Update Service Kmeans dan Kmeans Controller

app/Http/Controllers/KmeansController.php

@@ -10,115 +10,136 @@
 class KmeansController extends Controller
 {
     public function KMeansCuras()
-{
+    {
+        $data = Curas::select('id', 'kecamatan_id', 'klaster_id', 'jumlah_curas')->orderBy('jumlah_curas', 'asc')->get();
 
-    $data = Curas::select('id', 'kecamatan_id', 'klaster_id', 'jumlah_curas')->orderBy('jumlah_curas', 'asc')->get();
+        $k = Klaster::count('id');
+        $maxIterasi = 100;
 
-    $k = Klaster::count('id');
+        $uniqueCount = $data->unique('jumlah_curas')->count();
-    $maxIterasi = 100;
+        if ($uniqueCount < $k) {
+            throw new \Exception("Jumlah nilai unik pada 'jumlah_curas' ($uniqueCount) kurang dari jumlah klaster ($k). Pastikan data memiliki variasi yang cukup.");
+        }
 
-    // Simpan centroid awal ke variabel terpisah
+        // Ambil centroid awal yang unik
-    $uniqueJumlahCuras = $data->pluck('jumlah_curas')->unique()->shuffle()->take($k)->values();
+        // Gunakan centroid tetap
 
-    $initialCentroids = $uniqueJumlahCuras->map(function ($jumlah) {
+        $centroidValues = [0, 1, 3];
-        return ['jumlah_curas' => $jumlah];
+        $centroids = collect($centroidValues)->map(function ($val) {
-    });
+            return ['jumlah_curas' => $val];
+        });
 
+        // Simpan centroid awal sebelum iterasi
+        $centroidAwal = $centroids->toArray();
 
-    // Salin untuk digunakan dalam proses iterasi
+        $iterasi = [];
-    $centroids = $initialCentroids->map(function ($item) {
+        $prevAssignment = [];
-        return $item;
-    });
 
-    $iterasi = [];
+        for ($i = 0; $i < $maxIterasi; $i++) {
-    $prevAssignment = [];
+            $clustered = [];
+            $currentAssignment = [];
 
-    for ($i = 0; $i < $maxIterasi; $i++) {
+            foreach ($data as $item) {
-        $clustered = [];
+                $jarak = [];
-        $currentAssignment = [];
 
-        foreach ($data as $item) {
+                foreach ($centroids as $idx => $centroid) {
-            $jarak = [];
+                    $dist = abs($item->jumlah_curas - $centroid['jumlah_curas']);
+                    $jarak["C" . ($idx + 1)] = $dist;
+                }
 
-            foreach ($centroids as $idx => $centroid) {
+                $iterasi[$i][] = array_merge(['kecamatan_id' => $item->kecamatan_id], $jarak);
-                $dist = abs($item->jumlah_curas - $centroid['jumlah_curas']);
+
-                $jarak["jarakC" . ($idx + 1)] = $dist;
+                $minIndex = array_keys($jarak, min($jarak))[0]; // e.g. "jarakC2"
+                $clusterNumber = (int) str_replace("C", "", $minIndex);
+
+                $clustered[$clusterNumber][] = $item;
+                $item->temp_klaster = $clusterNumber;
+                $currentAssignment[$item->id] = $clusterNumber;
             }
 
-            $iterasi[$i][] = array_merge(['kecamatan_id' => $item->kecamatan_id], $jarak);
+            // ✨ Cek konvergensi: jika assignment sekarang == sebelumnya, break
+            if ($currentAssignment === $prevAssignment) {
+                break;
+            }
 
-            $minIndex = array_keys($jarak, min($jarak))[0]; // e.g. "jarakC2"
+            $prevAssignment = $currentAssignment;
-            $clusterNumber = (int) str_replace("jarakC", "", $minIndex);
 
-            $clustered[$clusterNumber][] = $item;
+            
-            $item->temp_klaster = $clusterNumber;
+
-            $currentAssignment[$item->id] = $clusterNumber;
+            // Update centroid berdasarkan rata-rata
+            foreach ($clustered as $key => $group) {
+                $avg = collect($group)->avg('jumlah_curas');
+                $centroids = $centroids->map(function ($item, $index) use ($key, $avg) {
+                    return $index === ($key - 1)
+                        ? ['jumlah_curas' => $avg]
+                        : $item;
+                });
+            }
         }
         
-        if ($currentAssignment === $prevAssignment) {
+
-            break;
+        // Final mapping centroid ke klaster_id (aman/sedang/rawan)
+        $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;
         }
 
-        $prevAssignment = $currentAssignment;
 
