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Merge model compatibility fixes from 1.0rc branch. (#5305)

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* Port test model compatibility.
* Port logit model fix.

https://github.com/dmlc/xgboost/pull/5248
https://github.com/dmlc/xgboost/pull/5281
This commit is contained in:
Jiaming Yuan
2020-02-13 20:41:59 +08:00
committed by GitHub
parent 29eeea709a
commit 911a902835
19 changed files with 550 additions and 106 deletions
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7
doc/tutorials/saving_model.rst
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@@ -91,7 +91,12 @@ Loading pickled file from different version of XGBoost
As noted, pickled model is neither portable nor stable, but in some cases the pickled
models are valuable. One way to restore it in the future is to load it back with that
specific version of Python and XGBoost, export the model by calling `save_model`.
specific version of Python and XGBoost, export the model by calling `save_model`. To help
easing the mitigation, we created a simple script for converting pickled XGBoost 0.90
Scikit-Learn interface object to XGBoost 1.0.0 native model. Please note that the script
suits simple use cases, and it's advised not to use pickle when stability is needed.
It's located in ``xgboost/doc/python`` with the name ``convert_090to100.py``. See
comments in the script for more details.
********************************************************
Saving and Loading the internal parameters configuration