>>>>> "RL" == Roebuck,Paul L <proeb...@mdanderson.org>
>>>>> on Tue, 24 Aug 2010 11:06:54 -0500 writes:
RL> I have two packages, one that does the actual work (SC)
RL> and the other a Tcl/Tk UI (SCUI) that invokes methods
RL> within the former. Within the SCUI's invocation method,
RL> I save an object returned from SC, the results of a
RL> long-running method.
RL> Now the object is completely described by the SC
RL> package. Unfortunately, any attempt to load the object
RL> (in a fresh R session) fails as below.
R> library(SC) setwd("/path/to/results/")
R> load("sc-results.rda")
RL> Loading Tcl/Tk interface ... done Error: .onLoad failed
RL> in loadNamespace() for 'SCUI', details: call:
RL> optiondb_add("*Notebook.borderWidth", 2,
RL> "widgetDefault") error: could not find function "tcl"
RL> That call (which adds resource to Tcl resource database)
RL> is made inside SCUI. Loading tcltk package removes the
RL> problem.
R> library(tcltk) load("sc-results.rda") ls()
RL> [1] "results"
RL> But I would really prefer not to need to load tcltk at
RL> all just to inspect/use the object, which contains
RL> nothing from SCUI anyway. Is there a way to strip the
RL> unwanted UI prerequisite (tcltk and SCUI) packages from
RL> the environment of the object prior/during save()?
Yes, there is:
> fortune("Yoda")
Evelyn Hall: I would like to know how (if) I can extract some of the
information from the
summary of my nlme.
Simon Blomberg: This is R. There is no if. Only how.
-- Evelyn Hall and Simon 'Yoda' Blomberg
R-help (April 2005)
About the "how": I'd make use of
ls.str(<the environment>)
to start inspecting the objects there.
To help you further, we'd need more details, e.g. such
str()-like results of the things you are talking about.
Martin
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