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Sean Owen commented on SPARK-17987:
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In your example, a predictor is missing, not the predicted value.
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bo song commented on SPARK-17987:
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There is a common case in cross validation, suppose f1 is a
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Sean Owen commented on SPARK-17987:
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This amounts to assuming that any row that has no prediction
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bo song commented on SPARK-17987:
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Thanks for your comments. When evaluation involves in cross
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bo song commented on SPARK-17987:
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Thanks for your comments. When evaluation involves in cross
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https://issues.apache.org/jira/browse/SPARK-17987?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15584956#comment-15584956
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Sean Owen commented on SPARK-17987:
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I think this is on purpose. There's no meaningful way to handle a
