Re: [R] Fwd: CRAN problem with plyr-1.4.1

From: Ian Davis <>
Date: Tue, 12 Apr 2011 11:08:43 -0400

2011/4/12 Uwe Ligges <>

> On 12.04.2011 14:52, Ian Davis wrote:
>> I really do appreciate the help from you and Douglas on resolving this
>> problem. However, I respectfully disagree on a few points:
>> - install.packages() was broken and failing to install successfully.
> install.packages() works well, it is *not* broken.

Perhaps I was unclear in my choice of words -- install.packages() *is* not "broken" in the general sense; it does work well, most of the time. However, at the time I reported the problem, it *was* failing to install plyr, using three different mirrors. That is,


gave an error message and did not successfully install the package, whether I specified the mirror at CMU, NIH, or UNC-CH. That's all I meant by "broken". I understand that you believe this *should not* or even *cannot* happen, but I'm telling you that it did. This may indicate there is a bug in the mirroring process, in that, under exceptional conditions yet to be identified, install.packages() et al. are unable to retrieve correct, consistent information from a mirror for a period of time.

Again, to be clear, I'm not protesting that the *newest* packages were unavailable on these three mirrors. I'm protesting that *no version at all* of plyr was available from these three mirrors, using install.packages(), at the time I reported the problem. I'll leave it at this -- I'm only trying to help out by reporting a bug in the process. If no one cares, I'll shut up and sit down.


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