def _compute()

in metrics/cer/cer.py [0:0]

• 37 lines of code
• 6 McCabe index (conditional complexity)

    def _compute(self, predictions, references, concatenate_texts=False):
        if hasattr(jiwer, "compute_measures"):
            if concatenate_texts:
                return jiwer.compute_measures(
                    references,
                    predictions,
                    truth_transform=cer_transform,
                    hypothesis_transform=cer_transform,
                )["wer"]

            incorrect = 0
            total = 0
            for prediction, reference in zip(predictions, references):
                measures = jiwer.compute_measures(
                    reference,
                    prediction,
                    truth_transform=cer_transform,
                    hypothesis_transform=cer_transform,
                )
                incorrect += measures["substitutions"] + measures["deletions"] + measures["insertions"]
                total += measures["substitutions"] + measures["deletions"] + measures["hits"]

            return incorrect / total
        else:
            if concatenate_texts:
                return jiwer.process_characters(
                    references,
                    predictions,
                ).cer

            incorrect = 0
            total = 0
            for prediction, reference in zip(predictions, references):
                measures = jiwer.process_characters(
                    reference,
                    prediction,
                )
                incorrect += measures.substitutions + measures.deletions + measures.insertions
                total += measures.substitutions + measures.deletions + measures.hits

            return incorrect / total