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Browse files- app.py +90 -403
- model_predictor.py +184 -329
app.py
CHANGED
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@@ -133,54 +133,42 @@ class TradingBacktester:
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return 0
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def simulate_predictions(self, data, predictor_func):
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Returns:
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predictions_history: 歷史預測結果字典
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"""
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predictions_history = {}
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# 為每個交易日生成預測
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for i in range(60, len(data)): # 從第60天開始,確保有足夠歷史資料
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current_date = data.index[i]
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historical_data = data.iloc[:i+1].copy() # 到當前日期的歷史資料
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if 'Open' not in historical_data.columns and 'open' in historical_data.columns:
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historical_data['Open'] = historical_data['open']
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def run_backtest(self, stock_data, predictor_func, start_date=None, end_date=None):
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"""
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@@ -819,98 +807,47 @@ def simple_statistical_predict(data, predict_days=5):
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def calculate_new_features(df):
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"""
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計算新的技術指標特徵 -
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"""
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if df.empty:
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return df
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#
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if 'Close' not in df.columns and 'close' in df.columns:
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df['Close'] = df['close']
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if 'Volume' not in df.columns and 'volume' in df.columns:
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df['Volume'] = df['volume']
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if 'High' not in df.columns and 'high' in df.columns:
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df['High'] = df['high']
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if 'Low' not in df.columns and 'low' in df.columns:
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df['Low'] = df['low']
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if 'Open' not in df.columns and 'open' in df.columns:
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df['Open'] = df['open']
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# 1. close - 收盤價
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df['close'] = df['Close']
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# 2. return_t-1 — 前一日報酬率
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df['return_t-1'] = df['Close'].pct_change()
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#
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df['return_t-5'] = (df['Close'] / df['Close'].shift(5) - 1)
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#
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df['MA5_close'] = df['Close'].rolling(window=5).mean()
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#
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df['volatility_5d'] = df['return_t-1'].rolling(window=5).std()
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# 6. volume_ratio_5d
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df['volume_5d_avg'] = df['Volume'].rolling(window=5).mean()
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df['volume_ratio_5d'] = df['Volume'] / df['volume_5d_avg']
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# 7.
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exp1 = df['Close'].ewm(span=12).mean()
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exp2 = df['Close'].ewm(span=26).mean()
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macd_line = exp1 - exp2
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signal_line = macd_line.ewm(span=9).mean()
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df['MACD_diff'] = macd_line - signal_line
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# 8. dji_return_t-1 — 前一日道瓊指數報酬率(預設為0,需外部數據)
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df['dji_return_t-1'] = 0.0
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# 9. sox_return_t-1 — 前一日費半指數報酬率(預設為0,需外部數據)
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df['sox_return_t-1'] = 0.0
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# 10. NEWS — 新聞情緒分數(預設為0,需外部數據)
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df['NEWS'] = 0.0
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# 11. MACDvol — MACD柱狀圖
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df['MACDvol'] = macd_line - signal_line
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# 12. RSI_14 — 14日RSI
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delta = df['Close'].diff()
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gain = (delta.where(delta > 0, 0)).rolling(window=14).mean()
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loss = (-delta.where(delta < 0, 0)).rolling(window=14).mean()
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rs = gain / loss
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df['RSI_14'] = 100 - (100 / (1 + rs))
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#
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high_low = df['High'] - df['Low']
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high_close_prev = np.abs(df['High'] - df['Close'].shift(1))
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low_close_prev = np.abs(df['Low'] - df['Close'].shift(1))
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df['TR'] = np.maximum.reduce([high_low, high_close_prev, low_close_prev])
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df['+DI'] = (df['+DM'].ewm(com=13, adjust=False).mean() / df['TR'].ewm(com=13, adjust=False).mean()) * 100
