update perhitungan kmeans controller

app/Http/Controllers/CuranmorController.php

@@ -16,7 +16,7 @@ class CuranmorController extends Controller
      */
     public function index()
     {
-        $curanmors = Curanmor::orderBy('jumlah_curanmor', 'asc')->get();
+        $curanmors = Curanmor::orderBy('jumlah_curanmor', 'desc')->get();
         return view('admin.dashboardListCuranmor', compact('curanmors'));
         
     }

app/Http/Controllers/CurasController.php

@@ -16,7 +16,7 @@ class CurasController extends Controller
      */
     public function index()
     {
-        $curases = Curas::orderBy('jumlah_curas', 'asc')->get();
+        $curases = Curas::orderBy('jumlah_curas', 'desc')->get();
         return view('admin.dashboardListCuras', compact('curases'));
 
     }

app/Http/Controllers/KmeansController.php

@@ -11,14 +11,23 @@ class KmeansController extends Controller
 {
     public function KMeansCuras()
 {
+
     $data = Curas::select('id', 'kecamatan_id', 'klaster_id', 'jumlah_curas')->orderBy('jumlah_curas', 'asc')->get();
 
     $k = Klaster::count('id');
     $maxIterasi = 100;
-        $centroids = $data->random($k)->values()->map(function ($item) {
-            return [
-                'jumlah_curas' => $item->jumlah_curas,
-            ];
+
+    // Simpan centroid awal ke variabel terpisah
+    $uniqueJumlahCuras = $data->pluck('jumlah_curas')->unique()->shuffle()->take($k)->values();
+
+    $initialCentroids = $uniqueJumlahCuras->map(function ($jumlah) {
+        return ['jumlah_curas' => $jumlah];
+    });
+
+
+    // Salin untuk digunakan dalam proses iterasi
+    $centroids = $initialCentroids->map(function ($item) {
+        return $item;
     });
 
     $iterasi = [];
@@ -46,15 +55,12 @@ public function KMeansCuras()
             $currentAssignment[$item->id] = $clusterNumber;
         }
 
-            // ✨ Cek konvergensi: jika assignment sekarang == sebelumnya, break
         if ($currentAssignment === $prevAssignment) {
             break;
         }
 
         $prevAssignment = $currentAssignment;
 
-            
-
         // Update centroid berdasarkan rata-rata
         foreach ($clustered as $key => $group) {
             $avg = collect($group)->avg('jumlah_curas');
@@ -66,32 +72,41 @@ public function KMeansCuras()
         }
     }
 
-
-        // Final mapping centroid ke klaster_id (aman/sedang/rawan)
+    // Final mapping centroid ke klaster_id
     $finalCentroids = $centroids->map(function ($item, $index) {
         return ['index' => $index + 1, 'jumlah_curas' => $item['jumlah_curas']];
     })->sortBy('jumlah_curas')->values();
 
     $centroidToKlaster = [];
-
     foreach ($finalCentroids as $i => $centroid) {
-            // Klaster ID mulai dari 1 (asumsi klaster di DB bernomor 1, 2, 3, ...)
         $centroidToKlaster[$centroid['index']] = $i + 1;
     }
 
-
-        // Update ke database
     foreach ($data as $item) {
         Curas::where('id', $item->id)->update([
             'klaster_id' => $centroidToKlaster[$item->temp_klaster],
         ]);
     }
 
-        session(['hasil_iterasi' => $iterasi]);
+    // Simpan hasil iterasi dan centroid awal ke session
+    session([
+        'hasil_iterasi' => $iterasi,
+        'centroid_awal' => $initialCentroids
+    ]);
 
-        return response()->json($iterasi);
+    // Format ulang centroid awal dengan label 'Centroid 1', dst.
+    $formattedInitialCentroids = [];
+    foreach ($initialCentroids as $i => $centroid) {
+        $formattedInitialCentroids['Centroid ' . ($i + 1)] = $centroid['jumlah_curas'];
     }
 
+    return response()->json([
+        'centroid_awal' => $formattedInitialCentroids,
+        'hasil_iterasi' => $iterasi,
+    ]);
+}
+
+
     public function KMeansCuranmor()
 {
     $data = Curanmor::select('id', 'kecamatan_id', 'klaster_id', 'jumlah_curanmor')->orderBy('jumlah_curanmor', 'asc')->get();

resources/views/Admin/login.blade.php

@@ -8,10 +8,10 @@
       content="width=device-width, initial-scale=1, shrink-to-fit=no"
     />
     <title>
-      Markethon - Digital Marketing Agency Responsive HTML5 Template
+      KPROTECT | Probolinggo Threat & Crime Tracker
     </title>
     <!-- Favicon -->
-    <link rel="shortcut icon" href="{{ asset('assets/assetLanding/images/favicon.ico') }}" />
+    <link rel="shortcut icon" href="{{ asset('assets/assetLanding/images/favicon2.png') }}" />
     <!-- Bootstrap CSS -->
     <link rel="stylesheet" href="{{ asset('assets/assetLanding/css/bootstrap.min.css') }}" />
     <!-- Typography CSS -->