split_stats.json

{
  "train": {
    "examples": 44160,
    "positive": 37020,
    "negative_only": 7140,
    "positive_spans": 60894,
    "neg_ratio": 0.193
  },
  "val": {
    "examples": 8911,
    "positive": 7501,
    "negative_only": 1410,
    "positive_spans": 12118,
    "neg_ratio": 0.188
  },
  "holdout": {
    "examples": 9249,
    "positive": 7807,
    "negative_only": 1442,
    "positive_spans": 12624,
    "neg_ratio": 0.185
  }
}