[R] output from the gbm package

From: Changbin Du <changbind_at_gmail.com>
Date: Tue, 15 Jun 2010 11:06:19 -0700

HI, Dear Greg and R community,

I have one question about the output of gbm package. the output of Boosting should be f(x), from it , how to calculate the probability for each observations in data set?

SInce it is stochastic, how can guarantee that each observation in training data are selected at least once? IF SOME obs are not selected, how to calculate the training error?




Changbin Du
DOE Joint Genome Institute
Bldg 400 Rm 457
2800 Mitchell Dr
Walnut Creet, CA 94598
Phone: 925-927-2856

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