values.hist(bins=100,alpha=0.3,color='g',normed=True)
报错改为density=True
values.hist(bins=100,alpha=0.3,color='g',density=True)
values.hist(bins=100,alpha=0.3,color='g',normed=True)
报错改为density=True
values.hist(bins=100,alpha=0.3,color='g',density=True)