Amazon Forecast
Developer Guide


Provides information about the method that featurizes (transforms) a dataset field. The method is part of the FeaturizationPipeline of the Featurization object. If you don't specify FeaturizationMethodParameters, Amazon Forecast uses default parameters.

The following is an example of how you specify a FeaturizationMethod object.


"FeaturizationMethodName": "filling",

"FeaturizationMethodParameters": {"aggregation": "avg", "backfill": "nan"}




The name of the method. The "filling" method is the only supported method.

Type: String

Valid Values: filling

Required: Yes


The method parameters (key-value pairs). Specify these parameters to override the default values. The following list shows the parameters and their valid values. Bold signifies the default value.

  • aggregation: sum, avg, first, min, max

  • frontfill: none

  • middlefill: zero, nan (not a number)

  • backfill: zero, nan

Type: String to string map

Key Length Constraints: Maximum length of 256.

Key Pattern: ^[a-zA-Z0-9\-\_\.\/\[\]\,\\]+$

Value Length Constraints: Maximum length of 256.

Value Pattern: ^[a-zA-Z0-9\-\_\.\/\[\]\,\"\\\s]+$

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following:

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