It is difficult, if not impossible, to estimate the size of the crowd that stormed Capitol Hill

It is very difficult to estimate the size of the crowd that stormed Capital Hill because there is no aerial imagery. Pacific Press/LightRocket via Getty Images Editor’s note: Stephen Doig is a data journalist and journalism professor at Arizona State University. In this interview, he explains good techniques for estimating crowd sizes, and why the absence of aerial imagery makes it difficult to estimate the size of the crowd that stormed Capitol Hill on Wednesday. Journalism professor Stephen Doig explains how crowd sizes are estimated and why it is particularly difficult in the case of the mo…

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HEDGE accordingly