app/views/tasks/administrator/project_classification/index.html.erb
<%= content_for :head do -%>
<%= javascript_include_tag "https://cdnjs.cloudflare.com/ajax/libs/Chart.js/3.7.1/chart.min.js", "chartjs" %>
<% end %>
<h1>Task [Admin] - Project classification</h1>
<div style="width: 600px;">
<%= pie_chart @data[:taxonworks][:data], title: 'TaxonWorks', download: true, legend: :right %>
</div>
<br>
<% @data[:projects].each do |p, d| %>
<div style="float:left; text-align: center; height: 200px; width: 200px;">
<%= pie_chart d[:data], download: true, legend: false, height: "180px", width: "180px" %>
<%= tag.span p %>
</div>
<% end %>