Description Usage Arguments Value Author(s) See Also
Hazard estimation using binary Super Learner
1  | 
N.delta | 
 Discrete survival process.  often created by   | 
n.controls | 
 number of randomly sampled observations from risk set using   | 
time.df | 
 degrees of freedom for the   | 
time | 
 the time variable.  often   | 
X | 
 the baseline variables. Do not include the outcome nor time  | 
newX | 
 test data frame  | 
time.newX | 
 time points in the newX data frame  | 
SL.library | 
 algorithms for binary Super Learner  | 
V | 
 number of cross validation folds for the Super Learner  | 
shuffle | 
 shuffle rows in data frame before creating cross validation folds  | 
verbose | 
 more detailed output  | 
family | 
 binomial  | 
discreteTime | 
 currently not implemented  | 
method | 
 Loss function for combining prediction in the library. Currently either "NNLS" (the default) or "NNloglik". NNLS is non-negative least squares and will work for both gaussian and binomial. NNloglik is a non-negative binomial likelihood maximization  | 
id | 
 subject identification variable  | 
save.fit.library | 
 logical variable for saving the fit of each algorithm in   | 
trim.logit | 
  Only used if   | 
obsWeights | 
 observation weights  | 
SL.predict | 
 predicted probability of having an event  | 
cand.names | 
 gives a list of all algorithms in the library, including any screening algorithms  | 
SL.library | 
 gives a list of all algorithms in the library  | 
init.coef | 
 coefficient estimates from the non-negative least squares  | 
coef | 
 Coefficient estimates in the super learner  | 
library.predict | 
  predicted values from all candidates in   | 
cv.risk | 
 V-fold cross-validated risk estimates for each algorithm in the library  | 
newZ | 
  predicted values from all candidates in   | 
fit.library | 
 a list containing the fit of each model in SL.library on the full data set  | 
id | 
 cluster identification variable  | 
namesX | 
 The variable names in the X data frame  | 
DATA.split | 
 a list with the cross-validation splits  | 
method | 
 method used to estimate weight for prediction in library  | 
whichScreen | 
 a logical matrix indicating which variables were selected for each screening algorithm  | 
trim.logit | 
  Only used if   | 
errorsInCVLibrary | 
 A logical vector with length equal to the number of algorithms in the library. equal to 1 if the corresponding algorithm failed on any of the cross-validation splits  | 
errorsInLibrary | 
 A logical vector with length equal to the number of algorithms in the library. equal to 1 if the corresponding algorithm failed on full data  | 
Eric C Polley ecpolley@berkeley.edu
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