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df['-DI'] = (df['-DM'].ewm(com=13, adjust=False).mean() / df['TR'].ewm(com=13, adjust=False).mean()) * 100
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df['DX'] = np.abs(df['+DI'] - df['-DI']) / (df['+DI'] + df['-DI']) * 100
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df['ADX'] = df['DX'].ewm(com=13, adjust=False).mean()
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except:
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print("警告:ADX計算失敗,使用預設值")
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df['ADX'] = 25.0 # 預設中性值
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# 14. volume_weighted_return — 成交量加權報酬率
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df['volume_weighted_return'] = np.abs(df['return_t-1']) * df['Volume']
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# 移除輔助欄位
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# 填補 NaN 值
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df.fillna(method='ffill', inplace=True)
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df.fillna(0, inplace=True) # 剩餘的 NaN 用 0 填補
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return df
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# 計算技術指標(包含舊的指標)
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taiex_data = calculate_technical_indicators(taiex_data)
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# 計算新特徵
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# 計算新特徵
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taiex_data = calculate_new_features(taiex_data)
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# 確保所有必要特徵都存在且沒有NaN值
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required_features = [
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'return_t-1', 'return_t-5', 'MA5_close', 'volatility_5d',
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'volume_ratio_5d', 'MACD_diff'
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]
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for feature in required_features:
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if feature not in taiex_data.columns:
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print(f"警告: 缺少特徵 {feature},使用默認值")
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if 'return' in feature:
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taiex_data[feature] = 0.0
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elif 'MA' in feature:
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taiex_data[feature] = taiex_data['Close']
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elif 'volatility' in feature:
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taiex_data[feature] = 0.02
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elif 'volume_ratio' in feature:
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taiex_data[feature] = 1.0
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elif 'MACD' in feature:
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taiex_data[feature] = 0.0
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else:
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taiex_data[feature] = 0.0
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# 填補可能的NaN值
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taiex_data = taiex_data.fillna(method='ffill').fillna(0)
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# 獲取美股指數數據來計算外部指標
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us_market_data = get_us_market_data()
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yesterday_close = latest_data['Close']
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# 特徵列表,確保與模型訓練時完全一致
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'
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'return_t-
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'dji_return_t-1', # 前一日道瓊指數報酬率
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'sox_return_t-1', # 前一日費半指數報酬率
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'NEWS', # 新聞情緒分數
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'MACDvol', # MACD柱狀圖
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'RSI_14', # 14日RSI
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'ADX', # ADX指標
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'volume_weighted_return' # 成交量加權報酬率
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]
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# 添加美股指標(如果有數據的話)
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dji_return = 0
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sox_return = 0
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try:
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sox_data = get_stock_data('^SOX', '5d')
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if not sox_data.empty and len(sox_data) >= 2:
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sox_return = (sox_data['Close'].iloc[-1] / sox_data['Close'].iloc[-2] - 1)
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except:
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pass
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# 處理本地計算的技術指標特徵
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for feature in
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if feature in
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features_list.append(sox_return)
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feature_status[feature] = {
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'value': sox_return,
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'is_real': sox_return != 0,
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'source': 'calculated' if sox_return != 0 else 'default'
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}
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elif feature == 'NEWS':
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# 新聞分數
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features_list.append(sentiment_score_raw)
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feature_status[feature] = {
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'value': sentiment_score_raw,
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'is_real': True,
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'source': 'calculated'
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}
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else:
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# 其他技術指標特徵
