# SupervisedEstimator Implementations ## Topics ### Instance Methods [`func decode(from: inout any EstimatorDecoder) throws -> LinearTimeSeriesForecaster.Transformer`](/documentation/CreateMLComponents/LinearTimeSeriesForecaster/decode(from:)) Decodes a previously fitted model. [`func encode(LinearTimeSeriesForecaster.Transformer, to: inout any EstimatorEncoder) throws`](/documentation/CreateMLComponents/LinearTimeSeriesForecaster/encode(_:to:)) Encodes a fitted model. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)