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<% max = 5 %>

      # Transform events list into hash from project id to number of

      # occurrences of project in list (there is surely a tidier way

      # to do this, e.g. chunk() in Ruby 1.9 but not in 1.8)

      phash = events.map { |e| e.project unless !e.respond_to?(:project) }.sort.group_by { |p| p.id }

      phash = phash.merge(phash) { |k,v| v.length }

      threshold = phash.values.sort.last(max).first

      busy = phash.keys.select { |k| phash[k] >= threshold }.sample(max)

      for id in busy

        project = Project.find(id)

<% max = 5 %>

      authors = events.map { |e| e.event_author unless !e.respond_to?(:event_author) }.compact

      institutions = authors.map { |a| a.ssamr_user_detail.institution_name }

      insthash = institutions.compact.sort.group_by { |i| i }

      insthash = insthash.merge(insthash) { |k,v| v.length }

      threshold = insthash.values.sort.last(max).first

      busy = insthash.keys.select { |k| insthash[k] >= threshold }.sample(max)

      for institution in busy