Teradata Package for Python Function Reference on VantageCloud Lake - character_length - 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.character_length = character_length()
- DESCRIPTION:
Function returns the number of characters in the values of column.
ALTERNATE_NAMES:
char_length
length
RAISES:
TypeError, ValueError, TeradataMlException
RETURNS:
DataFrameColumn
EXAMPLES:
# Load the data to run the example.
>>> load_example_data("dataframe", "admissions_train")
# Create a DataFrame on 'admissions_train' table.
>>> df = DataFrame("admissions_train").iloc[:4]
>>> print(df)
masters gpa stats programming admitted
id
3 no 3.70 Novice Beginner 1
4 yes 3.50 Beginner Novice 1
2 yes 3.76 Beginner Beginner 0
1 yes 3.95 Beginner Beginner 0
# Example 1: Returns length of character string in "programming" column and pass
# it as input to DataFrame.assign().
>>> result = df.assign(col = df.programming.character_length())
>>> print(result)
masters gpa stats programming admitted col
id
3 no 3.70 Novice Beginner 1 8.0
4 yes 3.50 Beginner Novice 1 6.0
2 yes 3.76 Beginner Beginner 0 8.0
1 yes 3.95 Beginner Beginner 0 8.0
# Example 2: Executed character_length() function on "programming" column and filtered computed
# values which are equal to '6.0'.
>>> print(df[df.programming.character_length() == 6.0])
masters gpa stats programming admitted
id
4 yes 3.5 Beginner Novice 1