Frame benchmarking sum instead of mean

Author: mroeschke

asv_bench/benchmarks/frame_methods.py

@@ -19,7 +19,7 @@ def setup(self):
         self.df = DataFrame(np.random.randn(1000, 100))
 
     def time_frame_apply_lambda_mean(self):
-        self.df.apply((lambda x: x.sum()))
+        self.df.apply((lambda x: x.mean()))
 
 
 class frame_apply_np_mean(object):