Can anyone explain the out put below to me? The categories individually do not seem to perform well but, how is the final avg/total figure high?
How is this calculated?
Please help.

         precision    recall  f1-score   support

 B-LOC
  0.761     0.801     0.780      2587
B-MISC
  0.646     0.726     0.684      1191
 B-ORG
  0.462     0.498     0.479      1754
 B-PER
  0.585     0.676     0.627      1506
 I-LOC
  0.807     0.677     0.736       622
I-MISC
  0.356     0.319     0.337       276
 I-ORG
  0.716     0.469     0.567      1958
 I-PER
  0.688     0.685     0.687       957
     O
  0.975     0.977     0.976     84141

 avg / total 
 0.938     0.938     0.937     94992