lack of power laws and other popularity problems

Discussion of tails and popularity seems to be maturing into more comprehensive considerations. Folks aiming for uber-geek status might chat about the difference between power laws and log-normal distributions. This difference has similar consequences to the difference between non-stationary and stationary macroeconomic time series. If those terms are obscure to you, you might just chat … Continue reading lack of power laws and other popularity problems

more discussion about tail size

Once again men are heatedly discussing tail size. Just ponder this queston: How large is the long tail? Personally, I’m going to keep looking before I decide for myself. While it’s novel to bring mathematical precision to such matters, unfortunately it seems to me that this mathematical model focuses attention on misleading features. The model … Continue reading more discussion about tail size

growth of Internet traffic in Japan

Good, large-sample data on Internet traffic is hard to find. However, an excellent study of Internet traffic in Japan [Cho et. al. (2006)] describes 42% of Japanese (public) Internet traffic for six one-month observations spanning Sept. 2004 to May 2006. This study reports many important facts. The ratio of bytes sent to residential customers to … Continue reading growth of Internet traffic in Japan