public sealed class TimestampSplit : IMessage<TimestampSplit>, IEquatable<TimestampSplit>, IDeepCloneable<TimestampSplit>, IBufferMessage, IMessage
Reference documentation and code samples for the Vertex AI v1beta1 API class TimestampSplit.
Assigns input data to training, validation, and test sets based on a
provided timestamps. The youngest data pieces are assigned to training set,
next to validation set, and the oldest to the test set.
Required. The key is a name of one of the Dataset's data columns.
The values of the key (the values in the column) must be in RFC 3339
date-time format, where time-offset = "Z"
(e.g. 1985-04-12T23:20:50.52Z). If for a piece of data the key is not
present or has an invalid value, that piece is ignored by the pipeline.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-14 UTC."],[[["\u003cp\u003eThis documentation covers the \u003ccode\u003eTimestampSplit\u003c/code\u003e class, which is part of the Vertex AI v1beta1 API and is used for assigning data to training, validation, and test sets based on timestamps.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eTimestampSplit\u003c/code\u003e is designed for tabular datasets, assigning the most recent data to the training set, the next most recent to the validation set, and the oldest to the test set.\u003c/p\u003e\n"],["\u003cp\u003eThe class includes properties like \u003ccode\u003eKey\u003c/code\u003e, \u003ccode\u003eTestFraction\u003c/code\u003e, \u003ccode\u003eTrainingFraction\u003c/code\u003e, and \u003ccode\u003eValidationFraction\u003c/code\u003e, which are used to define the timestamp column and fractions of data for each set.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eKey\u003c/code\u003e property in \u003ccode\u003eTimestampSplit\u003c/code\u003e specifies the column in the dataset that contains timestamps, which must be in RFC 3339 \u003ccode\u003edate-time\u003c/code\u003e format, and if a piece of data does not have this key or has an invalid value it will be ignored.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eTimestampSplit\u003c/code\u003e class has two constructors, a default constructor \u003ccode\u003eTimestampSplit()\u003c/code\u003e and a copy constructor \u003ccode\u003eTimestampSplit(TimestampSplit other)\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
