Richard

Thanks for your reply. One more thing I want to know is how to make features. Like a sentence:"ABC" > A label1 B label2 C label3 What's the features for...

@selitvin I'm facing the same problem: Team has parquet data files (and without 'materialize_dataset') with the schema : `Unischema(inferred_schema, [ UnischemaField('label', int32, (), None, True), UnischemaField('feature', str_, (), None, True),...