[R] namespaces not available

[Göran Broström]

On Fri, 20 Jun 2003, Prof Brian Ripley wrote:

> Might it help to note that the version of MASS which shipped with 1.7.0 
> didn't get the import of biplot from mva right?  I think this was what
> happened with that version of VR.

I upgraded to R-1.7.1 and now the old .RData file loads when I start R,
so I guess that settles it? (I used 'glmmPQL' in MASS in that workspace.)

Thanks,

Göran

> On Fri, 20 Jun 2003, Luke Tierney wrote:
> 
> > On Fri, 20 Jun 2003, Göran Broström wrote:
> > 
> > > This happened to me with R-1.7.0, Linux RH9:
> > > 
> > > ------------------------------------------------------------------
> > > > q()
> > > Save workspace image? [y/n/c]: y
> > > Warning messages: 
> > > 1: namespaces may not be available when loading 
> > > 2: names in persistent strings are currently ignored 
> > 
> > This happens when one of the variables in your workspace contains a
> > reference to a name space, for eample as the environment of a
> > function.  The first warning is there because the workspace cannot be
> > loaded into older R versions.  THe second warning should probably be
> > removed.
> > 
> > > 
> > > gb at lasker:~/R/test$ R
> > > 
> > > R : Copyright 2003, The R Development Core Team
> > > Version 1.7.0  (2003-04-16)
> > > 
> > > R is free software and comes with ABSOLUTELY NO WARRANTY.
> > > You are welcome to redistribute it under certain conditions.
> > > Type `license()' or `licence()' for distribution details.
> > > 
> > > R is a collaborative project with many contributors.
> > > Type `contributors()' for more information.
> > > 
> > > Type `demo()' for some demos, `help()' for on-line help, or
> > > `help.start()' for a HTML browser interface to help.
> > > Type `q()' to quit R.
> > > 
> > > Error in get(x, envir, mode, inherits) : variable "biplot" was not found
> > > Fatal error: unable to restore saved data in .RData
> > > ------------------------------------------------------------
> > > (what is "biplot"??)
> > > 
> > 
> > This I don't understand.  Loading a workspace with a reference to mva
> > or MASS (which imports biplot from mva) works fine for me, so there is
> > something more complicated going on.  Does a traceback() tell you
> > anything?  Otherwise, can you send me your .RData file and I will try
> > to track this down.
> > 
> > luke
> > 
> > 
> 
> 

-- 
---
 Göran Broström                    tel: +46 90 786 5223
 Department of Statistics          fax: +46 90 786 6614
 Umeå University                   http://www.stat.umu.se/egna/gb/
 SE-90187 Umeå, Sweden             e-mail: gb at stat.umu.se