[Rd] Re: autoload error in profile {was anova-bug in R-version 1.0.0?} (PR#486)

maechler@stat.math.ethz.ch maechler@stat.math.ethz.ch
Tue, 14 Mar 2000 10:32:37 +0100 (MET)


>>>>> "BDR" == Prof Brian D Ripley <ripley@stats.ox.ac.uk> writes:

    BDR> On Tue, 7 Mar 2000, Martin Maechler wrote:
    >> >>>>> "BDR" == Prof Brian D Ripley <ripley@stats.ox.ac.uk> writes:
    >> 
    BDR> On Tue, 7 Mar 2000, Trenkler, Dietrich wrote:
    >> >> I think I've discovered what went wrong.
    >> >> 
    >> >> My workspace included a function wilcox.test formerly copied from
    >> >> ctest. Now ctest ist part of the distribution and because of that I
    >> >> always got the message:
    >> >> 
    >> >> [Previously saved workspace restored]
    >> >> 
    >> >> Error in autoload("wilcox.test", "ctest") :
    >> >> Object already exists
    >> >> 
    >> >> I didn't take care of this message. Now I removed wilcox.test, saved
    >> >> the WS, restarted R without the vanilla-option and alas, anova
    >> >> now works.
    >> >> 
    >> >> It seems that R stops initializing after encountering the error
    >> >> mentioned above. Is this correct?   
    >> 
    BDR> Yes, in that the rest of the system Rprofile file is skipped
    BDR> and hence options show.signif.stars and show.coef.Pvalues are not set.
    >> but other options as well..
    >> I think this shouldn't happen and *is* a bug.

    BDR> It looks to me as if a bit more protection is needed in print.coefmat,
    BDR> at least.

	 which Brian has implemented in the mean time.

	 ....

    >> For the 1.0.x patches, at least, I'll move the autoload()'s to the end of
    >> profile/Common.R

    BDR> I _think_ they should have try() around them, which is what S-PLUS 
    BDR> now does with all startup code.

I tried this, but it does not work :

try(autoload(..)) works okay when used after startup, but not *during*
startup.  However, I'll put a workaround into Common.R

Should this {try(.) not working during startup} be another bug report ?

Martin

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