Re: aggregation tool

Jonathan Chetwynd wrote:


Can any statistician explain the clockwork regularity of many of these
sites' popularity? 
http://traffic.alexa.com/ <http://traffic.alexa.com/>
graph?u=apple.com&u=dell.com&u=ibm.com&u=hp.com&u=sony.com 
Most appear to have a sinusoidal curve with a period of a month. 
Sony's is a poor fit, and Apple's maybe stochastic. 




Stats perhaps dominated by web crawlers (.e.g. Google)  ?

Rick



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