-        // Update centroid berdasarkan rata-rata
+        // Update ke database
-        foreach ($clustered as $key => $group) {
+        foreach ($data as $item) {
-            $avg = collect($group)->avg('jumlah_curas');
+            Curas::where('id', $item->id)->update([
-            $centroids = $centroids->map(function ($item, $index) use ($key, $avg) {
+                'klaster_id' => $centroidToKlaster[$item->temp_klaster],
-                return $index === ($key - 1)
+            ]);
-                    ? ['jumlah_curas' => $avg]
-                    : $item;
-            });
         }
+
+
+        $centroidAwalFormatted = collect($centroidAwal)->values()->map(function ($item, $index) {
+            return ['C' . ($index + 1) => $item['jumlah_curas']];
+        });
+        
+
+        $hasil = [
+            'centroid_awal' => $centroidAwalFormatted,
+            'iterasi' => $iterasi
+        ];
+        
+        file_put_contents(
+            storage_path('app/public/hasil_kmeans_curas.json'),
+            json_encode($hasil, JSON_PRETTY_PRINT)
+        );
+
+        return redirect('/dashboard/TampilHitungCuras');
+        
     }
 
-    // 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) {
-        $centroidToKlaster[$centroid['index']] = $i + 1;
-    }
-
-    foreach ($data as $item) {
-        Curas::where('id', $item->id)->update([
-            'klaster_id' => $centroidToKlaster[$item->temp_klaster],
-        ]);
-    }
-
-    // Simpan hasil iterasi dan centroid awal ke session
-    session([
-        'hasil_iterasi' => $iterasi,
-        'centroid_awal' => $initialCentroids
-    ]);
-
-    // 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();
+        $data = Curanmor::select('id', 'kecamatan_id', 'klaster_id', 'jumlah_curanmor')->orderBy('jumlah_curanmor', 'asc')->get();
-    $maxIterasi = 100;
-    $hasilElbow = [];
 
-    for ($k = 1; $k <= 10; $k++) {
+        $k = Klaster::count('id');
-        // Ambil centroid awal secara acak
+        $maxIterasi = 100;
-        $centroids = $data->random($k)->values()->map(function ($item) {
+
-            return ['jumlah_curanmor' => $item->jumlah_curanmor];
+        $uniqueCount = $data->unique('jumlah_curanmor')->count();
+        if ($uniqueCount < $k) {
+            throw new \Exception("Jumlah nilai unik pada 'jumlah_curanmor' ($uniqueCount) kurang dari jumlah klaster ($k). Pastikan data memiliki variasi yang cukup.");
+        }
+
+        $centroidValues = [10, 20, 30];
+        $centroids = collect($centroidValues)->map(function ($val) {
+            return ['jumlah_curanmor' => $val];
         });
 
+        // Simpan centroid awal sebelum iterasi
+        $centroidAwal = $centroids->toArray();
+
+        $iterasi = [];
         $prevAssignment = [];
 
         for ($i = 0; $i < $maxIterasi; $i++) {
@@ -130,105 +151,77 @@ public function KMeansCuranmor()
 
                 foreach ($centroids as $idx => $centroid) {
                     $dist = abs($item->jumlah_curanmor - $centroid['jumlah_curanmor']);
-                    $jarak[$idx] = $dist;
+                    $jarak["C" . ($idx + 1)] = $dist;
                 }
 
-                $minIndex = array_keys($jarak, min($jarak))[0];
+                $iterasi[$i][] = array_merge(['kecamatan_id' => $item->kecamatan_id], $jarak);
-                $clustered[$minIndex][] = $item;
+
-                $currentAssignment[$item->id] = $minIndex;
+                $minIndex = array_keys($jarak, min($jarak))[0]; // e.g. "jarakC2"
-                $item->temp_klaster = $minIndex;
+                $clusterNumber = (int) str_replace("C", "", $minIndex);
+
+                $clustered[$clusterNumber][] = $item;
+                $item->temp_klaster = $clusterNumber;
+                $currentAssignment[$item->id] = $clusterNumber;
+            }
+
+            // ✨ Cek konvergensi: jika assignment sekarang == sebelumnya, break
+            if ($currentAssignment === $prevAssignment) {
+                break;
             }
 
-            if ($currentAssignment === $prevAssignment) break;
             $prevAssignment = $currentAssignment;
 
+            
+
+            // Update centroid berdasarkan rata-rata
             foreach ($clustered as $key => $group) {
                 $avg = collect($group)->avg('jumlah_curanmor');
-                $centroids[$key] = ['jumlah_curanmor' => $avg];
+                $centroids = $centroids->map(function ($item, $index) use ($key, $avg) {
+                    return $index === ($key - 1)
+                        ? ['jumlah_curanmor' => $avg]
+                        : $item;
+                });
             }
         }
         