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if feature in latest_data.index:
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value = latest_data[feature]
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if pd.isna(value):
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# 使用合理的預設值
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if 'return' in feature:
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default_value = 0.0
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elif 'MA' in feature or feature == 'close':
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default_value = latest_data['Close'] if not pd.isna(latest_data['Close']) else 100
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elif 'volatility' in feature:
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default_value = 0.02
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elif 'volume_ratio' in feature:
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default_value = 1.0
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elif 'MACD' in feature:
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default_value = 0.0
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elif 'RSI' in feature:
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default_value = 50.0
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elif 'ADX' in feature:
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default_value = 25.0
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elif 'volume_weighted' in feature:
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default_value = 0.0
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else:
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default_value = 0.0
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features_list.append(default_value)
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feature_status[feature] = {
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'value': default_value,
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'is_real': False,
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'source': 'default'
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}
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else:
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features_list.append(value)
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feature_status[feature] = {
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'value': value,
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'is_real': True,
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'source': 'calculated'
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}
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else:
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# 特徵不存在,使用預設值
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default_value = 0.0
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features_list.append(default_value)
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feature_status[feature] = {
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'value': default_value,
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'is_real': False,
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'source': 'missing'
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}
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feature_names.append(feature)
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# 轉換為 DataFrame (XGBoost 模型期望的格式)
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input_df = pd.DataFrame([features_list], columns=feature_names)for feature in model_feature_columns:
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if feature in ['dji_return_t-1', 'sox_return_t-1']:
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# 處理美股指標
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if feature == 'dji_return_t-1':
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features_list.append(dji_return)
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feature_status[feature] = {
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'value': dji_return,
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'is_real': dji_return != 0,
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'source': 'calculated' if dji_return != 0 else 'default'
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}
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else: # sox_return_t-1
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features_list.append(sox_return)
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feature_status[feature] = {
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'value': sox_return,
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'is_real': sox_return != 0,
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'source': 'calculated' if sox_return != 0 else 'default'
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}
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elif feature == 'NEWS':
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# 新聞分數
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features_list.append(sentiment_score_raw)
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feature_status[feature] = {
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'value': sentiment_score_raw,
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'is_real': True,
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'source': 'calculated'
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}
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else:
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# 其他技術指標特徵
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if feature in latest_data.index:
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value = latest_data[feature]
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if pd.isna(value):
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# 使用合理的預設值
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if 'return' in feature:
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default_value = 0.0
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elif 'MA' in feature or feature == 'close':
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default_value = latest_data['Close'] if not pd.isna(latest_data['Close']) else 100
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elif 'volatility' in feature:
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default_value = 0.02
