progress?

analyzer/analysis/statistics.py

@@ -29,6 +29,12 @@ class StatisticsEngine:
     
     def _calculate_single_flow_statistics(self, flow: FlowStats) -> None:
         """Calculate statistics for a single flow"""
+        # Ensure timeline statistics are calculated
+        if len(flow.timestamps) >= 2:
+            flow.duration = flow.timestamps[-1] - flow.timestamps[0]
+            flow.first_seen = flow.timestamps[0]
+            flow.last_seen = flow.timestamps[-1]
+        
         if len(flow.inter_arrival_times) < 2:
             return
         
@@ -36,9 +42,19 @@ class StatisticsEngine:
         flow.avg_inter_arrival = statistics.mean(flow.inter_arrival_times)
         flow.std_inter_arrival = statistics.stdev(flow.inter_arrival_times)
         
+        # Calculate jitter as coefficient of variation (normalized standard deviation)
+        if flow.avg_inter_arrival > 0:
+            flow.jitter = flow.std_inter_arrival / flow.avg_inter_arrival
+        else:
+            flow.jitter = 0.0
+        
         # Detect outliers (frames with inter-arrival time > threshold * std deviations from mean)
         threshold = flow.avg_inter_arrival + (self.outlier_threshold_sigma * flow.std_inter_arrival)
         
+        # Clear existing outliers to recalculate
+        flow.outlier_frames.clear()
+        flow.outlier_details.clear()
+        
         for i, inter_time in enumerate(flow.inter_arrival_times):
             if inter_time > threshold:
                 # Frame number is i+2 because inter_arrival_times[i] is between frame i+1 and i+2