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[R] Provide better guidance for persisting XGBoost model (#5964)

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* [R] Provide better guidance for persisting XGBoost model

* Update saving_model.rst

* Add a paragraph about xgb.serialize()
This commit is contained in:
Philip Hyunsu Cho
2020-07-31 20:00:26 -07:00
committed by GitHub
parent bf2990e773
commit 5a2dcd1c33
17 changed files with 233 additions and 82 deletions
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6
R-package/man/xgb.plot.deepness.Rd
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@@ -23,7 +23,7 @@ or a data.table result of the \code{xgb.model.dt.tree} function.}
\item{which}{which distribution to plot (see details).}
\item{plot}{(base R barplot) whether a barplot should be produced.
\item{plot}{(base R barplot) whether a barplot should be produced.
If FALSE, only a data.table is returned.}
\item{...}{other parameters passed to \code{barplot} or \code{plot}.}
@@ -45,10 +45,10 @@ When \code{which="2x1"}, two distributions with respect to the leaf depth
are plotted on top of each other:
\itemize{
\item the distribution of the number of leafs in a tree model at a certain depth;
\item the distribution of average weighted number of observations ("cover")
\item the distribution of average weighted number of observations ("cover")
ending up in leafs at certain depth.
}
Those could be helpful in determining sensible ranges of the \code{max_depth}
Those could be helpful in determining sensible ranges of the \code{max_depth}
and \code{min_child_weight} parameters.
When \code{which="max.depth"} or \code{which="med.depth"}, plots of either maximum or median depth