Please ignore this email. I just reread the abind documentation and it already does this!
--- On Tue 10/21, Gabor Grothendieck < [EMAIL PROTECTED] > wrote: From: Gabor Grothendieck [mailto: [EMAIL PROTECTED] To: [EMAIL PROTECTED], [EMAIL PROTECTED], [EMAIL PROTECTED] Date: Tue, 21 Oct 2003 13:22:28 -0400 (EDT) Subject: Re: [R] do.call() and aperm() <br><br>I suggest following APL as that is a well thought out system.<br>In APL terms there are two operations here called:<br><br>- catenation. In abind, this occurs when along = 1,2,...,length(dim)<br>- lamination. In abind, this occurs when along = length(dim) + 1<br><br>however, the latter is really only one case of lamination in <br>which the added dimension comes at the end. To do it in full<br>generality would require that one can add the new dimension<br>at any spot including before the first, between the first and<br>the second, ..., after the last.<br><br>In APL notation, if along has a fractional part then the new<br>dimension is placed between floor(along) and ceiling(along).<br>Thus along=1.1 would put the new dimension between the first<br>and second. The actual value of the fractional part is not material.<br><br>---<br>From: Tony Plate <[EMAIL PROTECTED]><br> <br>I've also been thinking about how to specify that 'along' should be <br>length(dim)+! 1. At the moment one can specify any number from 0 up to <br>length(dim)+1, but as you point out you have to spell out length(dim)+1 as <br>the value for the along argument. It would possible to make abind() <br>automatically calculate along=length(dim)+1 when given along=NA, or <br>along=-1, or along="+1". Any preferences?<br><br>-- Tony Plate<br><br><br><br>_______________________________________________<br>No banners. No pop-ups. No kidding.<br>Introducing My Way - http://www.myway.com<br><br>______________________________________________<br>[EMAIL PROTECTED] mailing list<br>https://www.stat.math.ethz.ch/mailman/listinfo/r-help<br> _______________________________________________ No banners. No pop-ups. No kidding. Introducing My Way - http://www.myway.com ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help
