Add analysis (Macro F1: 0.8782)

.gitattributes

@@ -34,3 +34,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
 analysis/confusion_matrix.png filter=lfs diff=lfs merge=lfs -text
+analysis/length_bias.png filter=lfs diff=lfs merge=lfs -text

analysis/classification_report.txt

@@ -0,0 +1,13 @@
+Model: UnixCoder-MIL
+Macro F1: 0.8782
+
+              precision    recall  f1-score   support
+
+       Human     0.9837    0.9704    0.9770    107885
+      AI-Gen     0.8746    0.8434    0.8587     46770
+      Hybrid     0.7943    0.8706    0.8307     19006
+ Adversarial     0.8264    0.8673    0.8464     26339
+
+    accuracy                         0.9176    200000
+   macro avg     0.8698    0.8879    0.8782    200000
+weighted avg     0.9195    0.9176    0.9182    200000