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@ -18,7 +18,7 @@
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#'
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#' International Workshop on Data Mining for Online Advertising (ADKDD) - August 24, 2014
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#'
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#' \url{https://research.facebook.com/publications/758569837499391/practical-lessons-from-predicting-clicks-on-ads-at-facebook/}.
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#' \url{https://research.fb.com/publications/practical-lessons-from-predicting-clicks-on-ads-at-facebook/}.
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#'
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#' Extract explaining the method:
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#'
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@ -14,7 +14,7 @@
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#' When this option is on, the model dump comes with two additional statistics:
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#' gain is the approximate loss function gain we get in each split;
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#' cover is the sum of second order gradient in each node.
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#' @param dump_fomat either 'text' or 'json' format could be specified.
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#' @param dump_format either 'text' or 'json' format could be specified.
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#' @param ... currently not used
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#'
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#' @return
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@ -119,7 +119,7 @@
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#' \itemize{
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#' \item \code{rmse} root mean square error. \url{http://en.wikipedia.org/wiki/Root_mean_square_error}
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#' \item \code{logloss} negative log-likelihood. \url{http://en.wikipedia.org/wiki/Log-likelihood}
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#' \item \code{mlogloss} multiclass logloss. \url{https://www.kaggle.com/wiki/MultiClassLogLoss}
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#' \item \code{mlogloss} multiclass logloss. \url{https://www.kaggle.com/wiki/MultiClassLogLoss/}
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#' \item \code{error} Binary classification error rate. It is calculated as \code{(# wrong cases) / (# all cases)}.
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#' By default, it uses the 0.5 threshold for predicted values to define negative and positive instances.
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#' Different threshold (e.g., 0.) could be specified as "error@0."
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@ -29,7 +29,7 @@ Joaquin Quinonero Candela)}
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International Workshop on Data Mining for Online Advertising (ADKDD) - August 24, 2014
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\url{https://research.facebook.com/publications/758569837499391/practical-lessons-from-predicting-clicks-on-ads-at-facebook/}.
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\url{https://research.fb.com/publications/practical-lessons-from-predicting-clicks-on-ads-at-facebook/}.
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Extract explaining the method:
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@ -24,9 +24,9 @@ When this option is on, the model dump comes with two additional statistics:
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gain is the approximate loss function gain we get in each split;
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cover is the sum of second order gradient in each node.}
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\item{...}{currently not used}
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\item{dump_format}{either 'text' or 'json' format could be specified.}
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\item{dump_fomat}{either 'text' or 'json' format could be specified.}
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\item{...}{currently not used}
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}
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\value{
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if fname is not provided or set to \code{NULL} the function will return the model as a \code{character} vector. Otherwise it will return \code{TRUE}.
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@ -174,7 +174,7 @@ The folloiwing is the list of built-in metrics for which Xgboost provides optimi
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\itemize{
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\item \code{rmse} root mean square error. \url{http://en.wikipedia.org/wiki/Root_mean_square_error}
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\item \code{logloss} negative log-likelihood. \url{http://en.wikipedia.org/wiki/Log-likelihood}
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\item \code{mlogloss} multiclass logloss. \url{https://www.kaggle.com/wiki/MultiClassLogLoss}
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\item \code{mlogloss} multiclass logloss. \url{https://www.kaggle.com/wiki/MultiClassLogLoss/}
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\item \code{error} Binary classification error rate. It is calculated as \code{(# wrong cases) / (# all cases)}.
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By default, it uses the 0.5 threshold for predicted values to define negative and positive instances.
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Different threshold (e.g., 0.) could be specified as "error@0."
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