Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/13393#discussion_r66687946
--- Diff: examples/src/main/python/ml/aft_survival_regression.py ---
@@ -19,7 +19,7 @@
# $example on$
from pyspark.ml.regression import AFTSurvivalRegression
-from pyspark.mllib.linalg import Vectors
+from pyspark.ml.linalg import Vectors
--- End diff --
Does this example run for you? It seems broken (not due to your PR
though). Would you mind checking to identify the last time it worked?
```
Traceback (most recent call last):
File
"/Users/josephkb/spark/examples/src/main/python/ml/aft_survival_regression.py",
line 49, in <module>
model = aft.fit(training)
File "/Users/josephkb/spark/python/lib/pyspark.zip/pyspark/ml/base.py",
line 64, in fit
File
"/Users/josephkb/spark/python/lib/pyspark.zip/pyspark/ml/wrapper.py", line 213,
in _fit
File
"/Users/josephkb/spark/python/lib/pyspark.zip/pyspark/ml/wrapper.py", line 210,
in _fit_java
File
"/Users/josephkb/spark/python/lib/py4j-0.10.1-src.zip/py4j/java_gateway.py",
line 933, in __call__
File "/Users/josephkb/spark/python/lib/pyspark.zip/pyspark/sql/utils.py",
line 79, in deco
pyspark.sql.utils.IllegalArgumentException: u'requirement failed: The
number of instances should be greater than 0.0, but got 0.'
```
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