values.hist(bins=100,alpha=0.3,color=‘g‘,normed=True)报错改为density=Truevalues.hist(bins=100,alpha=0.3,color=‘g‘,density=True)
AttributeError: 'Rectangle' object has no property 'normed'
原文：https://www.cnblogs.com/nicole-zhang/p/15213931.html