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elif 'volume_ratio' in feature:
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default_value = 1.0
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elif 'MACD' in feature:
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default_value = 0.0
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elif 'RSI' in feature:
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default_value = 50.0
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elif 'ADX' in feature:
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default_value = 25.0
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elif 'volume_weighted' in feature:
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default_value = 0.0
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else:
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default_value = 0.0
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features_list.append(default_value)
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feature_status[feature] = {
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'value': default_value,
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'is_real': False,
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'source': 'default'
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}
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else:
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features_list.append(value)
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feature_status[feature] = {
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'value': value,
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'is_real': True,
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'source': 'calculated'
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}
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else:
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features_list.append(default_value)
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feature_status[feature] = {
|
| 1177 |
-
'value': default_value,
|
| 1178 |
-
'is_real': False,
|
| 1179 |
-
'source': 'missing'
|
| 1180 |
-
}
|
| 1181 |
-
|
| 1182 |
-
feature_names.append(feature)
|
| 1183 |
-
|
| 1184 |
-
# 轉換為 DataFrame (XGBoost 模型期望的格式)
|
| 1185 |
-
input_df = pd.DataFrame([features_list], columns=feature_names)for feature in model_feature_columns:
|
| 1186 |
-
if feature in ['dji_return_t-1', 'sox_return_t-1']:
|
| 1187 |
-
# 處理美股指標
|
| 1188 |
-
if feature == 'dji_return_t-1':
|
| 1189 |
-
features_list.append(dji_return)
|
| 1190 |
-
feature_status[feature] = {
|
| 1191 |
-
'value': dji_return,
|
| 1192 |
-
'is_real': dji_return != 0,
|
| 1193 |
-
'source': 'calculated' if dji_return != 0 else 'default'
|
| 1194 |
-
}
|
| 1195 |
-
else: # sox_return_t-1
|
| 1196 |
-
features_list.append(sox_return)
|
| 1197 |
-
feature_status[feature] = {
|
| 1198 |
-
'value': sox_return,
|
| 1199 |
-
'is_real': sox_return != 0,
|
| 1200 |
-
'source': 'calculated' if sox_return != 0 else 'default'
|
| 1201 |
-
}
|
| 1202 |
-
|
| 1203 |
-
elif feature == 'NEWS':
|
| 1204 |
-
# 新聞分數
|
| 1205 |
-
features_list.append(sentiment_score_raw)
|
| 1206 |
-
feature_status[feature] = {
|
| 1207 |
-
'value': sentiment_score_raw,
|
| 1208 |
-
'is_real': True,
|
| 1209 |
-
'source': 'calculated'
|
| 1210 |
-
}
|
| 1211 |
|
| 1212 |
-
|
| 1213 |
-
# 其他技術指標特徵
|
| 1214 |
-
if feature in latest_data.index:
|
| 1215 |
-
value = latest_data[feature]
|
| 1216 |
-
if pd.isna(value):
|
| 1217 |
-
# 使用合理的預設值
|
| 1218 |
-
if 'return' in feature:
|
| 1219 |
-
default_value = 0.0
|
| 1220 |
-
elif 'MA' in feature or feature == 'close':
|
| 1221 |
-
default_value = latest_data['Close'] if not pd.isna(latest_data['Close']) else 100
|
| 1222 |
-
elif 'volatility' in feature:
|
| 1223 |
-
default_value = 0.02
|
| 1224 |
-
elif 'volume_ratio' in feature:
|
| 1225 |
-
default_value = 1.0
|
| 1226 |
-
elif 'MACD' in feature:
|
| 1227 |
-
default_value = 0.0
|
| 1228 |
-
elif 'RSI' in feature:
|
| 1229 |
-
default_value = 50.0
|
| 1230 |
-
elif 'ADX' in feature:
|
| 1231 |
-
default_value = 25.0
|
| 1232 |
-
elif 'volume_weighted' in feature:
|
| 1233 |
-
default_value = 0.0
|
| 1234 |
-
else:
|
| 1235 |
-
default_value = 0.0
|
| 1236 |
-
|
| 1237 |
-
features_list.append(default_value)
|
| 1238 |
-
feature_status[feature] = {
|
| 1239 |
-
'value': default_value,
|
| 1240 |
-
'is_real': False,
|
| 1241 |
-
'source': 'default'
|
| 1242 |
-
}
|
| 1243 |
-
else:
|
| 1244 |
-
features_list.append(value)
|
| 1245 |
-
feature_status[feature] = {
|
| 1246 |
-
'value': value,
|
| 1247 |
-
'is_real': True,
|
| 1248 |
-
'source': 'calculated'
|
| 1249 |
-
}
|
| 1250 |
-
else:
|
| 1251 |
-
# 特徵不存在,使用預設值
|
| 1252 |
-
default_value = 0.0
|
| 1253 |
-
features_list.append(default_value)
|
| 1254 |
-
feature_status[feature] = {
|
| 1255 |
-
'value': default_value,
|
| 1256 |
-
'is_real': False,
|
| 1257 |
-
'source': 'missing'
|
| 1258 |
-
}
|
| 1259 |
-
|
| 1260 |
-
feature_names.append(feature)
|
| 1261 |
-
|
| 1262 |
-
# 轉換為 DataFrame (XGBoost 模型期望的格式)
|
| 1263 |
-
input_df = pd.DataFrame([features_list], columns=feature_names)
|
| 1264 |
|
| 1265 |
# 按照模型訓練的順序添加剩餘特徵
|
| 1266 |
# 7. dji_return_t-1
|
|
|
|
| 133 |
return 0
|
| 134 |
|
| 135 |
def simulate_predictions(self, data, predictor_func):
|
| 136 |
+
"""
|
| 137 |
+
模擬歷史預測結果
|
| 138 |
+
|
| 139 |
+
Args:
|
| 140 |
+
data: 股價歷史資料
|
| 141 |
+
predictor_func: 預測函數
|
|
|
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|
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|
|
|
|
|
|
|
|
| 142 |
|
| 143 |
+
Returns:
|
| 144 |
+
predictions_history: 歷史預測結果字典
|
| 145 |
+
"""
|
| 146 |
+
predictions_history = {}
|
| 147 |
+
|
| 148 |
+
# 為每個交易日生成預測
|
| 149 |
+
for i in range(60, len(data)): # 從第60天開始,確保有足夠歷史資料,
|
| 150 |
+
current_date = data.index[i]
|
| 151 |
+
historical_data = data.iloc[:i+1] # 到當前日期的歷史資料
|
|
|
|
|
|
|
| 152 |
|
| 153 |
+
try:
|
| 154 |
+
# 呼叫預測函數
|
| 155 |
+
predictions = {}
|
| 156 |
+
for days in [1, 5, 10, 20]:
|
| 157 |
+
pred_result = predictor_func(historical_data, days)
|
| 158 |
+
if pred_result:
|
| 159 |
+
predictions[f'{days}d'] = pred_result.get('change_pct', 0)
|
| 160 |
+
else:
|
| 161 |
+
predictions[f'{days}d'] = 0
|
| 162 |
|
| 163 |
+
predictions_history[current_date] = predictions
|
| 164 |
|
| 165 |
+
except Exception as e:
|
| 166 |
+
# print(f"預測失敗 {current_date}: {e}")
|
| 167 |
+
predictions_history[current_date] = {
|
| 168 |
+
