From 77352529256dafc425e026b0c6b7791a7ba84753 Mon Sep 17 00:00:00 2001 From: Jiaming Yuan Date: Tue, 25 Dec 2018 22:00:58 +0800 Subject: [PATCH] Document num_parallel_tree. (#4022) --- doc/parameter.rst | 4 ++++ src/gbm/gbtree.cc | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/doc/parameter.rst b/doc/parameter.rst index 07789db38..325352f19 100644 --- a/doc/parameter.rst +++ b/doc/parameter.rst @@ -192,6 +192,10 @@ Parameters for Tree Booster - ``cpu_predictor``: Multicore CPU prediction algorithm. - ``gpu_predictor``: Prediction using GPU. Default when ``tree_method`` is ``gpu_exact`` or ``gpu_hist``. +* ``num_parallel_tree``, [default=1] + - Number of parallel trees constructed during each iteration. This + option is used to support boosted random forest + Additional parameters for Dart Booster (``booster=dart``) ========================================================= diff --git a/src/gbm/gbtree.cc b/src/gbm/gbtree.cc index d2def6663..62886dfcc 100644 --- a/src/gbm/gbtree.cc +++ b/src/gbm/gbtree.cc @@ -52,7 +52,7 @@ struct GBTreeTrainParam : public dmlc::Parameter { .set_default(1) .set_lower_bound(1) .describe("Number of parallel trees constructed during each iteration."\ - " This option is used to support boosted random forest"); + " This option is used to support boosted random forest."); DMLC_DECLARE_FIELD(updater_seq) .set_default("grow_colmaker,prune") .describe("Tree updater sequence.");