Displaying 2 results from an estimated 2 matches for "linaria".
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2002 Sep 17
0
ga: genetic algorithms package
Dear all,
at the following address
http://linaria.dst.unive.it/~claudio/R/Rmaterial.html#ga
you can download a package to build simple genetic algorithms. I wrote
this package to introduce genetic algorithms to student in labs, which
means, the package emphasize "how a ga works" instead of "how
fast it could be".
Please, let...
2002 Oct 21
1
possible bug in sd
> From: Claudio Agostinelli [mailto:mail-list at linaria.dst.unive.it]
>
> Dear All,
> I think there is a small bug in sd when the argument is a
> dataframe and
> there are missing values:
>
> > x <- data.frame(matrix(rnorm(12,0,1), nrow=4, ncol=3))
> > x[1,1] <- NA
> > sd(x)
> Error in var(x, na.rm = na.rm...