'1d': 0, '5d': 0, '10d': 0, '20d': 0
|
| 169 |
+
}
|
| 170 |
|
| 171 |
+
return predictions_history
|
| 172 |
|
| 173 |
def run_backtest(self, stock_data, predictor_func, start_date=None, end_date=None):
|
| 174 |
"""
|
|
|
|
| 807 |
|
| 808 |
def calculate_new_features(df):
|
| 809 |
"""
|
| 810 |
+
計算新的技術指標特徵 - 針對新特徵需求
|
| 811 |
"""
|
| 812 |
if df.empty:
|
| 813 |
return df
|
| 814 |
|
| 815 |
+
# 1. return_t-1 – 前一日報酬率
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
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|
|
|
|
|
|
|
|
|
| 816 |
df['return_t-1'] = df['Close'].pct_change()
|
| 817 |
|
| 818 |
+
# 2. return_t-5 – 過去 5 日累積報��率
|
| 819 |
df['return_t-5'] = (df['Close'] / df['Close'].shift(5) - 1)
|
| 820 |
|
| 821 |
+
# 3. MA5_close – 5 日移動平均價
|
| 822 |
df['MA5_close'] = df['Close'].rolling(window=5).mean()
|
| 823 |
|
| 824 |
+
# 4. MA20_close – 20 日移動平均價
|
| 825 |
+
df['MA20_close'] = df['Close'].rolling(window=20).mean()
|
| 826 |
+
|
| 827 |
+
# 5. volatility_5d – 5 日報酬標準差(短期波動)
|
| 828 |
df['volatility_5d'] = df['return_t-1'].rolling(window=5).std()
|
| 829 |
|
| 830 |
+
# 6. volume_ratio_5d – 今日成交量 ÷ 5 日均量
|
| 831 |
df['volume_5d_avg'] = df['Volume'].rolling(window=5).mean()
|
| 832 |
df['volume_ratio_5d'] = df['Volume'] / df['volume_5d_avg']
|
| 833 |
|
| 834 |
+
# 7. RSI_14 – 14 日 RSI 指標
|
|
|
|
|
|
|
|
|
|
|
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|
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|
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|
|
|
|
|
|
|
|
|
|
|
|
| 835 |
delta = df['Close'].diff()
|
| 836 |
gain = (delta.where(delta > 0, 0)).rolling(window=14).mean()
|
| 837 |
loss = (-delta.where(delta < 0, 0)).rolling(window=14).mean()
|
| 838 |
rs = gain / loss
|
| 839 |
df['RSI_14'] = 100 - (100 / (1 + rs))
|
| 840 |
|
| 841 |
+
# 8. MACD_diff – MACD - signal(趨勢強弱)
|
| 842 |
+
exp1 = df['Close'].ewm(span=12).mean()
|
| 843 |
+
exp2 = df['Close'].ewm(span=26).mean()
|
| 844 |
+
macd_line = exp1 - exp2
|
| 845 |
+
signal_line = macd_line.ewm(span=9).mean()
|
| 846 |
+
df['MACD_diff'] = macd_line - signal_line
|
|
|
|
|
|
|
|
|
|
|
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|
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|
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|
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|
|
|
|
|
|
|
|
|
|
| 847 |
|
| 848 |
# 移除輔助欄位
|
| 849 |
+
if 'volume_5d_avg' in df.columns:
|
| 850 |
+
df = df.drop('volume_5d_avg', axis=1)
|
|
|
|
|
|
|
|
|
|
|
|
|
| 851 |
|
| 852 |
return df
|
| 853 |
|
|
|
|
| 871 |
# 計算技術指標(包含舊的指標)
|
| 872 |
taiex_data = calculate_technical_indicators(taiex_data)
|
| 873 |
|
|
|
|
| 874 |
# 計算新特徵
|
| 875 |
taiex_data = calculate_new_features(taiex_data)
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 876 |
|
| 877 |
# 獲取美股指數數據來計算外部指標
|
| 878 |
us_market_data = get_us_market_data()
|
|
|
|
| 895 |
yesterday_close = latest_data['Close']
|
| 896 |
|
| 897 |
# 特徵列表,確保與模型訓練時完全一致
|
| 898 |
+
new_feature_columns = [
|
| 899 |
+
'return_t-1',
|
| 900 |
+
'return_t-5',
|
| 901 |
+
'MA5_close',
|
| 902 |
+
'volatility_5d',
|
| 903 |
+
'volume_ratio_5d',
|
| 904 |
+
'MACD_diff',
|
| 905 |
+
]
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 906 |
|
| 907 |
# 添加美股指標(如果有數據的話)
|
| 908 |
dji_return = 0
|
| 909 |
sox_return = 0
|
| 910 |
|
| 911 |
+
# 嘗試獲取美股前一日報酬率
|
| 912 |
+
try:
|
| 913 |
+
dji_data = get_stock_data('^DJI', '5d')
|
| 914 |
+
if not dji_data.empty and len(dji_data) >= 2:
|
| 915 |
+
dji_return = (dji_data['Close'].iloc[-1] / dji_data['Close'].iloc[-2] - 1)
|
| 916 |
+
except:
|
| 917 |
+
pass
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 918 |
|
| 919 |
+
try:
|
| 920 |
+
sox_data = get_stock_data('^SOX', '5d')
|
| 921 |
+
if not sox_data.empty and len(sox_data) >= 2:
|
| 922 |
+
sox_return = (sox_data['Close'].iloc[-1] / sox_data['Close'].iloc[-2] - 1)
|
| 923 |
+
except:
|
| 924 |
+
pass
|
| 925 |
+
|
| 926 |
+
# 檢查並處理 NaN 值,建立特徵狀態記錄
|
| 927 |
+
feature_status = {}
|
| 928 |
+
features_list = []
|
| 929 |
+
feature_names = []
|
| 930 |
|
| 931 |
# 處理本地計算的技術指標特徵
|
| 932 |
+
for feature in new_feature_columns:
|
| 933 |
+
if feature in latest_data.index:
|
| 934 |
+
value = latest_data[feature]
|
| 935 |
+
if pd.isna(value):
|
| 936 |
+
# 使用合理的預設值
|
| 937 |
+
if 'return' in feature: default_value = 0.0
|
| 938 |
+
elif 'MA' in feature: default_value = latest_data['Close'] if not pd.isna(latest_data['Close']) else 100
|
| 939 |
+
elif 'volatility' in feature: default_value = 0.02
|
| 940 |
+
elif 'volume_ratio' in feature: default_value = 1.0
|
| 941 |
+
elif 'MACD' in feature: default_value = 0.0
|
| 942 |
+
else: default_value = 0.0
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 943 |
|
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|
|
|
| 944 |
features_list.append(default_value)
|
| 945 |
+
feature_status[feature] = {'value': default_value, 'is_real': False, 'source': 'default'}
|
|
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|
| 946 |
else:
|
| 947 |
+
features_list.append(value)
|
| 948 |
+
feature_status[feature] = {'value': value, 'is_real': True, 'source': 'calculated'}
|
|
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|
| 949 |
|
| 950 |
+
feature_names.append(feature)
|
|
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| 951 |
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| 952 |
# 按照模型訓練的順序添加剩餘特徵
|
| 953 |
# 7. dji_return_t-1
|
model_predictor.py
CHANGED
|
@@ -1,421 +1,276 @@
|
|
| 1 |
# model_predictor.py - 支援漲幅百分比輸出的XGBoost模型預測器
|
| 2 |
# 修改版本:輸出改為漲幅百分比而非絕對價格
|
| 3 |
|
| 4 |
-
# model_predictor.py - 修正版本,對應訓練腳本的確切配置
|
| 5 |
-
|
| 6 |
import os
|
| 7 |
-
import numpy as np
|
| 8 |
import pandas as pd
|
|
|
|
| 9 |
import xgboost as xgb
|
| 10 |
-
from sklearn.preprocessing import
|
|
|
|
| 11 |
import joblib
|
| 12 |
-
import warnings
|
| 13 |
-
warnings.filterwarnings('ignore')
|
| 14 |
|
| 15 |
class XGBoostModel:
|
| 16 |
def __init__(self):
|
| 17 |
"""
|
| 18 |
-
初始化 XGBoost
|
| 19 |
-
|
|
|
|
|
|
|
|
|
|
| 20 |
"""
|
| 21 |
-
|
|
|
|
| 22 |
self.feature_columns = [
|
| 23 |
-
'close',
|
| 24 |
-
'return_t-1',
|
| 25 |
-
'return_t-5',
|
| 26 |
-
'MA5_close',
|
| 27 |
-
'volatility_5d',
|
| 28 |
-
'volume_ratio_5d',
|
| 29 |
-
'MACD_diff',
|
| 30 |
-
'dji_return_t-1',
|
| 31 |
-
'sox_return_t-1',
|
| 32 |
-
'NEWS'
|
| 33 |
-
'MACDvol', # MACD柱狀圖
|
| 34 |
-
'RSI_14', # 14日RSI
|
| 35 |
-
'ADX', # ADX指標
|
| 36 |
-
'volume_weighted_return' # 成交量加權報酬率
|
| 37 |
]
|
| 38 |
|
| 39 |
-
#
|
| 40 |
-
self.
