill Medical College of Cornell University Contact Info: http://cbio.mskcc.org/~lianos/contact ______________________________________________ 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.
