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2007 Feb 01
3
SEXP i/o, .Call(), and garbage collection.
...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 are initialized and populated with valid data. We can grow repeatedly or predict repeatedly. However, when...