Select your cookie preferences

We use essential cookies and similar tools that are necessary to provide our site and services. We use performance cookies to collect anonymous statistics, so we can understand how customers use our site and make improvements. Essential cookies cannot be deactivated, but you can choose “Customize” or “Decline” to decline performance cookies.

If you agree, AWS and approved third parties will also use cookies to provide useful site features, remember your preferences, and display relevant content, including relevant advertising. To accept or decline all non-essential cookies, choose “Accept” or “Decline.” To make more detailed choices, choose “Customize.”

ErrorMetric

Focus mode
ErrorMetric - Amazon Forecast

Amazon Forecast is no longer available to new customers. Existing customers of Amazon Forecast can continue to use the service as normal. Learn more"

Amazon Forecast is no longer available to new customers. Existing customers of Amazon Forecast can continue to use the service as normal. Learn more"

Provides detailed error metrics to evaluate the performance of a predictor. This object is part of the Metrics object.

Contents

ForecastType

The Forecast type used to compute WAPE, MAPE, MASE, and RMSE.

Type: String

Length Constraints: Minimum length of 2. Maximum length of 4.

Pattern: (^0?\.\d\d?$|^mean$)

Required: No

MAPE

The Mean Absolute Percentage Error (MAPE)

Type: Double

Required: No

MASE

The Mean Absolute Scaled Error (MASE)

Type: Double

Required: No

RMSE

The root-mean-square error (RMSE).

Type: Double

Required: No

WAPE

The weighted absolute percentage error (WAPE).

Type: Double

Required: No

See Also

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

On this page

PrivacySite termsCookie preferences
© 2025, Amazon Web Services, Inc. or its affiliates. All rights reserved.