snowflake.snowpark.functions.covar_samp¶
- snowflake.snowpark.functions.covar_samp(column1: Union[Column, str], column2: Union[Column, str]) Column[source]¶
Returns the sample covariance for non-null pairs in a group.
Example
>>> from snowflake.snowpark.types import DecimalType >>> df = session.create_dataframe([[1, 2], [1, 2], [4, 5], [2, 3], [3, None], [4, None], [6,4]], schema=["a", "b"]) >>> df.select(covar_samp(col("a"), col("b")).cast(DecimalType(scale=3)).alias("result")).show() ------------ |"RESULT" | ------------ |2.300 | ------------