["size_categories:1K<n<10K", "format:parquet", "modality:text", "modality:timeseries", "library:datasets", "library:dask", "library:mlcroissant", "library:polars", "region:us"]
[{"name": "item_id", "dtype": "string"}, {"name": "start", "dtype": "string"}, {"name": "freq", "dtype": "string"}, {"name": "target", "sequence": "float32"}]