Figure 13.

Cumulative distribution function of access scores in an arbitrary week of the EHR. This figure reports the frequency of access scores, as a cumulative distribution function for one week of the EHR dataset. In this figure, the x-axis corresponds to the access scores. The y-axis corresponds the fraction of the scores with value less than a specific score Xi.

Chen et al. Security Informatics 2012 1:5   doi:10.1186/2190-8532-1-5
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