-        // Hitung SSE (Sum of Squared Errors)
+
-        $sse = 0;
+        // Final mapping centroid ke klaster_id (aman/sedang/rawan)
+        $finalCentroids = $centroids->map(function ($item, $index) {
+            return ['index' => $index + 1, 'jumlah_curanmor' => $item['jumlah_curanmor']];
+        })->sortBy('jumlah_curanmor')->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) {
-            $centroidVal = $centroids[$item->temp_klaster]['jumlah_curanmor'];
+            Curanmor::where('id', $item->id)->update([
-            $sse += pow($item->jumlah_curanmor - $centroidVal, 2);
+                'klaster_id' => $centroidToKlaster[$item->temp_klaster],
+            ]);
         }
 
-        $hasilElbow[] = ['k' => $k, 'sse' => $sse];
+
+        $centroidAwalFormatted = collect($centroidAwal)->values()->map(function ($item, $index) {
+            return ['C' . ($index + 1) => $item['jumlah_curanmor']];
+        });
+        
+        $hasil = [
+            'centroid_awal' => $centroidAwalFormatted,
+            'iterasi' => $iterasi
+        ];
+        
+        file_put_contents(
+            storage_path('app/public/hasil_kmeans_curanmor.json'),
+            json_encode($hasil, JSON_PRETTY_PRINT)
+        );
+
+        return redirect('/dashboard/TampilHitungCuranmor');
+        
     }
 
-    // Simpan hasil Elbow Method ke file
-    file_put_contents(storage_path('app/public/hasil_elbow_curanmor.json'), json_encode($hasilElbow, JSON_PRETTY_PRINT));
-
-    // ===================== //
-    // === Hitung k akhir === //
-    // ===================== //
-
-    $k = Klaster::count(); // misalnya 3
-    $centroids = $data->random($k)->values()->map(function ($item) {
-        return ['jumlah_curanmor' => $item->jumlah_curanmor];
-    });
-
-    $iterasi = [];
-    $prevAssignment = [];
-
-    for ($i = 0; $i < $maxIterasi; $i++) {
-        $clustered = [];
-        $currentAssignment = [];
-
-        foreach ($data as $item) {
-            $jarak = [];
-
-            foreach ($centroids as $idx => $centroid) {
-                $dist = abs($item->jumlah_curanmor - $centroid['jumlah_curanmor']);
-                $jarak["jarakC" . ($idx + 1)] = $dist;
-            }
-
-            $iterasi[$i][] = array_merge(['kecamatan_id' => $item->kecamatan_id], $jarak);
-
-            $minIndex = array_keys($jarak, min($jarak))[0];
-            $clusterNumber = (int) str_replace("jarakC", "", $minIndex);
-
-            $clustered[$clusterNumber][] = $item;
-            $item->temp_klaster = $clusterNumber;
-            $currentAssignment[$item->id] = $clusterNumber;
-        }
-
-        if ($currentAssignment === $prevAssignment) {
-            break;
-        }
-
-        $prevAssignment = $currentAssignment;
-
-        foreach ($clustered as $key => $group) {
-            $avg = collect($group)->avg('jumlah_curanmor');
-            $centroids = $centroids->map(function ($item, $index) use ($key, $avg) {
-                return $index === ($key - 1)
-                    ? ['jumlah_curanmor' => $avg]
-                    : $item;
-            });
-        }
-    }
-
-    $finalCentroids = $centroids->map(function ($item, $index) {
-        return ['index' => $index + 1, 'jumlah_curanmor' => $item['jumlah_curanmor']];
-    })->sortBy('jumlah_curanmor')->values();
-
-    $centroidToKlaster = [];
-
-    foreach ($finalCentroids as $i => $centroid) {
-        $centroidToKlaster[$centroid['index']] = $i + 1;
-    }
-
-    foreach ($data as $item) {
-        Curanmor::where('id', $item->id)->update([
-            'klaster_id' => $centroidToKlaster[$item->temp_klaster],
-        ]);
-    }
-
-    session(['hasil_iterasi' => $iterasi]);
-    return $iterasi;
-}
-
 }

