search for: permunt

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2005 Nov 04
2
Classification Trees and basic Random Forest pkg using tree structures in C
Hello R-devel: I have written a package, called "woods", that does classification trees (R function CT), and currently, only the most basic functionality of Random Forest, e.g. bagged trees with choices about sample size, with/without replacement, size of (random) subset of covariates drawn when nodes are split. My reason for writing this is twofold. First, I wanted to base this
2005 Nov 04
2
Classification Trees and basic Random Forest pkg using t ree structures in C
...; Hi, > > Hmm, why didn't you just post a URL? Isn't it a bit too much to assume that everyone has a personal web space somewhere? > Incidentally I am actually very > interested in seeing your code. I am working on a project where > the data set is extremely large, but the permuntation of the states of > the data is extremely small. Each piece of data consists of only 4 > states, so stuffing it as an R object (which takes up 32-byte? on > 32-bit machines) or even an char vector is quite wasteful; so I > have written a "strange" data.frame where interna...