ColumnInformation.SamplingKeyColumnName Property
Definition
Important
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The dataset column to use for grouping rows.
If two examples share the same sampling key column name,
they are guaranteed to appear in the same subset (train or test).
This can be used to ensure no label leakage from the train to the test set.
If null, no row grouping will be performed.
public string SamplingKeyColumnName { get; set; }member this.SamplingKeyColumnName : string with get, setPublic Property SamplingKeyColumnName As String