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https://issues.apache.org/jira/browse/SPARK-13646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15177573#comment-15177573
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Abou Haydar Elias commented on SPARK-13646:
-------------------------------------------
I'm trying to run the ./dev/run-test but it is blocking me with the following :
Traceback (most recent call last):
File "./dev/run-tests.py", line 587, in <module>
main()
File "./dev/run-tests.py", line 489, in main
run_cmd([os.path.join(SPARK_HOME, "R", "install-dev.sh")])
File
"/media/eliasah/Transcend/github/eliasah/spark/dev/sparktestsupport/shellutils.py",
line 84, in run_cmd
return subprocess_check_call(cmd)
File "/usr/lib/python2.7/subprocess.py", line 535, in check_call
retcode = call(*popenargs, **kwargs)
File "/usr/lib/python2.7/subprocess.py", line 522, in call
return Popen(*popenargs, **kwargs).wait()
File "/usr/lib/python2.7/subprocess.py", line 710, in __init__
errread, errwrite)
File "/usr/lib/python2.7/subprocess.py", line 1327, in _execute_child
raise child_exception
OSError: [Errno 13] Permission denied
> QuantileDiscretizer counts dataset twice in getSampledInput
> -----------------------------------------------------------
>
> Key: SPARK-13646
> URL: https://issues.apache.org/jira/browse/SPARK-13646
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 1.6.0
> Reporter: Abou Haydar Elias
> Priority: Trivial
> Labels: patch, performance
>
> getSampledInput counts the dataset twice as you see
> [here](https://github.com/apache/spark/blob/master/mllib/src/main/scala/org/apache/spark/ml/feature/QuantileDiscretizer.scala#L116)
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