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. 2011 Mar 17;6(3):e18029. doi: 10.1371/journal.pone.0018029

Figure 3. Precision-recall curves for each cluster solution based on grant-to-article linkages.

Figure 3

To calculate precision-recall, clusters are first ordered by the fraction of articles referencing an NIH grant. Precision is the cumulative fraction of articles referencing the NIH grants, while recall is the cumulative fraction of articles in the cluster solution.