snowflake.snowpark.functions.ln¶

snowflake.snowpark.functions.ln(c: Union[Column, None, bool, int, float, str, bytearray, Decimal, date, datetime, time, bytes, NaTType, float64, list, tuple, dict]) → Column[source] (https://github.com/snowflakedb/snowpark-python/blob/v1.40.0/src/snowflake/snowpark/functions.py#L7809-L7826)¶

Returns the natrual logarithm of given column expression.

Example::

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>>> from snowflake.snowpark.functions import ln
>>> from math import e
>>> df = session.create_dataframe([[e]], schema=["ln_value"])
>>> df.select(ln(col("ln_value")).alias("result")).show()
------------
|"RESULT"  |
------------
|1.0       |
------------

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