lambda_func

lambda_func

LambdaProcessor

LambdaProcessor(
    dataframe: DataFrame, time_column: str = "systime"
)

Bases: Base

Provides class methods for applying lambda or callable functions to columns in a pandas DataFrame. This class inherits from Base, ensuring consistency with other processors.

apply_function classmethod

apply_function(
    dataframe: DataFrame,
    value_column: str,
    func: Callable[[Any], Any],
) -> pd.DataFrame

Applies a lambda or callable function to a specified column in the DataFrame.

Parameters:

Name	Type	Description	Default
dataframe	DataFrame	The DataFrame containing the data.	required
value_column	str	The name of the column to apply the function to.	required
func	Callable	The lambda function or callable to apply to the column.	required

Returns:

Type	Description
DataFrame	pd.DataFrame: A copy of the DataFrame with the transformed column (the input frame is not modified).

Raises:

Type	Description
ColumnNotFoundError	If the column is missing.