app/Http/Controllers/TampilHitunganController.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Kecamatan;
+use Illuminate\Http\Request;
+
+class TampilHitunganController extends Controller
+{
+    public function TampilHitungCuras()
+    {
+        $file = storage_path('app/public/hasil_kmeans_curas.json');
+
+        if (!file_exists($file)) {
+            return abort(404, 'File hasil KMeans tidak ditemukan.');
+        }
+
+        $data = json_decode(file_get_contents($file), true);
+
+        // Ambil nama kecamatan berdasarkan ID
+        $kecamatan = Kecamatan::pluck('nama_kecamatan', 'id')->toArray();
+
+        return view('admin.HitungKmeans.HitunganCuras', compact('data', 'kecamatan'));
+    }
+
+    public function TampilHitungCuranmor()
+    {
+        $file = storage_path('app/public/hasil_kmeans_curanmor.json');
+
+        if (!file_exists($file)) {
+            return abort(404, 'File hasil KMeans tidak ditemukan.');
+        }
+
+        $data = json_decode(file_get_contents($file), true);
+
+        // Ambil nama kecamatan berdasarkan ID
+        $kecamatan = Kecamatan::pluck('nama_kecamatan', 'id')->toArray();
+
+        return view('admin.HitungKmeans.HitunganCuranmor', compact('data', 'kecamatan'));
+    }
+}

app/Http/Controllers/hasilIterasiController.php

@@ -1,17 +0,0 @@
-<?php
-
-namespace App\Http\Controllers;
-
-use Illuminate\Http\Request;
-
-class hasilIterasiController extends Controller
-{
-    public function iterasiCuras()
-    {
-        $iterasi = session('hasil_iterasi');
-        dd($iterasi);
-
-    // Kirim ke view atau proses lainnya
-    return view('admin.dashboarditerasiCuras', compact('iterasi'));
-    }
-}

app/Services/KMeansService.php

@@ -15,11 +15,25 @@ public function hitungKMeansCuras()
 
         $k = Klaster::count('id');
         $maxIterasi = 100;
-        $centroids = $data->random($k)->values()->map(function ($item) {
+
-            return [
+        $uniqueCount = $data->unique('jumlah_curas')->count();
-                'jumlah_curas' => $item->jumlah_curas,
+        if ($uniqueCount < $k) {
-            ];
+            throw new \Exception("Jumlah nilai unik pada 'jumlah_curas' ($uniqueCount) kurang dari jumlah klaster ($k). Pastikan data memiliki variasi yang cukup.");
-        });
+        }
+
+        // Ambil centroid awal yang unik
+        $centroids = $data->unique('jumlah_curas') // Pastikan nilai unik
+                        ->shuffle()                // Acak
+                        ->take($k)                 // Ambil k data
+                        ->values()
+                        ->map(function ($item) {
+                            return [
+                                'jumlah_curas' => $item->jumlah_curas,
+                            ];
+                        });
+
+        // Simpan centroid awal sebelum iterasi
+        $centroidAwal = $centroids->toArray();
 
         $iterasi = [];
         $prevAssignment = [];
@@ -33,13 +47,13 @@ public function hitungKMeansCuras()
 
                 foreach ($centroids as $idx => $centroid) {
                     $dist = abs($item->jumlah_curas - $centroid['jumlah_curas']);
-                    $jarak["jarakC" . ($idx + 1)] = $dist;
+                    $jarak["C" . ($idx + 1)] = $dist;
                 }
 
                 $iterasi[$i][] = array_merge(['kecamatan_id' => $item->kecamatan_id], $jarak);
 
                 $minIndex = array_keys($jarak, min($jarak))[0]; // e.g. "jarakC2"
-                $clusterNumber = (int) str_replace("jarakC", "", $minIndex);
+                $clusterNumber = (int) str_replace("C", "", $minIndex);
 
                 $clustered[$clusterNumber][] = $item;
                 $item->temp_klaster = $clusterNumber;
@@ -88,7 +102,15 @@ public function hitungKMeansCuras()
         }
 
 
-        return $iterasi;
+        $centroidAwalFormatted = collect($centroidAwal)->values()->map(function ($item, $index) {
+            return ['C' . ($index + 1) => $item['jumlah_curas']];
+        });
+        
+        return [
+            'centroid_awal' => $centroidAwalFormatted,
+            'iterasi' => $iterasi
+        ];
+        
     }
 
 
@@ -98,11 +120,25 @@ public function hitungKMeansCuranmor()
 
         $k = Klaster::count('id');
         $maxIterasi = 100;
-        $centroids = $data->random($k)->values()->map(function ($item) {
+
-            return [
+        $uniqueCount = $data->unique('jumlah_curanmor')->count();
-                'jumlah_curanmor' => $item->jumlah_curanmor,
+        if ($uniqueCount < $k) {
-            ];
+            throw new \Exception("Jumlah nilai unik pada 'jumlah_curanmor' ($uniqueCount) kurang dari jumlah klaster ($k). Pastikan data memiliki variasi yang cukup.");
-        });
+        }
+
+        // Ambil centroid awal yang unik
+        $centroids = $data->unique('jumlah_curanmor') // Pastikan nilai unik
+                        ->shuffle()                // Acak
+                        ->take($k)                 // Ambil k data
+                        ->values()
+                        ->map(function ($item) {
+                            return [
+                                'jumlah_curanmor' => $item->jumlah_curanmor,
+                            ];
+                        });
+
+        // Simpan centroid awal sebelum iterasi
+        $centroidAwal = $centroids->toArray();
 
