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honesty_test.py ADDED
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+ """
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+ ===============================================================================
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+ KENDİ YÖNTEMİMİZİ TEST ETME: "Bizim bölme de şişiriyor mu?"
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+ ===============================================================================
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+
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+ SORU: Walk-forward validasyon gerçek dünyanın simülasyonudur.
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+ Hiçbir bölme stratejisi ondan daha gerçekçi olamaz.
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+ O zaman her stratejinin walk-forward'a yakınlığı = dürüstlük derecesi.
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+
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+ TEST: Her stratejinin F1'ini walk-forward F1 ile karşılaştır.
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+ - Yakın (±%10) = dürüst tahmin
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+ - Çok üstünde (>%15) = şişirilmiş
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+ - Çok altında (<-%15) = aşırı pesimist
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+ ===============================================================================
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+ """
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+
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+ import os, json
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+ import numpy as np
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+ import pandas as pd
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+
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+ import matplotlib
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+ matplotlib.use('Agg')
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+ import matplotlib.pyplot as plt
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+ import seaborn as sns
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+
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+ from sklearn.preprocessing import StandardScaler
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+ from sklearn.metrics import f1_score, roc_auc_score
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+ import lightgbm as lgb
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+ from sklearn.ensemble import RandomForestClassifier
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+ import xgboost as xgb
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+
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+ import warnings
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+ warnings.filterwarnings('ignore')
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+ np.random.seed(42)
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+
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+ FIGDIR = '/app/figures_proof'
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+ OUTDIR = '/app/results_proof'
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+
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+ # ─── VERİ YÜKLEME ───
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+ feat_df = pd.read_csv('/app/data/elliptic_txs_features.csv', header=None)
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+ class_df = pd.read_csv('/app/data/elliptic_txs_classes.csv')
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+ timesteps = feat_df.iloc[:, 1].values.astype(int)
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+ features = feat_df.iloc[:, 2:].values.astype(np.float32)
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+ label_map = {'1': 1, '2': 0, 'unknown': -1}
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+ labels = np.array([label_map[str(c)] for c in class_df['class'].values])
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+ labeled_mask = labels >= 0
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+ X = features[labeled_mask]
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+ y = labels[labeled_mask]
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+ ts = timesteps[labeled_mask]
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+
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+ def train_eval(X_tr, y_tr, X_te, y_te, model_type='lgbm'):
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+ scaler = StandardScaler()
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+ X_tr_s = scaler.fit_transform(X_tr)
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+ X_te_s = scaler.transform(X_te)
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+ if model_type == 'lgbm':
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+ m = lgb.LGBMClassifier(n_estimators=300, max_depth=10, scale_pos_weight=10, random_state=42, n_jobs=-1, verbose=-1)
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+ elif model_type == 'rf':
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+ m = RandomForestClassifier(n_estimators=300, max_depth=15, class_weight='balanced', random_state=42, n_jobs=-1)
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+ elif model_type == 'xgb':
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+ m = xgb.XGBClassifier(n_estimators=300, max_depth=8, scale_pos_weight=10, random_state=42, n_jobs=-1, verbosity=0)
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+ m.fit(X_tr_s, y_tr)
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+ pred = m.predict(X_te_s)
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+ return f1_score(y_te, pred, zero_division=0)
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+
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+ # ─── WALK-FORWARD (ALTIN STANDART) ───
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+ print("=" * 70)
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+ print("WALK-FORWARD VALİDASYON (ALTIN STANDART)")
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+ print("=" * 70)
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+
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+ wf_results_all = {}
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+ for model_type, model_name in [('lgbm', 'LightGBM'), ('rf', 'Random Forest'), ('xgb', 'XGBoost')]:
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+ wf_f1s = []
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+ for test_start in range(10, 49, 3):
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+ tr_mask = ts < test_start
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+ te_mask = (ts >= test_start) & (ts < test_start + 3)
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+ if tr_mask.sum() < 50 or te_mask.sum() < 10 or len(np.unique(y[te_mask])) < 2:
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+ continue
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+ f1 = train_eval(X[tr_mask], y[tr_mask], X[te_mask], y[te_mask], model_type)
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+ wf_f1s.append(f1)
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+ wf_avg = np.mean(wf_f1s)
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+ wf_results_all[model_name] = wf_avg
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+ print(f" {model_name}: Walk-Forward ortalama F1 = {wf_avg:.4f}")
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+
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+ # ─── ÖNCEKİ SONUÇLARI YÜKLE ───
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+ topo_results = pd.read_csv('/app/results_topo/all_results.csv')
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+
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+ # ─── KARŞILAŞTIRMA TABLOSU ───
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+ print("\n" + "=" * 70)
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+ print("HER STRATEJİNİN WALK-FORWARD'A YAKINLIĞI")
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+ print("=" * 70)
