Remove velo outliers

plotting.py

@@ -93,9 +93,11 @@ def plot_loc(ax, locs):
 def plot_velo(ax, velos):
   trans = transforms.blended_transform_factory(ax.transData, ax.transAxes)
   for (pitch,), _velos in velos.group_by('general_ballKind_code'):
+    _velos = _velos.filter(((pl.col('ballSpeed_mph') - pl.col('ballSpeed_mph').mean())/ pl.col('ballSpeed_mph').std()).abs() < 3)
+
     if len(_velos) <= 1:
       continue
-
+    
     violin = ax.violinplot(_velos['ballSpeed_mph'], orientation='horizontal', side='high', showextrema=False)
     for _violin in violin['bodies']:
       _violin.set_facecolor(ball_kind_code_to_color[pitch])