         $iterasi = [];
         $prevAssignment = [];
@@ -116,13 +152,13 @@ public function hitungKMeansCuranmor()
 
                 foreach ($centroids as $idx => $centroid) {
                     $dist = abs($item->jumlah_curanmor - $centroid['jumlah_curanmor']);
-                    $jarak["jarakC" . ($idx + 1)] = $dist;
+                    $jarak["C" . ($idx + 1)] = $dist;
                 }
 
                 $iterasi[$i][] = array_merge(['kecamatan_id' => $item->kecamatan_id], $jarak);
 
                 $minIndex = array_keys($jarak, min($jarak))[0]; // e.g. "jarakC2"
-                $clusterNumber = (int) str_replace("jarakC", "", $minIndex);
+                $clusterNumber = (int) str_replace("C", "", $minIndex);
 
                 $clustered[$clusterNumber][] = $item;
                 $item->temp_klaster = $clusterNumber;
@@ -170,8 +206,162 @@ public function hitungKMeansCuranmor()
             ]);
         }
 
-        session(['hasil_iterasi' => $iterasi]);
 
-        return $iterasi;
+        $centroidAwalFormatted = collect($centroidAwal)->values()->map(function ($item, $index) {
+            return ['C' . ($index + 1) => $item['jumlah_curanmor']];
+        });
+        
+        return [
+            'centroid_awal' => $centroidAwalFormatted,
+            'iterasi' => $iterasi
+        ];
+        
     }
+
+    public function SSEElbowCuras()
+    {
+        $data = Curas::select('id', 'jumlah_curas')->get();
+        $maxK = 10;
+        $maxIterasi = 100;
+        $elbowData = [];
+
+        for ($k = 1; $k <= $maxK; $k++) {
+            // Inisialisasi centroid awal secara acak
+            $centroids = $data->unique('jumlah_curas')->shuffle()->take($k)->values()->map(function ($item) {
+                return ['jumlah_curas' => $item->jumlah_curas];
+            });
+
+            $prevAssignment = [];
+
+            for ($iter = 0; $iter < $maxIterasi; $iter++) {
+                $clustered = [];
+                $currentAssignment = [];
+
+                foreach ($data as $item) {
+                    $jarak = [];
+
+                    foreach ($centroids as $idx => $centroid) {
+                        $dist = abs($item->jumlah_curas - $centroid['jumlah_curas']);
+                        $jarak[$idx] = $dist;
+                    }
+
+                    $minIndex = array_keys($jarak, min($jarak))[0];
+                    $clustered[$minIndex][] = $item;
+                    $currentAssignment[$item->id] = $minIndex;
+                }
+
+                if ($currentAssignment === $prevAssignment) {
+                    break;
+                }
+
+                $prevAssignment = $currentAssignment;
+
+                // Update centroid
+                foreach ($clustered as $key => $group) {
+                    $avg = collect($group)->avg('jumlah_curas');
+                    $centroids = $centroids->map(function ($centroid, $idx) use ($key, $avg) {
+                        return $idx == $key
+                            ? ['jumlah_curas' => $avg]
+                            : $centroid;
+                    });
+                }
+            }
+
+            // Hitung SSE untuk k saat ini
+            $sse = 0;
+            foreach ($clustered as $key => $group) {
+                $centroidVal = $centroids[$key]['jumlah_curas'];
+                foreach ($group as $item) {
+                    $sse += pow($item->jumlah_curas - $centroidVal, 2);
+                }
+            }
+
+            $elbowData[] = [
+                'k' => $k,
+                'sse' => $sse
+            ];
+        }
+
+        // Simpan ke file
+        file_put_contents(
+            storage_path('app/public/sse_elbow_curas.json'),
+            json_encode($elbowData, JSON_PRETTY_PRINT)
+        );
+
+    }
+
+    public function SSEElbowCuranmor()
+    {
+        $data = Curanmor::select('id', 'jumlah_curanmor')->get();
+        $maxK = 10;
+        $maxIterasi = 100;
+        $elbowData = [];
+
+        for ($k = 1; $k <= $maxK; $k++) {
+
+            srand(time());
+            // Inisialisasi centroid awal secara acak
+            $centroids = $data->unique('jumlah_curanmor')->shuffle()->take($k)->values()->map(function ($item) {
+                return ['jumlah_curanmor' => $item->jumlah_curanmor];
+            });
+
+            $prevAssignment = [];
+
+            for ($iter = 0; $iter < $maxIterasi; $iter++) {
+                $clustered = [];
+                $currentAssignment = [];
+
+                foreach ($data as $item) {
+                    $jarak = [];
+
+                    foreach ($centroids as $idx => $centroid) {
+                        $dist = abs($item->jumlah_curanmor - $centroid['jumlah_curanmor']);
+                        $jarak[$idx] = $dist;
+                    }
+
+                    $minIndex = array_keys($jarak, min($jarak))[0];
+                    $clustered[$minIndex][] = $item;
+                    $currentAssignment[$item->id] = $minIndex;
+                }
+
+                if ($currentAssignment === $prevAssignment) {
+                    break;
+                }
+
+                $prevAssignment = $currentAssignment;
+
+                // Update centroid
+                foreach ($clustered as $key => $group) {
+                    $avg = collect($group)->avg('jumlah_curanmor');
+                    $centroids = $centroids->map(function ($centroid, $idx) use ($key, $avg) {
+                        return $idx == $key
+                            ? ['jumlah_curanmor' => $avg]
+                            : $centroid;
+                    });
+                }
+            }
+
+            // Hitung SSE untuk k saat ini
+            $sse = 0;
+            foreach ($clustered as $key => $group) {
+                $centroidVal = $centroids[$key]['jumlah_curanmor'];
+                foreach ($group as $item) {
+                    $sse += pow($item->jumlah_curanmor - $centroidVal, 2);
+                }
+            }
+
+            $elbowData[] = [
+                'k' => $k,
+                'sse' => $sse
+            ];
+        }
+
+        // Simpan ke file
+        file_put_contents(
+            storage_path('app/public/sse_elbow_curanmor.json'),
+            json_encode($elbowData, JSON_PRETTY_PRINT)
+        );
+
+    }
+
 }

