[R] R on LinuxPPC

Prof Brian D Ripley ripley at stats.ox.ac.uk
Sun Nov 7 23:15:23 CET 1999


On Sun, 7 Nov 1999 cstrato at EUnet.at wrote:

> > Hi,
> 
> Currently,  I am working with S-Plus on Win95, but I have now installed R
> on my PowerBook G3.
> 
> Now I have the following questions:
> 1, How can I see large tables?
> When the table is  a matrix, I can use "data.entry(ma)", however, when the
> table is a "data.frame"
> this seems not work.
> 
> 2, How can I scroll to the end of the table in this "data.entry" window?
> (e.g. with 10,000 rows)
> The keys <fn>-page up/down and <fn>-end don´t work (although they do work
> when I am using
> e.g. the midnight commander mc)

In both cases I would write out the object and use my favourite
editor/pager to examine it.

As others have commented, we think the spreadsheet-like data editors will
be re-worked.  One big issue is look-and-feel: on each GUI platform there
is a standard way to do such things, and they differ. For Windows, Excel is
so standard that people are talking about using that if available.
(Literally using it via automation.)

> 3, How can I see which functions I have defined in R?

> Note: One of the most useful features in S-Plus for Win95 is the "Object
> Explorer", which shows me
> all objects, i.e. lists, matrices, etc., but also results of calculations,
> and also all functions,which I have
> imported or defined, and which I can open upon double clicking. It would
> be great, if a similar feature
> would exist in R.

That `feature' has been a cause of such grief in the Axum-based Windows
version of S-PLUS that I don't think we with our limited resources will be
trying a cross-platform solution in a hurry. Notably, MathSoft have tried
and failed to port it to Unix.  Also, this is the first really positive
comment about it I have ever heard (and I have heard 100s of negative
ones). Replacing `most useful' by `least useful' would win quite a few
votes amongst S-PLUS users of my acquaintance.

Both are things that advanced users seem not to use at all, although the
lack of cross-platform solutions must be a factor.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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