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[SPARK-37613][SQL][FOLLOWUP] Supplement docs for regr_count #36258

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[SPARK-37613][SQL][FOLLOWUP] Supplement docs for regr_count #36258

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6 changes: 3 additions & 3 deletions ...src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/linearRegression.scala
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Expand Up @@ -22,10 +22,9 @@ import org.apache.spark.sql.catalyst.expressions.{And, Expression, ExpressionDes
import org.apache.spark.sql.catalyst.trees.BinaryLike
import org.apache.spark.sql.types.{AbstractDataType, DoubleType, NumericType}

// scalastyle:off line.size.limit
@ExpressionDescription(
usage = """
_FUNC_(expr) - Returns the number of non-null number pairs in a group.
""",
usage = "_FUNC_(y, x) - Returns the number of non-null number pairs in a group, where `y` is the dependent variable and `x` is the independent variable.",
examples = """
Examples:
> SELECT _FUNC_(y, x) FROM VALUES (1, 2), (2, 2), (2, 3), (2, 4) AS tab(y, x);
Expand All @@ -37,6 +36,7 @@ import org.apache.spark.sql.types.{AbstractDataType, DoubleType, NumericType}
""",
group = "agg_funcs",
since = "3.3.0")
// scalastyle:on line.size.limit
case class RegrCount(left: Expression, right: Expression)
extends AggregateFunction
with RuntimeReplaceableAggregate
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