# MinMaxScaler.Transformer A transformer that scales the input values so that they all lie in a closed range. ``` struct Transformer ``` ## Topics ### Creating a transformer [`init(desiredRange: ClosedRange, fittedRange: ClosedRange)`](/documentation/CreateMLComponents/MinMaxScaler/Transformer/init(desiredRange:fittedRange:)) Creates a minmax scaling transformer. ### Getting the properties [`var desiredRange: ClosedRange`](/documentation/CreateMLComponents/MinMaxScaler/Transformer/desiredRange) The desired range of transformed values. [`var fittedRange: ClosedRange`](/documentation/CreateMLComponents/MinMaxScaler/Transformer/fittedRange) The fitted range derived by the estimator when fitting. ### Performing the transformation [`func applied(to: Element, eventHandler: EventHandler?) -> Element`](/documentation/CreateMLComponents/MinMaxScaler/Transformer/applied(to:eventHandler:)) Scales the input values so that they all lie in the closed range `[minimum, maximum]`. ## Relationships ### Conforms To [`Sendable`](/documentation/Swift/Sendable) [`Copyable`](/documentation/Swift/Copyable) [`Encodable`](/documentation/Swift/Encodable) [`Hashable`](/documentation/Swift/Hashable) [`Transformer`](/documentation/CreateMLComponents/Transformer) [`Equatable`](/documentation/Swift/Equatable) [`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible) [`Escapable`](/documentation/Swift/Escapable) [`Decodable`](/documentation/Swift/Decodable) [`SendableMetatype`](/documentation/Swift/SendableMetatype) --- 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)