|
| 41 |
-
'Change_pct_t1_pred'
|
| 42 |
-
'Change_pct_t5_pred'
|
| 43 |
-
'Change_pct_t10_pred'
|
| 44 |
-
'Change_pct_t20_pred'
|
| 45 |
}
|
| 46 |
|
| 47 |
-
|
| 48 |
-
|
| 49 |
-
self.is_model_loaded = False
|
| 50 |
-
|
| 51 |
-
# 模型檔案路徑
|
| 52 |
-
self.model_path = 'xgboost_model.json'
|
| 53 |
-
self.scaler_path = 'feature_scaler.pkl'
|
| 54 |
|
| 55 |
-
def
|
| 56 |
"""
|
| 57 |
-
|
| 58 |
-
完全對應訓練腳本中的 create_new_features 函數
|
| 59 |
|
| 60 |
Args:
|
| 61 |
-
|
| 62 |
-
|
| 63 |
Returns:
|
| 64 |
-
|
| 65 |
"""
|
| 66 |
-
|
| 67 |
-
|
| 68 |
-
|
| 69 |
-
|
| 70 |
-
|
| 71 |
-
|
| 72 |
-
|
| 73 |
-
|
| 74 |
-
|
| 75 |
-
|
| 76 |
-
|
| 77 |
-
|
| 78 |
-
|
| 79 |
-
|
| 80 |
-
|
| 81 |
-
|
| 82 |
-
|
| 83 |
-
|
| 84 |
-
# 3. MA5_close — 5 日移動平均價
|
| 85 |
-
df['MA5_close'] = df['close'].rolling(window=5).mean()
|
| 86 |
-
|
| 87 |
-
# 4. volatility_5d — 5 日報酬標準差
|
| 88 |
-
df['volatility_5d'] = df['return_t-1'].rolling(window=5).std()
|
| 89 |
-
|
| 90 |
-
# 5. volume_ratio_5d — 今日成交量 ÷ 5 日均量
|
| 91 |
-
df['volume_5d_avg'] = df['volume'].rolling(window=5).mean()
|
| 92 |
-
df['volume_ratio_5d'] = df['volume'] / df['volume_5d_avg']
|
| 93 |
-
|
| 94 |
-
# 6. MACD_diff — MACD - signal
|
| 95 |
-
exp1 = df['close'].ewm(span=12).mean()
|
| 96 |
-
exp2 = df['close'].ewm(span=26).mean()
|
| 97 |
-
macd_line = exp1 - exp2
|
| 98 |
-
signal_line = macd_line.ewm(span=9).mean()
|
| 99 |
-
df['MACD_diff'] = macd_line - signal_line
|
| 100 |
-
|
| 101 |
-
# 7-8. 美股指數報酬率(需要外部資料,暫設為0)
|
| 102 |
-
df['dji_return_t-1'] = 0.0 # 這需要從外部獲取道瓊指數資料
|
| 103 |
-
df['sox_return_t-1'] = 0.0 # 這需要從外部獲取費半指數資料
|
| 104 |
-
|
| 105 |
-
# 9. NEWS — 新聞情緒分數(需要外部資料,暫設為0)
|
| 106 |
-
df['NEWS'] = 0.0
|
| 107 |
-
|
| 108 |
-
# 10. MACDvol — MACD柱狀圖
|
| 109 |
-
df['MACDvol'] = macd_line - signal_line
|
| 110 |
-
|
| 111 |
-
# 11. RSI_14 — 14日RSI
|
| 112 |
-
delta = df['close'].diff()
|
| 113 |
-
gain = (delta.where(delta > 0, 0)).rolling(window=14).mean()
|
| 114 |
-
loss = (-delta.where(delta < 0, 0)).rolling(window=14).mean()
|
| 115 |
-
rs = gain / loss
|
| 116 |
-
df['RSI_14'] = 100 - (100 / (1 + rs))
|
| 117 |
-
|
| 118 |
-
# 12. ADX — 平均趨向指標
|
| 119 |
-
df['up_move'] = df['High'] - df['High'].shift(1)
|
| 120 |
-
df['down_move'] = df['Low'].shift(1) - df['Low']
|
| 121 |
-
df['+DM'] = np.where((df['up_move'] > df['down_move']) & (df['up_move'] > 0), df['up_move'], 0)
|
| 122 |
-
df['-DM'] = np.where((df['down_move'] > df['up_move']) & (df['down_move'] > 0), df['down_move'], 0)
|
| 123 |
-
|
| 124 |
-
high_low = df['High'] - df['Low']
|
| 125 |
-
high_close_prev = np.abs(df['High'] - df['close'].shift(1))
|
| 126 |
-
low_close_prev = np.abs(df['Low'] - df['close'].shift(1))
|
| 127 |
-
df['TR'] = np.maximum.reduce([high_low, high_close_prev, low_close_prev])
|
| 128 |
-
|
| 129 |
-
df['+DI'] = (df['+DM'].ewm(com=13, adjust=False).mean() / df['TR'].ewm(com=13, adjust=False).mean()) * 100
|
| 130 |
-
df['-DI'] = (df['-DM'].ewm(com=13, adjust=False).mean() / df['TR'].ewm(com=13, adjust=False).mean()) * 100
|
| 131 |
-
df['DX'] = np.abs(df['+DI'] - df['-DI']) / (df['+DI'] + df['-DI']) * 100
|
| 132 |
-
df['ADX'] = df['DX'].ewm(com=13, adjust=False).mean()
|
| 133 |
-
|
| 134 |
-
