From: A novel metric to measure spatio-temporal proximity: a case study analyzing children’s social network in schoolyards
S
\(S_{out}\)
A
B
C
D
0
0.85
0.1
0.83
0.594
0.141
0.48
0.241
0.43
1.2
0.579
0.7
0.2
0.333
\(S_{in}\)
0.114
0.66
0.133
0.84