pyspark.sql.DataFrameStatFunctions.cov¶
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DataFrameStatFunctions.cov(col1: str, col2: str) → float¶ Calculate the sample covariance for the given columns, specified by their names, as a double value.
DataFrame.cov()andDataFrameStatFunctions.cov()are aliases.- Parameters
- col1str
The name of the first column
- col2str
The name of the second column