# 13. volume_weighted_return — 成交量加權報酬率
|
| 135 |
-
df['volume_weighted_return'] = np.abs(df['return_t-1']) * df['volume']
|
| 136 |
-
|
| 137 |
-
# 清理輔助欄位
|
| 138 |
-
cleanup_columns = ['volume_5d_avg', 'up_move', 'down_move', '+DM', '-DM', 'TR', '+DI', '-DI', 'DX']
|
| 139 |
-
df.drop(columns=[col for col in cleanup_columns if col in df.columns], inplace=True)
|
| 140 |
-
|
| 141 |
-
# 填補 NaN 值
|
| 142 |
-
df.fillna(method='ffill', inplace=True)
|
| 143 |
-
df.fillna(0, inplace=True) # 剩餘的 NaN 用 0 填補
|
| 144 |
-
|
| 145 |
-
return df
|
| 146 |
|
| 147 |
-
def
|
| 148 |
"""
|
| 149 |
-
|
| 150 |
|
| 151 |
Args:
|
| 152 |
-
|
| 153 |
-
|
| 154 |
Returns:
|
| 155 |
-
bool:
|
| 156 |
"""
|
| 157 |
try:
|
| 158 |
-
|
| 159 |
-
|
| 160 |
-
|
| 161 |
-
|
| 162 |
-
print(f"成功載入模型: {self.model_path}")
|
| 163 |
else:
|
| 164 |
-
print(f"
|
|
|
|
|
|
|
| 165 |
return False
|
| 166 |
|
| 167 |
-
# 嘗試載入標準化器(如果存在)
|
| 168 |
-
if os.path.exists(self.scaler_path):
|
| 169 |
-
self.scaler = joblib.load(self.scaler_path)
|
| 170 |
-
print(f"成功載入標準化器: {self.scaler_path}")
|
| 171 |
-
else:
|
| 172 |
-
print(f"警告���未找到標準化器檔案 {self.scaler_path},將使用原始數據進行預測")
|
| 173 |
-
# 根據訓練腳本,模型沒有使用標準化,所以這是正常的
|
| 174 |
-
self.scaler = None
|
| 175 |
-
|
| 176 |
-
self.is_model_loaded = True
|
| 177 |
-
return True
|
| 178 |
-
|
| 179 |
except Exception as e:
|
| 180 |
-
print(f"
|
|
|
|
| 181 |
return False
|
| 182 |
|
| 183 |
-
def
|
| 184 |
"""
|
| 185 |
-
|
| 186 |
|
| 187 |
Args:
|
| 188 |
-
|
| 189 |
-
input_data: 輸入特徵 DataFrame 或 numpy array
|
| 190 |
|
| 191 |
Returns:
|
| 192 |
-
|
| 193 |
"""
|
| 194 |
-
if not self.is_model_loaded:
|
| 195 |
-
if not self.load_model(model_name):
|
| 196 |
-
raise RuntimeError("模型載入失敗,無法進行預測")
|
| 197 |
-
|
| 198 |
try:
|
| 199 |
-
#
|
| 200 |
-
if
|
| 201 |
-
if input_data.shape[1] != len(self.feature_columns):
|
| 202 |
-
raise ValueError(f"輸入特徵數量不匹配。期望: {len(self.feature_columns)}, 實際: {input_data.shape[1]}")
|
| 203 |
-
input_df = pd.DataFrame(input_data, columns=self.feature_columns)
|
| 204 |
-
elif isinstance(input_data, pd.DataFrame):
|
| 205 |
-
input_df = input_data.copy()
|
| 206 |
-
else:
|
| 207 |
-
raise ValueError("輸入數據必須是 DataFrame 或 numpy array")
|
| 208 |
-
|
| 209 |
-
# 確保所有必需的特徵都存在
|
| 210 |
-
missing_features = [col for col in self.feature_columns if col not in input_df.columns]
|
| 211 |
if missing_features:
|
| 212 |
-
|
|
|
|
|
|
|
|
|
|
| 213 |
|
| 214 |
-
#
|
| 215 |
-
|
| 216 |
|
| 217 |
-
#
|
| 218 |
-
|
| 219 |
-
print("警告:輸入數據包含 NaN 值,將用 0 填補")
|
| 220 |
-
input_features = input_features.fillna(0)
|
| 221 |
|
| 222 |
-
#
|
| 223 |
if self.scaler is not None:
|
| 224 |
-
|
| 225 |
-
|
| 226 |
-
|
| 227 |
-
|
| 228 |
-
|
| 229 |
-
|
| 230 |
-
|
| 231 |
-
|
| 232 |
-
|
| 233 |
-
|
| 234 |
-
|
| 235 |
-
predictions = predictions.reshape(1, -1)
|
| 236 |
-
else:
|
| 237 |
-
raise ValueError(f"預測結果維度不正確: {predictions.shape}")
|
| 238 |
-
|
| 239 |
-
# 確保結果是 (n_samples, 4) 的形狀
|
| 240 |
-
if predictions.shape[1] != 4:
|
| 241 |
-
raise ValueError(f"模型預測輸出維度錯誤,期望 4 個輸出,實際: {predictions.shape[1]}")
|
| 242 |
-
|
| 243 |
-
# 構建預測結果字典(取第一個樣本的預測)
|
| 244 |
-
result = {}
|
| 245 |
-
