{
  "test_window_days": 14,
  "split_note": "train=all but last 14 days; test=last 14 days",
  "metric": "sMAPE (%)",
  "baselines": {
    "posts_total": {
      "seasonal_naive_smape": 48.74,
      "ma7_smape": 36.71
    },
    "distinct_authors": {
      "seasonal_naive_smape": 22.51,
      "ma7_smape": 17.53
    },
    "comments_total": {
      "seasonal_naive_smape": 24.42,
      "ma7_smape": 25.84
    }
  }
}