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snowflake.snowpark.functions.cume_dist¶

snowflake.snowpark.functions.cume_dist() → Column[source]¶

Finds the cumulative distribution of a value with regard to other values within the same window partition.

Example

>>> from snowflake.snowpark.window import Window
>>> from snowflake.snowpark.types import DecimalType
>>> df = session.create_dataframe([[1, 2], [1, 2], [1,3], [4, 5], [2, 3], [3, 4], [4, 7], [3,7], [4,5]], schema=["a", "b"])
>>> df.select(cume_dist().over(Window.order_by("a")).cast(DecimalType(scale=3)).alias("result")).show()
------------
|"RESULT"  |
------------
|0.333     |
|0.333     |
|0.333     |
|0.444     |
|0.667     |
|0.667     |
|1.000     |
|1.000     |
|1.000     |
------------