% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/callbacks.R
\name{cb.print.evaluation}
\alias{cb.print.evaluation}
\title{Callback closure for printing the result of evaluation}
\usage{
cb.print.evaluation(period = 1)
}
\arguments{
\item{period}{results would be printed every number of periods}
}
\description{
Callback closure for printing the result of evaluation
}
\details{
The callback function prints the result of evaluation at every \code{period} iterations.
The initial and the last iteration's evaluations are always printed.

Callback function expects the following values to be set in its calling frame:
\code{bst_evaluation} (also \code{bst_evaluation_err} when available),
\code{iteration},
\code{begin_iteration},
\code{end_iteration}.
}
\seealso{
\code{\link{callbacks}}
}