[R-wiki] New challenge - any idea?

[Tony Plate]

How about something like the shortest set of examples that show the 
different ways that   the formula, data & weights arguments can be 
supplied to m<-lm(...) predict(m,...) (& the pitfalls)?  Part of the 
point of this would be to illustrate the non-standard evaluations rules 
for the weights arguments, and the circumstances in which arguments 
supplied to lm() in m<-lm(...) must still be available when calling 
predict(m,...).

-- Tony Plate


Philippe Grosjean wrote:
> Hello R Wiki Team!
> 
> Just to mention that we have now a daily backup of the Wiki. So, it 
> should be safe: if you notice a problem due to a bad attack of the 
> server (a Wiki is always rather sensitive, since everybody can edit the 
> content!), just tell me, and I can restore the whole server in seconds!
> 
> Otherwise, it should be nice to have a new challenge. The last one 
> (about Benford's Law) did not rise much enthousiasm, although Kevin 
> Wright did a nice job in solving it!
> 
> It seems that code optimisation is favorite, although I am sure that 
> graph/plot challenges will have their adepts too!
> 
> So, any idea?
> 
> Best,
> 
> Philippe