{ "version": 1, "calibrated": false, "weights": { "punc": 1, "sp": 1, "art": 1, "num": 1, "poss": 1, "prep": 2, "part": 2, "agr": 2, "tense": 2, "form": 2, "pron": 2, "order": 3, "coll": 2, "word": 2, "unnat": 3, "other": 2 }, "groups": { "correctness": [ "punc", "sp", "art", "num", "poss", "prep", "part", "agr", "tense", "form", "pron", "order", "other" ], "usage": ["coll", "word", "unnat"] }, "thresholds": [0.0, 0.4, 0.9, 1.6] }