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tqchen 2019-04-29 17:50:46 -07:00
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doc/tutorials/model.rst
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@ -72,8 +72,7 @@ Decision Tree Ensembles
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Now that we have introduced the elements of supervised learning, let us get started with real trees. Now that we have introduced the elements of supervised learning, let us get started with real trees.
To begin with, let us first learn about the model choice of XGBoost: **decision tree ensembles**. To begin with, let us first learn about the model choice of XGBoost: **decision tree ensembles**.
The tree ensemble model consists of a set of classification and regression trees (CART). Here's a simple example of a CART The tree ensemble model consists of a set of classification and regression trees (CART). Here's a simple example of a CART that classifies whether someone will like a hypothetical computer game X.
that classifies whether someone will like computer games.
.. image:: https://raw.githubusercontent.com/dmlc/web-data/master/xgboost/model/cart.png .. image:: https://raw.githubusercontent.com/dmlc/web-data/master/xgboost/model/cart.png
:width: 100% :width: 100%