On 01.10.2010 23:58, Paul Miller wrote:
Hello Everyone,
Just finished reading A Handbook of Statistical Analyses using R by Everitt and
Hothorn. I'll begin by saying that I quite liked the book. It's both little and
mighty in the sense that it's very compact but contains a tremendous amount of
useful material.
The last chapter of the book deals with cluster analysis. There's a package
used in this chapter (I believe that it's called mclust) that charges an annual
fee to non-academics. I did a little digging and found out that the annual cost
for some one like me would be $100 but it would cost more for people in large
companies. This isn't exactly outrageous but got me to wondering how many other
packages might not be free. I searched online but didn't find much.
Does anyone have any information about this?
Are you talking about CRAN packages?
If so, looking into the license information of the repository shows
which have standard licenses such as GPL and which licenses are special.
Just take a look, e.g. starting with
download.file("http://cran.R-project.org/web/packages/packages.rds";,
"packages.rds", mode="wb")
x <- .readRDS("packages.rds")
x <- x[!duplicated(x[,1]),]
table(x[,"License"])
Best,
Uwe Ligges
Thanks,
Paul
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