dataeval.data.merge_datasets¶

dataeval.data.merge_datasets(*datasets)¶

Concatenate datasets that share a label vocabulary into one dataset view.

Returns a lazy, read-only AnnotatedDataset that indexes through the given datasets in order. All datasets must already share the same index2label so their integer labels denote the same classes — use dataeval.data.Conform with dataeval.data.Relabel to conform datasets to a common reference vocabulary first.

Parameters:¶

*datasets : AnnotatedDataset¶: Two or more datasets to merge. Each must expose an index2label in its metadata, and all must be equal.

Returns:¶

A concatenated view whose metadata carries the shared index2label.

Return type:¶

AnnotatedDataset

Raises:¶

ValueError – If no datasets are given, or their index2label mappings differ.