Github user HyukjinKwon commented on the pull request:
https://github.com/apache/spark/pull/12627#issuecomment-222351279
Hi @dbtsai I just happened to run some Python tests for ML and I noticed
some examples related with this PR are failed:
```
examples/src/main/python/ml/aft_survival_regression.py
examples/src/main/python/ml/chisq_selector_example.py
examples/src/main/python/ml/dct_example.py
examples/src/main/python/ml/elementwise_product_example.py
examples/src/main/python/ml/estimator_transformer_param_example.py
examples/src/main/python/ml/pca_example.py
examples/src/main/python/ml/polynomial_expansion_example.py
examples/src/main/python/ml/simple_params_example.py
examples/src/main/python/ml/vector_assembler_example.py
examples/src/main/python/ml/vector_slicer_example.py
```
I see some Scala and Java examples were fixed here. So, I made a rough PR
for Python examples. However, I feel a bit hesitated to submit this because I
am not used to this part (but could do this based on your PR) and I feel like
you know there are Python examples to fix already.
Do you mind if I ask that they were just mistakenly missed?
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