database/seeders/DatabaseSeeder.php

@@ -25,6 +25,12 @@ public function run(): void
             CuranmorSeeder::class,
         ]);
 
+        $serviceKMeansCuras = new KMeansService();
+        $hasilKMeansCuras = $serviceKMeansCuras->SSEElbowCuras();
+        
+        $serviceKMeansCuras = new KMeansService();
+        $hasilKMeansCuras = $serviceKMeansCuras->SSEElbowCuranmor();
+
         $serviceKMeansCuras = new KMeansService();
         $hasilKMeansCuras = $serviceKMeansCuras->hitungKMeansCuras();
         file_put_contents(storage_path('app/public/hasil_kmeans_curas.json'), json_encode($hasilKMeansCuras));

database/seeders/KlasterSeeder.php

@@ -18,14 +18,14 @@ public function run(): void
             'warna'=> '#00FF00',
         ]);
         
-        Klaster::create([
+    Klaster::create([
-            'nama_klaster'=> 'Sedang',
+        'nama_klaster'=> 'Sedang',
-            'warna'=> '#FFFF00',
+        'warna'=> '#FFFF00',
-        ]);
+    ]);
     
-        Klaster::create([
+    Klaster::create([
-            'nama_klaster'=> 'Rawan',
+        'nama_klaster'=> 'Rawan',
-            'warna'=> '#FF0000',
+        'warna'=> '#FF0000',
-        ]);
+    ]);
     }
 }

