--- a/python/moving.py	Fri May 23 17:33:11 2014 -0400
+++ b/python/moving.py	Wed May 28 17:46:38 2014 -0400
@@ -805,11 +805,15 @@
         at constant speed'''
         return predictPositionNoLimit(nTimeSteps, self.getPositionAtInstant(instant), self.getVelocityAtInstant(instant), externalAcceleration)
 
-    def classifyUserTypeSpeed(self, threshold, statisticsFunc = median):
+    def classifyUserTypeSpeed(self, threshold, statisticsFunc = median, ignoreNInstantsAtEnds = 0):
         '''Classifies slow and fast road users
         slow: non-motorized -> pedestrians
         fast: motorized -> cars'''
-        if statisticsFunc(self.velocities.norm()) >= threshold:
+        if ignoreNInstantsAtEnds > 0:
+            speeds = self.velocities.norm()[ignoreNInstantsAtEnds:-ignoreNInstantsAtEnds]
+        else:
+            speeds = self.velocities.norm()
+        if statisticsFunc(speeds) >= threshold:
             self.setUserType(userType2Num['car'])
         else:
             self.setUserType(userType2Num['pedestrian'])