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survreg
2007 Feb 01
3
SEXP i/o, .Call(), and garbage collection.
...no memory leaks, and our experience has been
that they are relatively easy to detect under stress given the large
memory imprint our data structures typically have. Stack usage using
Cstack_info() is stable.
For clarity, pseudo code for the trivial stress loop is as follows:
formula = as.formula(Survrsf(time,status)~.))
data(veteran, package="randomSurvivalForest")
for (i in 1:1000) {
growObject = rsf.default(formula, veteran)
predictObject = rsf.predict(growObject, veteran)
}
On single iterations, we have carefully examined the output of each
function for coherency. All vectors a...