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. 2012 Jan 5;8(1):e1002308. doi: 10.1371/journal.pcbi.1002308

Figure 2. Large-scale behaviour of the experimental system.

Figure 2

(A) The proportion of six-prawn experiments (Inline graphic) with a given number of CW moving prawns over time. For each point in time we calculated the distribution over all trials of the number of CW prawns. This distribution is then plotted as a heat map. (B) The final distribution of experiments with number of CW moving prawns, for three-, six- and twelve-prawn experiments (Inline graphic respectively). Error bars represent the mean and standard deviation for each proportion as calculated from the final ten seconds of the experiments. (C) The average polarisation of experiments with three, six and twelve prawns over time, adjusted by the expected polarisation of randomly oriented prawns.