Fixes evidentlyai#1319 Add BLEU metric implementation to compute scores for each row and a summary BLEU metric for the dataset. * **New BLEU Metric Implementation** - Create `src/evidently/metrics/bleu_metric.py` to implement the BLEU metric. - Define BLEUMetricResult and BLEUMetric classes. - Implement BLEUMetricRenderer for HTML rendering of BLEU scores. * **Integration with Existing Code** - Update `src/evidently/metric_preset/text_evals.py` to include BLEU metric in the descriptors list. - Update `src/evidently/metrics/__init__.py` to import and reference the BLEU metric. * **Testing** - Add `tests/metrics/test_bleu_metric.py` to include tests for the BLEU metric.

Commits

Commits on Feb 14, 2025

Add BLEU metric to Evidently