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Figure 2 | EPJ Data Science

Figure 2

From: Academic failures and co-location social networks in campus

Figure 2

Co-location social network structures between students who failed and those who did not. (a) Network modeling procedure. (b) An example of inferred students network. For visualization, only one student with her/his neighbors are shown in the graph. Failed students are in blue and non-failed students are in orange. Edges in orange and blue indicate homogeneous connections and those in grey indicate heterogeneous connections. (c)–(g) The heights of bars represent the average levels for these indicators. Error bars (black) show the 95 percent confidence intervals of mean estimation. Jaccard index of a student in X is defined as the number of overlapping edges of his ego-network between two consecutive semesters divided by the average of number of edges in these two semesters, which measures the stability of a student’s connections in different snapshots of campus network. (h) The blue line shows the CDF of \(\mathit{ratio}_{\mathrm{yes}}\). The orange line shows the CDF of \(\mathit{ratio}_{\mathrm{no}}\). The dashed lines are benchmark ratios. The blue dashed line is \(\mathit{ratio}_{\mathrm{yes}-\mathrm{baseline}}\). and the orange one is \(\mathit{ratio}_{\mathrm{no}-\mathrm{baseline}}\). The horizontal grey dashed line is where the CDF is equal to 0.5

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