public function showDepartment()
 {
     $id = Input::get('department-dropdown');
     $level = 'department';
     $levelName = DB::table('units')->select('unitname')->where('unitid', $id)->first()->unitname;
     //Factors names
     $factors = Factor::select('factorid', 'factorname')->get();
     $factorNames = [];
     foreach ($factors as $factor) {
         $factorNames[$factor->factorid] = $factor->factorname;
     }
     $rawCorrelation[$level][1] = $this->corrEmployment($level, $id);
     if ($rawCorrelation[$level][1] < 0) {
         $correlation[$level][1] = -$rawCorrelation[$level][1];
     } else {
         $correlation[$level][1] = $rawCorrelation[$level][1];
     }
     $rawCorrelation[$level][2] = $this->corrGrades($level, $id);
     if ($rawCorrelation[$level][2] < 0) {
         $correlation[$level][2] = -$rawCorrelation[$level][2];
     } else {
         $correlation[$level][2] = $rawCorrelation[$level][2];
     }
     $rawCorrelation[$level][3] = $this->corrStbracket($level, $id);
     if ($rawCorrelation[$level][3] < 0) {
         $correlation[$level][3] = -$rawCorrelation[$level][3];
     } else {
         $correlation[$level][3] = $rawCorrelation[$level][3];
     }
     $rawCorrelation[$level][4] = $this->corrRegion($level, $id);
     if ($rawCorrelation[$level][4] < 0) {
         $correlation[$level][4] = -$rawCorrelation[$level][4];
     } else {
         $correlation[$level][4] = $rawCorrelation[$level][4];
     }
     $rawCorrelation[$level][6] = $this->corrUnits($level, $id);
     if ($rawCorrelation[$level][6] < 0) {
         $correlation[$level][6] = -$rawCorrelation[$level][6];
     } else {
         $correlation[$level][6] = $rawCorrelation[$level][6];
     }
     $rawCorrelation[$level][8] = $this->corrUnemployment($level, $id);
     if ($rawCorrelation[$level][8] < 0) {
         $correlation[$level][8] = -$rawCorrelation[$level][8];
     } else {
         $correlation[$level][8] = $rawCorrelation[$level][8];
     }
     $rawCorrelation[$level][7] = $this->corrHighGrades($level, $id);
     if ($rawCorrelation[$level][7] < 0) {
         $correlation[$level][7] = -$rawCorrelation[$level][7];
     } else {
         $correlation[$level][7] = $rawCorrelation[$level][7];
     }
     $rawCorrelation[$level][9] = $this->corrOverloading($level, $id);
     if ($rawCorrelation[$level][9] < 0) {
         $correlation[$level][9] = -$rawCorrelation[$level][9];
     } else {
         $correlation[$level][9] = $rawCorrelation[$level][9];
     }
     return View::make('correlation.correlation-specific', compact('rawCorrelation', 'correlation', 'levelName', 'factorNames', 'level'));
 }