dirty commit: can't get references to work correctly between any tables

app/presenters/dashboard/analyze/slice/all_data.rb

@@ -0,0 +1,17 @@
+module Analyze
+  module Slice
+    class AllData
+      def to_s
+        'All Data'
+      end
+
+      def slug
+        'all-data'
+      end
+
+      def graphs
+        [Analyze::Graph::AllData.new]
+      end
+    end
+  end
+end

app/presenters/dashboard/analyze/slice/students_and_teachers.rb

@@ -0,0 +1,17 @@
+module Analyze
+  module Slice
+    class StudentsAndTeachers
+      def to_s
+        'Students & Teachers'
+      end
+
+      def slug
+        'students-and-teachers'
+      end
+
+      def graphs
+        [Analyze::Graph::StudentsAndTeachers.new]
+      end
+    end
+  end
+end

app/presenters/dashboard/analyze/slice/students_by_group.rb

@@ -0,0 +1,24 @@
+module Analyze
+  module Slice
+    class StudentsByGroup
+      attr_reader :races, :grades
+
+      def initialize(races:, grades:)
+        @races = races
+        @grades = grades
+      end
+
+      def to_s
+        'Students by Group'
+      end
+
+      def slug
+        'students-by-group'
+      end
+
+      def graphs
+        [Analyze::Graph::StudentsByRace.new(races:), Analyze::Graph::StudentsByGrade.new(grades:)]
+      end
+    end
+  end
+end