Figure 11

Population distribution function for each time slot. The distribution function f is plotted as a function of (a) night population \(m_{0}\), (b) daytime population \(m_{1}\), and (c) evening population \(m_{2}\). Data points, plotted with squares, are fitted to the log-normal and Weibull functions depicted by red and blue lines, respectively, with parameters obtained via maximum likelihood estimation. In (a), the Weibull distribution gives a better description of the night population whereas (b) and (c) show that the log-normal distributions perform better for daytime and evening populations; this is confirmed by \(|\Delta {\mathcal{{A}}}| > 20\)