摘要：
转自：http://blog.sciencenet.cn/blog-4716-46173.html对于幂率分布的估计问题是个很复杂的问题（..., the empirical detection and characterization of power laws is made difficult by the large fluctuations that occur in the tail of the distribution. In particular, standard methods such as least-squares fitting are known to prod 阅读全文
