Makoto Yui created HIVEMALL-78:
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Summary: Support AUC BinaryClassificationMetrics
Key: HIVEMALL-78
URL: https://issues.apache.org/jira/browse/HIVEMALL-78
Project: Hivemall
Issue Type: New Feature
Reporter: Makoto Yui
Assignee: Takuya Kitazawa
Priority: Minor
http://www.citeulike.org/user/myui/article/12615084
https://github.com/apache/spark/blob/master/mllib/src/main/scala/org/apache/spark/mllib/evaluation/BinaryClassificationMetrics.scala
{code:sql}
select
auc(fp, tp) as area -- auc is UDAF, input is sorted by fp asc
from (
select
fp, tp
from
data
DISTRIBUTE BY
floor(fp / 0.2) -- 5 bins
SORT BY
fp ASC
) t
{code}
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