DateFeatureExtractor

struct · iOS 18.0+ · SDK 27.1

struct DateFeatureExtractor<Scalar> where Scalar : BinaryFloatingPoint

A time and date feature extractor. This transformer takes a <doc://com.apple.documentation/documentation/foundation/date> and extracts floating-point feature values according to the features parameter. Every feature value is roughly between -0.5 and 0.5. All date calculations are based on a <doc://com.apple.documentation/documentation/foundation/calendar>, which defaults to <doc://com.apple.documentation/documentation/foundation/calendar/current>.

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