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. 2014 Jul 7;9(7):e100915. doi: 10.1371/journal.pone.0100915

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© 2014 Sekara, Lehmann

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Properties are highly dynamic but on average we observe nodes and links per time-bin. A: Number of nodes as a function of time. Only active nodes are counted, i.e. people that have observed another person or been observed themselves. Dynamics are shown for two weeks during the 2013 spring semester, clearly depicting both daily and weekly patterns. Data markers are omitted to avoid visual clutter. On average thresholding removes nodes during weekends and holidays, and during regular weekdays. B: Number of links as a function of time. links are on average removed during weekends/holidays, and are removed during weekdays.

Inline graphic — Properties are highly dynamic but on average we observe nodes and links per time-bin. A: Number of nodes as a function of time. Only active nodes are counted, i.e. people that have observed another person or been observed themselves. Dynamics are shown for two weeks during the 2013 spring semester, clearly depicting both daily and weekly patterns. Data markers are omitted to avoid visual clutter. On average thresholding removes nodes during weekends and holidays, and during regular weekdays. B: Number of links as a function of time. links are on average removed during weekends/holidays, and are removed during weekdays.