resources/views/admin/HitungKmeans/HitunganCuranmor.blade.php

@@ -0,0 +1,91 @@
+<x-layoutAdmin>    
+    <div class="content-page">
+        <div class="container-fluid">
+        <div class="row">
+            <div class="col-lg-12">
+                <div class="d-flex flex-wrap align-items-center justify-content-between mb-4">
+                    <div>
+                        <h4 class="mb-3">Detail Perhitungan Curanmor</h4>
+                        <p class="mb-0">Berikut merupakan detail perhitungan jarak antar setiap data terhadap setiap centroid pada masing masing iterasi. </p>
+                    </div>
+                    
+                </div>
+                @if (session()->has('succes'))
+                    <div class="alert alert-success" role="alert">
+                        {{ session('succes') }}
+                    </div>
+                @endif
+                @if (session()->has('error'))
+                    <div class="alert alert-danger" role="alert">
+                        {{ session('error') }}
+                    </div>
+                @endif
+            </div>
+            <div class="col-lg-12">
+                <h5>Nilai Centroid Awal</h5>
+                <table class="data-table table mb-0 tbl-server-info">
+                    <thead class="bg-white text-uppercase">
+                        <tr class="ligth ligth-data">
+                            @foreach ($data['centroid_awal'] as $centroid)
+                                <th class="text-center">{{ array_key_first($centroid) }}</th>
+                            @endforeach
+                        </tr>
+                    </thead>
+                    <tbody class="ligth-body">
+                        <tr>
+                            @foreach ($data['centroid_awal'] as $centroid)
+                                <td class="text-center">{{ array_values($centroid)[0] }}</td>
+                            @endforeach
+                        </tr>
+                    </tbody>
+                </table>
+            </div>
+            <div class="col-lg-12">
+                <br><br><br>
+                @foreach ($data['iterasi'] as $index => $iterasi)
+                <h5>Iterasi ke-{{ $index + 1 }}</h5>
+                <div class="table-responsive rounded mb-3">
+                <table class="data-table table mb-0 tbl-server-info">
+                    <thead class="bg-white text-uppercase">
+                        <tr class="ligth ligth-data">
+                            <th>Nama Kecamatan</th>
+                            @foreach (array_keys($iterasi[0]) as $key)
+                                @if ($key !== 'kecamatan_id')
+                                    <th class="text-center">{{ $key }}</th>
+                                @endif
+                            @endforeach
+                            <th>Hasil</th>
+                        </tr>
+                    </thead>
+                    <tbody class="ligth-body">
+                        @foreach ($iterasi as $row)
+                            @php
+                                $minKey = null;
+                                $minVal = INF;
+                                foreach ($row as $key => $val) {
+                                    if (strpos($key, 'C') === 0 && $val < $minVal) {
+                                        $minVal = $val;
+                                        $minKey = $key;
+                                    }
+                                }
+                            @endphp
+                            <tr>
+                                <td class="text-left">{{ $kecamatan[$row['kecamatan_id']] ?? 'Tidak Diketahui' }}</td>
+                                @foreach ($row as $key => $val)
+                                    @if ($key !== 'kecamatan_id')
+                                        <td class="text-center">{{ $val }}</td>
+                                    @endif
+                                @endforeach
+                                <td><strong>{{ strtoupper($minKey) }}</strong></td>
+                            </tr>
+                        @endforeach
+                    </tbody>
+                </table>
+                </div>
+                @endforeach
+            </div>
+        </div>
+        <!-- Page end  -->
+        </div>
+    </div>
+</x-layoutAdmin>

resources/views/admin/HitungKmeans/HitunganCuras.blade.php

@@ -0,0 +1,91 @@
+<x-layoutAdmin>    
+    <div class="content-page">
+        <div class="container-fluid">
+        <div class="row">
+            <div class="col-lg-12">
+                <div class="d-flex flex-wrap align-items-center justify-content-between mb-4">
+                    <div>
+                        <h4 class="mb-3">Detail Perhitungan Curas</h4>
+                        <p class="mb-0">Berikut merupakan detail perhitungan jarak antar setiap data terhadap setiap centroid pada masing masing iterasi. </p>
+                    </div>
+                    
+                </div>
+                @if (session()->has('succes'))
+                    <div class="alert alert-success" role="alert">
+                        {{ session('succes') }}
+                    </div>
+                @endif
+                @if (session()->has('error'))
+                    <div class="alert alert-danger" role="alert">
+                        {{ session('error') }}
+                    </div>
+                @endif
+            </div>
+            <div class="col-lg-12">
+                <h5>Nilai Centroid Awal</h5>
+                <table class="data-table table mb-0 tbl-server-info">
+                    <thead class="bg-white text-uppercase">
+                        <tr class="ligth ligth-data">
+                            @foreach ($data['centroid_awal'] as $centroid)
+                                <th class="text-center">{{ array_key_first($centroid) }}</th>
+                            @endforeach
+                        </tr>
+                    </thead>
+                    <tbody class="ligth-body">
+                        <tr>
+                            @foreach ($data['centroid_awal'] as $centroid)
+                                <td class="text-center">{{ array_values($centroid)[0] }}</td>
+                            @endforeach
+                        </tr>
+                    </tbody>
+                </table>
+            </div>
+            <div class="col-lg-12">
+                <br><br><br>
+                @foreach ($data['iterasi'] as $index => $iterasi)
+                <h5>Iterasi ke-{{ $index + 1 }}</h5>
+                <div class="table-responsive rounded mb-3">
+                <table class="data-table table mb-0 tbl-server-info">
+                    <thead class="bg-white text-uppercase">
+                        <tr class="ligth ligth-data">
+                            <th>Nama Kecamatan</th>
+                            @foreach (array_keys($iterasi[0]) as $key)
+                                @if ($key !== 'kecamatan_id')
+                                    <th class="text-center">{{ $key }}</th>
+                                @endif
+                            @endforeach
+                            <th>Hasil</th>
+                        </tr>
+                    </thead>
+                    <tbody class="ligth-body">
+                        @foreach ($iterasi as $row)
+                            @php
+                                $minKey = null;
+                                $minVal = INF;
+                                foreach ($row as $key => $val) {
+                                    if (strpos($key, 'C') === 0 && $val < $minVal) {
+                                        $minVal = $val;
+                                        $minKey = $key;
+                                    }
+                                }
+                            @endphp
+                            <tr>
+                                <td class="text-left">{{ $kecamatan[$row['kecamatan_id']] ?? 'Tidak Diketahui' }}</td>
+                                @foreach ($row as $key => $val)
+                                    @if ($key !== 'kecamatan_id')
+                                        <td class="text-center">{{ $val }}</td>
+                                    @endif
+                                @endforeach
+                                <td><strong>{{ strtoupper($minKey) }}</strong></td>
+                            </tr>
+                        @endforeach
+                    </tbody>
+                </table>
+                </div>
+                @endforeach
+            </div>
+        </div>
+        <!-- Page end  -->
+        </div>
+    </div>
+</x-layoutAdmin>

