Re: [R] Storing user-defined R functions

From: Duncan Murdoch <>
Date: Fri, 25 Mar 2011 06:55:52 -0400

On 11-03-25 4:05 AM, David.Epstein wrote:
> Thanks to everyone for writing. A well-known phenomenon in mathematics,
> statistics and/or complex computing is that everything one already knows
> feels trivial and easy. It's as though one is permanently climbing a
> vertical cliff-face, while, if you look back from where you've come, you see
> a level plateau just a couple of inches lower than one's boots. I take
> statements about how easy it is to make packages with a pinch of salt---I'm
> sure it's easy when you already know how.
> I've been looking through
> with a
> mixture of bafflement and horror. Even to skim this document without
> understanding all that much of it would take me a couple of hours. To make
> my first package might take me a couple of days, or maybe longer.
> To follow David Scott's suggestion would take me 5 minutes max.
> And I have a huge workload with looming deadlines ....
> It might be different if there were a "Dummies' guide to packages", allowing
> one to rapidly assemble a
> a few easy functions, and omitting all the optional features---a guide to
> the first steps up the cliff-face. If there is a Dummies' guide, I would be
> glad to hear of it.

Short version: see ?package.skeleton.

Longer version: Look at one of the tutorials on the web. The big problem with this longer version is that there isn't any quality control; people can write instructions that become obsolete, and there aren't necessarily going to be any updates. Mine from 2008 still seems okay:
<>, but you can probably find others too.

Duncan Murdoch mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Fri 25 Mar 2011 - 10:58:58 GMT

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