explain

app.py

@@ -267,6 +267,25 @@ With no need for jargon, SSDS delivers tangible value to our fintech operations.
     there is a point at 6500 far from subway and it has negative impact on price, despite is is close to store(dist_stores)
     
     ![1st decision tree](file=./xgb/tree.svg)
+    some how the word doesnt show in web...but this is the first decision tree inside xgboost
+
+    Explain by Top 5 Error Example
+    =============
+    ![](file=./xgb/error_data.png)
+    top feature for top 5 error is age
+    
+    young age has negative impact on price
+    
+    ![](file=./xgb/error_record.png)
+    top 1 error, negative impact for young age in price
+    
+    ![](file=./xgb/error_feature.png)
+    for top 5 error, it is possible that further from subway will have positive in price
+    
+    ![](file=./xgb/error_instance.png)
+    for top 5 error, it is possible young age have negative impact and old age has positive impact in price
+    
+
     """)