public function run()
 {
     Cluster::create(['id' => '1', 'cluster' => '1', 'subcluster' => '2', 'x' => '1', 'y' => '1', 'radar_chart' => 'link1']);
     Cluster::create(['id' => '2', 'cluster' => '1', 'subcluster' => '4', 'x' => '1', 'y' => '2', 'radar_chart' => 'link2']);
     Cluster::create(['id' => '3', 'cluster' => '2', 'subcluster' => '4', 'x' => '2', 'y' => '2', 'radar_chart' => 'link3']);
 }