Description Usage Arguments Details Value Author(s) References See Also Examples
Make a crossvalidation using GBM.
1 2 3 4 5 |
logX |
The data matrix. |
groupings |
The list containing the group factors. |
DIR |
An output directory. |
params |
A parameter list. |
Internal function.
CV result. A list with three elements res, featlist and performance
, holding the crossvalidation data, an extracted features list in each cv-iteration and an overall performance object, holding information on the performance (AUC values and a roc curve object that can be plotted). See resultCV
for making a summary plot for the CV.
Christian Bender
J.H. Friedman (2001). "Greedy Function Approximation: A Gradient Boosting Machine," _Annals of Statistics_ 29(5):1189-1232.
J.H. Friedman (2002). "Stochastic Gradient Boosting," _Computational Statistics and Data Analysis_ 38(4):367-378.
1 2 3 4 5 | ## Not run:
## TODO
\
## End(Not run)
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