Merge branch 'master' into 'main'HEADmain

readme

See merge request zyq/time_series_anomaly_detection!1

1 files changed, 23 insertions, 0 deletions

diff --git a/evaluation/affiliation.py b/evaluation/affiliation.py
new file mode 100644
index 0000000..362330e
--- /dev/null
+++ b/evaluation/affiliation.py
@@ -0,0 +1,23 @@
+from .affiliation_bin.generics import convert_vector_to_events
+from .affiliation_bin.metrics import pr_from_events
+
+
+def evaluate(y_true: list, y_pred: list) -> float:
+    """
+    F1PA评估方法，经过point adjust调整标签后再用F1评分
+    :param y_true: 真实标签
+    :param y_pred: 检测标签
+    :return: affiliation的三个score
+    """
+    true, pred = y_true.copy(), y_pred.copy()
+    events_pred = convert_vector_to_events(pred)
+    events_gt = convert_vector_to_events(true)
+    Trange = (0, len(pred))
+
+    res = pr_from_events(events_pred, events_gt, Trange)
+    aff_precision = res["precision"]
+    aff_recall = res["recall"]
+    if aff_recall == 0 or aff_precision == 0:
+        return 0
+    aff_f1 = 2 * aff_precision * aff_recall / (aff_precision + aff_recall)
+    return aff_f1
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