Achim Zeileis wrote: > On Thu, 01 Sep 2005 08:25:14 -0400 Chuck Cleland wrote: > > >>Should the Value: section of the help page read: >> >>For an array (and hence in particular, for a matrix) dim retrieves the >>dim attribute of the object. It is NULL for a vector of mode integer. > > > This statement is true, but less general than > It is NULL or a vector of mode integer. > hence the latter is surely preferred.
Z, in fact, it is not true: x <- integer(1) dim(x) <- 1 typeof(x) # "integer" dim(x) # 1 Best, Uwe > Z > > >>NOTE: for not or in the second sentence. >> >>Uwe Ligges wrote: >> >>>Christian Prinoth wrote: >>> >>> >>> >>>>Hi, if I do >>>> >>>>Z<-rnorm(50) >>>>Followed by >>>>Dim(Z) >>>>I get NULL. Is this correct? Shouldn't I get 50 instead? >>> > >>> >>>No, because Z has no dim attribute. ?dim tells you: >>> >>>"For an array (and hence in particular, for a matrix) dim retrieves >>>the dim attribute of the object. It is NULL or a vector of mode >>>integer." >>> >>> >>> >>>>TIA >>>>Chris >>>> >>>>DISCLAIMER:\ L'utilizzo non autorizzato del presente >>> >>>messagg...{{dropped}}> >>> >>>>______________________________________________ >>>>R-help@stat.math.ethz.ch mailing list >>>>https://stat.ethz.ch/mailman/listinfo/r-help >>>>PLEASE do read the posting guide! >>> >>>http://www.R-project.org/posting-guide.html >>> >>> >>>Yes, PLEASE do read the posting guide! >>>http://www.R-project.org/posting-guide.html >>> >>> >>>Uwe Ligges >>> >>>______________________________________________ >>>R-help@stat.math.ethz.ch mailing list >>>https://stat.ethz.ch/mailman/listinfo/r-help >>>PLEASE do read the posting guide! >>>http://www.R-project.org/posting-guide.html >>> >>> >> >>-- >>Chuck Cleland, Ph.D. >>NDRI, Inc. >>71 West 23rd Street, 8th floor >>New York, NY 10010 >>tel: (212) 845-4495 (Tu, Th) >>tel: (732) 452-1424 (M, W, F) >>fax: (917) 438-0894 >> >>______________________________________________ >>R-help@stat.math.ethz.ch mailing list >>https://stat.ethz.ch/mailman/listinfo/r-help >>PLEASE do read the posting guide! >>http://www.R-project.org/posting-guide.html >> ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html