resources/views/admin/dashboardTambahKecamatan.blade.php

@@ -1,6 +1,7 @@
 <x-layoutAdmin>
     <div class="content-page">
-     <div class="container-fluid add-form-list">
+     <div class="container-fluid add-form-
+     ">
         <div class="row">
             <div class="col-sm-12">
                 <div class="card">

routes/web.php

@@ -10,20 +10,32 @@
 use App\Http\Controllers\dashboardController;
 use App\Http\Controllers\KecamatanController;
 use App\Http\Controllers\DetailCurasController;
-use App\Http\Controllers\hasilIterasiController;
 use App\Http\Controllers\DetailCuranmorController;
+use App\Http\Controllers\TampilHitunganController;
 
-
+// Route Landing
 Route::get('/', [LandingController::class, 'index']);
-
-Route::resource('/dashboard/detail-curas', DetailCurasController::class)->middleware('auth');
-Route::resource('/dashboard/detail-curanmor', DetailCuranmorController::class)->middleware('auth');
-
-
 Route::get('/blank', function () {
     return view('admin.dashboardBlank');
 });
 
+// Route Auth
+Route::post('/login', [loginController::class, 'authenticate']);
+Route::post('/logout', [loginController::class, 'logout']);
+Route::get('/login', [loginController::class, 'index'])->name('login');
+
+// Route Fitur Utama Controller 
+Route::get('/dashboard', [dashboardController::class, 'index'])->middleware('auth');
+Route::get('/dashboard/TampilHitungCuras', [TampilHitunganController::class, 'TampilHitungCuras'])->middleware('auth');
+Route::get('/dashboard/TampilHitungCuranmor', [TampilHitunganController::class, 'TampilHitungCuranmor'])->middleware('auth');
+Route::resource('/dashboard/kecamatan', KecamatanController::class) ->parameters(['data-kecamatan' => 'kecamatan'])->middleware('auth');
+Route::resource('/dashboard/klaster', KlasterController::class) ->parameters(['data-klaster' => 'klaster'])->middleware('auth');
+Route::resource('/dashboard/curas', CurasController::class)->middleware('auth');
+Route::resource('/dashboard/curanmor', CuranmorController::class) ->parameters(['data-curanmor' => 'curanmor'])->middleware('auth');
+Route::resource('/dashboard/detail-curas', DetailCurasController::class)->middleware('auth');
+Route::resource('/dashboard/detail-curanmor', DetailCuranmorController::class)->middleware('auth');
+
+// Route Fitur Tampil Map Admin
 Route::get('/dashboard/mapcuras', function () {
     return view('admin.dashboardMapCuras');
 })->middleware('auth');
@@ -31,16 +43,6 @@
     return view('admin.dashboardMapCuranmor');
 })->middleware('auth');
 
-Route::get('/dashboard', [dashboardController::class, 'index'])->middleware('auth');
+// Route K-Means Centroid Tetap
-Route::get('/login', [loginController::class, 'index'])->name('login');
-Route::post('/login', [loginController::class, 'authenticate']);
-Route::post('/logout', [loginController::class, 'logout']);
-Route::resource('/dashboard/kecamatan', KecamatanController::class) ->parameters(['data-kecamatan' => 'kecamatan'])->middleware('auth');
-Route::resource('/dashboard/curas', CurasController::class)->middleware('auth');
-Route::resource('/dashboard/curanmor', CuranmorController::class) ->parameters(['data-curanmor' => 'curanmor'])->middleware('auth');
-Route::resource('/dashboard/klaster', KlasterController::class) ->parameters(['data-klaster' => 'klaster'])->middleware('auth');
-
-Route::get('/dashboard/iterasiCuras', [hasilIterasiController::class, 'iterasiCuras'])->middleware('auth');
-
 Route::get('/kmeans-curas', [KmeansController::class, 'KMeansCuras']);
 Route::get('/kmeans-curanmor', [KmeansController::class, 'KMeansCuranmor']);