Github user maropu commented on a diff in the pull request: https://github.com/apache/spark/pull/21054#discussion_r185399774 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/Corr.scala --- @@ -22,18 +22,14 @@ import org.apache.spark.sql.catalyst.expressions._ import org.apache.spark.sql.types._ /** - * Compute Pearson correlation between two expressions. + * Basee class for computing Pearson correlation between two expressions. --- End diff -- nit: `Basee` -> `Base`?
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