My concern here is that users can be confused from the fact that if one has a single time series fix() uses the default method of edit() and does not change its class
> x <- ts(1:5) > fix(x) > class(x) [1] "ts" whereas for mts objects edit.data.frame is used so that in my opinion it might be worth to clarify it in the documentation. Regards Simone On 5/9/07, Prof Brian Ripley <[EMAIL PROTECTED]> wrote: > > Why did you expect otherwise?: fix() is treating it as matrix and > ?edit.matrix says that it only works on 'simple data frames' (and converts > matrices to such). > > Editing R objects can easily change aspects of them, as dput() is not > faithful, environments can get lost and so on. > > On Wed, 9 May 2007, Simone Giannerini wrote: > > > Dear all, > > > > it looks like fix() changes the class of mts objects, here is a > reproducible > > example (tested both on WinXP and Linux): > > > >> x <- ts(cbind(1:5,1:5)) > >> x > > Time Series: > > Start = 1 > > End = 5 > > Frequency = 1 > > Series 1 Series 2 > > 1 1 1 > > 2 2 2 > > 3 3 3 > > 4 4 4 > > 5 5 5 > >> class(x) > > [1] "mts" "ts" > >> edit(x) > > Series 1 Series 2 > > [1,] 1 1 > > [2,] 2 2 > > [3,] 3 3 > > [4,] 4 4 > > [5,] 5 5 > >> class(x) > > [1] "mts" "ts" > >> fix(x) > >> class(x) > > [1] "matrix" > >> x > > Series 1 Series 2 > > [1,] 1 1 > > [2,] 2 2 > > [3,] 3 3 > > [4,] 4 4 > > [5,] 5 5 > > > >> R.version > > _ > > platform i386-pc-mingw32 > > arch i386 > > os mingw32 > > system i386, mingw32 > > status > > major 2 > > minor 5.0 > > year 2007 > > month 04 > > day 23 > > svn rev 41293 > > language R > > version.string R version 2.5.0 (2007-04-23) > > > >> R.version > > platform x86_64-unknown-linux-gnu > > arch x86_64 > > os linux-gnu > > system x86_64, linux-gnu > > status > > major 2 > > minor 5.0 > > year 2007 > > month 04 > > day 23 > > svn rev 41293 > > language R > > version.string R version 2.5.0 (2007-04-23) > > > > ______________________________________________________ > > > > Simone Giannerini > > Dipartimento di Scienze Statistiche "Paolo Fortunati" > > Universita' di Bologna > > Via delle belle arti 41 - 40126 Bologna, ITALY > > Tel: +39 051 2098262 Fax: +39 051 232153 > > ______________________________________________________ > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-devel@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-devel > > > > -- > Brian D. Ripley, [EMAIL PROTECTED] > Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ > University of Oxford, Tel: +44 1865 272861 (self) > 1 South Parks Road, +44 1865 272866 (PA) > Oxford OX1 3TG, UK Fax: +44 1865 272595 > -- ______________________________________________________ Simone Giannerini Dipartimento di Scienze Statistiche "Paolo Fortunati" Universita' di Bologna Via delle belle arti 41 - 40126 Bologna, ITALY Tel: +39 051 2098262 Fax: +39 051 232153 ______________________________________________________ [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
