Teradata Package for Python Function Reference on VantageCloud Lake - __rmul__ - Teradata Package for Python - Look here for syntax, methods and examples for the functions included in the Teradata Package for Python.
Teradata® Package for Python Function Reference on VantageCloud Lake
- Deployment
- VantageCloud
- Edition
- Lake
- Product
- Teradata Package for Python
- Release Number
- 20.00.00.03
- Published
- December 2024
- ft:locale
- en-US
- ft:lastEdition
- 2024-12-19
- dita:id
- TeradataPython_FxRef_Lake_2000
- Product Category
- Teradata Vantage
- teradataml.dataframe.sql.DataFrameColumn.__rmul__ = __rmul__(self, other)
- Compute the product between two ColumnExpressions using *.
PARAMETERS:
other:
Required Argument.
Specifies Python literal or another ColumnExpression.
Types: ColumnExpression, Python literal
RETURNS:
ColumnExpression
RAISES:
Exception
A TeradataMlException gets thrown if SQLAlchemy
throws an exception when evaluating the expression.
EXAMPLES:
# Example 1: Double the income and assign increased
# income to new column 'double_income'.
>>> df.assign(double_income=df.income * 2)
start_time_column end_time_column expenditure income investment double_income
id
3 67/06/30 07/07/10 434.0 485.0 185.0 970.0
2 67/06/30 07/07/10 421.0 465.0 179.0 930.0
1 67/06/30 07/07/10 415.0 451.0 180.0 902.0
5 67/06/30 07/07/10 459.0 509.0 211.0 1018.0
4 67/06/30 07/07/10 448.0 493.0 192.0 986.0
# Example 2: Filter out the rows after increasing the income by 10% is greater than 500.
>>> df[(df.income + df.income * 0.1) > 500]
start_time_column end_time_column expenditure income investment
id
2 67/06/30 07/07/10 421.0 465.0 179.0
4 67/06/30 07/07/10 448.0 493.0 192.0
3 67/06/30 07/07/10 434.0 485.0 185.0
5 67/06/30 07/07/10 459.0 509.0 211.0