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Returns a DataFrameStatFunctions for statistic functions.
Returns
DataFrameStatFunctions
Examples
import pyspark.sql.functions as f
df = spark.range(3).withColumn("c", f.expr("id + 1"))
type(df.stat)
# <class '...dataframe.DataFrameStatFunctions'>
df.stat.corr("id", "c")
# 1.0