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update python intro doc (#10033)

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UncleLLD 2024-02-15 02:01:38 +08:00 committed by GitHub
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doc/python/python_intro.rst
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@ -63,7 +63,7 @@ The input data is stored in a :py:class:`DMatrix <xgboost.DMatrix>` object. For
.. code-block:: python
dtrain = xgb.DMatrix('train.svm.txt')
dtrain = xgb.DMatrix('train.svm.txt?format=libsvm')
dtrain.save_binary('train.buffer')
* Missing values can be replaced by a default value in the :py:class:`DMatrix <xgboost.DMatrix>` constructor:
@ -86,7 +86,7 @@ to number of groups.
.. code-block:: python
dtrain = xgb.DMatrix('train.svm.txt')
dtrain = xgb.DMatrix('train.svm.txt?format=libsvm')
dtest = xgb.DMatrix('test.svm.buffer')
The parser in XGBoost has limited functionality. When using Python interface, it's
@ -176,7 +176,6 @@ Support Matrix
+-------------------------+-----------+-------------------+-----------+-----------+--------------------+-------------+
| pyarrow.Table | NPA | NPA | NPA | NPA | NPA | NPA |
+-------------------------+-----------+-------------------+-----------+-----------+--------------------+-------------+
+-------------------------+-----------+-------------------+-----------+-----------+--------------------+-------------+
| _\_array\_\_ | NPA | F | NPA | NPA | H | |
+-------------------------+-----------+-------------------+-----------+-----------+--------------------+-------------+
| Others | SciCSR | F | | F | F | |
@ -240,7 +239,7 @@ A saved model can be loaded as follows:
.. code-block:: python
bst = xgb.Booster({'nthread': 4}) # init model
bst.load_model('model.bin') # load data
bst.load_model('model.bin') # load model data
Methods including `update` and `boost` from `xgboost.Booster` are designed for
internal usage only. The wrapper function `xgboost.train` does some