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Contact matrices among the grades for each school*.

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posted on 2016-03-15, 00:18 authored by Hasan Guclu, Jonathan Read, Charles J. Vukotich Jr, David D. Galloway, Hongjiang Gao, Jeanette J. Rainey, Amra Uzicanin, Shanta M. Zimmer, Derek A. T. Cummings

* Each cell represents number of contacts between the grades per pair of students. The contacts with total duration less than 5 minutes are ignored. Each column and row corresponds to a grade and 0 is used for Kindergarten. C: Charter school; P: Public school; ES: Elementary school; EM: Elementary-middle school; MS: Middle school; HS: High school.