Add error rate calculation script.
Add error rate calculation script.

kuke/models,PaddlePaddle/models,Superjom/models-1,xinghai-sun/models,Superjom/models-1,Superjom/models-1,lcy-seso/models,lcy-seso/models,kuke/models,kuke/models,PaddlePaddle/models,lcy-seso/models,qingqing01/models,kuke/models,xinghai-sun/models,xinghai-sun/models,qingqing01/models,qingqing01/models,PaddlePaddle/models,xinghai-sun/models