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+
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+ comparison_data = []
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+ for model_name in ['LightGBM', 'Random Forest', 'XGBoost']:
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+ wf_f1 = wf_results_all[model_name]
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+ print(f"\n {model_name} (Walk-Forward F1 = {wf_f1:.4f}):")
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+
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+ for _, row in topo_results[topo_results['model'] == model_name].iterrows():
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+ strat = row['strategy']
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+ f1 = row['f1']
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+ diff = f1 - wf_f1
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+ pct = (diff / wf_f1) * 100
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+ abs_pct = abs(pct)
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+
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+ if abs_pct < 10:
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+ durum = 'DÜRÜST ✓'
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+ elif pct > 15:
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+ durum = 'ŞİŞİRİYOR 🔴'
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+ elif pct > 10:
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+ durum = 'HAFİF YÜKSEK ⚠️'
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+ elif pct < -15:
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+ durum = 'ÇOK PESİMİST'
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+ else:
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+ durum = 'HAFİF DÜŞÜK'
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+
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+ comparison_data.append({
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+ 'Model': model_name, 'Strateji': strat,
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+ 'F1': f1, 'WF_F1': wf_f1, 'Fark': diff, 'Pct': pct, 'Durum': durum
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+ })
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+ print(f" {strat:<30s} F1={f1:.4f} fark={diff:+.4f} ({pct:+.1f}%) {durum}")
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+
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+ comp_df = pd.DataFrame(comparison_data)
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+
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+ # ─── SONUÇ ───
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+ print("\n" + "=" * 70)
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+ print("SONUÇ")
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+ print("=" * 70)
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+
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+ # Her stratejinin ortalama sapması
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+ print("\nStratejilerin walk-forward'a ortalama sapması (tüm modeller):")
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+ for strat in comp_df['Strateji'].unique():
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+ subset = comp_df[comp_df['Strateji'] == strat]
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+ avg_pct = subset['Pct'].mean()
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+ print(f" {strat:<30s}: ortalama {avg_pct:+.1f}%")
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+
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+ # ─── FİGÜR ───
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+ print("\nFİGÜR OLUŞTURULUYOR...")
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+ sns.set_theme(style='whitegrid', font_scale=1.1)
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+
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+ fig, ax = plt.subplots(figsize=(16, 9))
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+
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+ strategies_order = ['Rastgele', 'Kronolojik', 'Topolojik Kırılma (Bizim)', 'Kayan Pencere', 'Düşmanca-Kriz']
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+ models_order = ['LightGBM', 'Random Forest', 'XGBoost']
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+ colors = {'LightGBM': '#4ECDC4', 'Random Forest': '#45B7D1', 'XGBoost': '#96CEB4'}
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+ x = np.arange(len(strategies_order))
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+ width = 0.22
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+
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+ for i, model_name in enumerate(models_order):
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+ wf_f1 = wf_results_all[model_name]
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+ vals = []
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+ for strat in strategies_order:
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+ row = comp_df[(comp_df['Model'] == model_name) & (comp_df['Strateji'] == strat)]
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+ vals.append(row['F1'].values[0] if len(row) > 0 else 0)
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+
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+ bars = ax.bar(x + i * width, vals, width, label=model_name, color=colors[model_name],
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+ edgecolor='black', linewidth=0.5)
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+
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+ # Walk-forward bandı
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+ wf_avg_all = np.mean(list(wf_results_all.values()))
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+ wf_min = min(wf_results_all.values())
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+ wf_max = max(wf_results_all.values())
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+ ax.axhspan(wf_min * 0.9, wf_max * 1.1, alpha=0.15, color='green', label='Walk-Forward bandı (±%10)')
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+ ax.axhline(y=wf_avg_all, color='green', linewidth=2, linestyle='--', label=f'Walk-Forward ort. F1={wf_avg_all:.3f}')
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+
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+ ax.set_xticks(x + width)
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+ ax.set_xticklabels(strategies_order, rotation=15, ha='right', fontsize=11)
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+ ax.set_ylabel('Illicit F1 Score', fontsize=13)
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+ ax.set_title('Her Bölme Stratejisinin Walk-Forward\'a (Gerçek Dünya) Yakınlığı\n'
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+ 'Yeşil bant içinde = dürüst tahmin, üstünde = şişirilmiş', fontsize=14, fontweight='bold')
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+ ax.legend(fontsize=10, loc='upper right')
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+ ax.set_ylim(0, 1.1)
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+ ax.grid(axis='y', alpha=0.3)
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+
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+ plt.tight_layout()
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+ plt.savefig(f'{FIGDIR}/fig6_honesty_test.png', dpi=150, bbox_inches='tight')
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+ plt.close()
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+ print(" ✓ Figür 6: Dürüstlük Testi")
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+
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+ # JSON kaydet
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+ comp_df.to_csv(f'{OUTDIR}/honesty_comparison.csv', index=False)
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+ with open(f'{OUTDIR}/walk_forward_by_model.json', 'w') as f:
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+ json.dump({k: float(v) for k, v in wf_results_all.items()}, f, indent=2)
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+
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+ print("\n✓ Tamamlandı!")