Github user mpjlu commented on the issue: https://github.com/apache/spark/pull/14597 hi @srowen , we have moved isSorted in ChiSqSelectorModel. There is error message "*** method isSorted(Array[Int])Boolean in class org.apache.spark.mllib.feature.ChiSqSelectorModel does not have a correspondent in current version**". Should we revert it? And we also need to add a new method numTopFeatures() in ChiSqSelector for the following error message: " *** method numTopFeatures()Int in class org.apache.spark.mllib.feature.ChiSqSelector does not have a correspondent in current version**" How do you think about it? Thanks.
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