4.2. Skateparks–skaters network of practice (two-mode network)
The skateparks–skaters network of practice basically traces where the skaters come from and how they are linked with the skateparks they visited. The use of degree highlights which are the locations with the most popularity. According to SNA methods, the degree represents the measure of activity of the actor it represents (Wasserman and Faust, 1994, p. 100).
Figure 8 shows the popularity of London’s skateparks: red nodes represent popular locations, green nodes the less popular locations and the grey squares represent the users’ residences. Also, the degree of each of London’s skateparks is showed in the legend of the map. From 62 mentioned locations, 61 skateparks are in London and one location is in the Netherlands. Thirty-two skateparks have a significant degree, higher than zero (legend of the map).
Moreover, an interesting fact from mapping where the skaters live is that most of the house locations generate a ring around the Undercroft. A ring of 7km from the Undercroft encloses 21 skater’s residences. Consequently, the hypothesis of an important core around the Southbank area seems to be verified with the information collected in the two-mode network of practice (Figure 8).
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