Update README with YAML on main (homepage card)

README.md

@@ -26,9 +26,9 @@ model-index:
       type: gdurkin/fire_risk_properties
     metrics:
     - type: mean_iou
-      value: null
+      value: 0.460028
     - type: fw_iou
-      value: null
+      value: 0.580636
 ---
 
 # Fire-risk Superbuckets Mask2Former (fine-tuned)
@@ -36,10 +36,31 @@ model-index:
 **Base:** `gdurkin/cdl_mask2former_v3_mspc`  
 **Labels:** ['background', 'road_paved', 'dirt_gravel', 'grass_dry', 'grass_healthy', 'vegetation', 'water', 'building_all']
 
-This repo hosts a Mask2Former model fine-tuned on NAIP 512×512 chips for wildfire-related landcover "superbuckets."
+This repo hosts a Mask2Former model fine-tuned on NAIP 512×512 chips for wildfire-related landcover “superbuckets.”
 
 - **Checkpoint source:** `gdurkin/cali_fire_risk@best-20250920_160245`  
-- **Export time:** 2025-09-20 16:30:43Z
+- **Export time:** 2025-09-20 16:40:47Z
+
+## Evaluation
+
+- **mIoU:** 0.4600
+- **FWIoU (frequency-weighted IoU):** 0.5806
+
+*FWIoU* is the mean IoU weighted by each class's pixel frequency:  sum_c f_c * IoU_c.
+It emphasizes overall pixelwise accuracy while still penalizing mistakes.
+
+### Per-class IoU
+
+| id | label | IoU | support |
+|---:|:------|----:|--------:|
+| 0 | background | 0.0000 | 172666 |
+| 1 | road_paved | 0.6855 | 80261762 |
+| 2 | dirt_gravel | 0.3848 | 57473062 |
+| 3 | grass_dry | 0.2654 | 22281420 |
+| 4 | grass_healthy | 0.4975 | 40281607 |
+| 5 | vegetation | 0.6658 | 47722088 |
+| 6 | water | 0.4366 | 3090841 |
+| 7 | building_all | 0.7445 | 59095050 |
 
 ## Usage