prediction_keys = ['Change_pct_t1_pred', 'Change_pct_t5_pred', 'Change_pct_t10_pred', 'Change_pct_t20_pred']
|
| 246 |
-
|
| 247 |
-
for i, key in enumerate(prediction_keys):
|
| 248 |
-
result[key] = float(predictions[0, i]) # 取第一個樣本的第 i 個預測
|
| 249 |
-
|
| 250 |
-
return result
|
| 251 |
|
| 252 |
except Exception as e:
|
| 253 |
-
print(f"
|
| 254 |
-
|
| 255 |
|
| 256 |
-
def
|
| 257 |
"""
|
| 258 |
-
|
| 259 |
|
| 260 |
Args:
|
| 261 |
-
|
| 262 |
-
|
| 263 |
-
|
| 264 |
-
us_market_data: 美股市場數據 (可選)
|
| 265 |
-
|
| 266 |
Returns:
|
| 267 |
-
|
| 268 |
"""
|
| 269 |
try:
|
| 270 |
-
#
|
| 271 |
-
|
| 272 |
-
|
| 273 |
-
|
| 274 |
-
|
| 275 |
|
| 276 |
-
#
|
| 277 |
-
|
|
|
|
|
|
|
| 278 |
|
| 279 |
-
#
|
| 280 |
-
|
| 281 |
-
if 'DJI' in us_market_data and len(us_market_data) > 1:
|
| 282 |
-
dji_return = (us_market_data['DJI'][-1] - us_market_data['DJI'][-2]) / us_market_data['DJI'][-2]
|
| 283 |
-
latest_data.loc[latest_data.index[0], 'dji_return_t-1'] = dji_return
|
| 284 |
-
|
| 285 |
-
if 'SOX' in us_market_data and len(us_market_data) > 1:
|
| 286 |
-
sox_return = (us_market_data['SOX'][-1] - us_market_data['SOX'][-2]) / us_market_data['SOX'][-2]
|
| 287 |
-
latest_data.loc[latest_data.index[0], 'sox_return_t-1'] = sox_return
|
| 288 |
|
| 289 |
# 進行預測
|
| 290 |
-
predictions = self.predict(
|
| 291 |
-
|
| 292 |
-
# 根據天數返回對應的預測值
|
| 293 |
-
if days == 1:
|
| 294 |
-
return predictions['Change_pct_t1_pred']
|
| 295 |
-
elif days == 5:
|
| 296 |
-
return predictions['Change_pct_t5_pred']
|
| 297 |
-
elif days == 10:
|
| 298 |
-
return predictions['Change_pct_t10_pred']
|
| 299 |
-
elif days == 20:
|
| 300 |
-
return predictions['Change_pct_t20_pred']
|
| 301 |
-
else:
|
| 302 |
-
# 對於其他天數,使用最接近的預測值
|
| 303 |
-
if days <= 3:
|
| 304 |
-
return predictions['Change_pct_t1_pred']
|
| 305 |
-
elif days <= 7:
|
| 306 |
-
return predictions['Change_pct_t5_pred']
|
| 307 |
-
elif days <= 15:
|
| 308 |
-
return predictions['Change_pct_t10_pred']
|
| 309 |
-
else:
|
| 310 |
-
return predictions['Change_pct_t20_pred']
|
| 311 |
-
|
| 312 |
-
except Exception as e:
|
| 313 |
-
print(f"單一時間框架預測失敗: {e}")
|
| 314 |
-
return 0.0
|
| 315 |
-
|
| 316 |
-
def validate_input_features(self, input_data):
|
| 317 |
-
"""
|
| 318 |
-
驗證輸入特徵的完整性和有效性
|
| 319 |
-
|
| 320 |
-
Args:
|
| 321 |
-
input_data: 輸入的特徵數據
|
| 322 |
|
| 323 |
-
|
| 324 |
-
|
| 325 |
-
|
| 326 |
-
|
| 327 |
-
|
| 328 |
-
|
| 329 |
-
|
| 330 |
-
|
| 331 |
-
|
| 332 |
-
|
| 333 |
-
|
| 334 |
-
|
| 335 |
-
|
| 336 |
-
|
| 337 |
-
|
| 338 |
-
|
| 339 |
-
|
| 340 |
-
|
| 341 |
-
|
| 342 |
-
|
| 343 |
-
|
| 344 |
-
validation_result['missing_features'] = missing_features
|
| 345 |
-
validation_result['is_valid'] = False
|
| 346 |
-
|
| 347 |
-
# 檢查數值有效性
|
| 348 |
-
for feature in self.feature_columns:
|
| 349 |
-
if feature in input_data.columns:
|
| 350 |
-
if input_data[feature].isnull().any():
|
| 351 |
-
validation_result['invalid_values'].append(f"{feature}: 包含NaN值")
|
| 352 |
-
|
| 353 |
-
if np.isinf(input_data[feature]).any():
|
| 354 |
-
validation_result['invalid_values'].append(f"{feature}: 包含無限值")
|
| 355 |
|
| 356 |
-
return
|
| 357 |
|
| 358 |
except Exception as e:
|
| 359 |
-
|
| 360 |
-
|
| 361 |
-
|
|
|
|
| 362 |
|
| 363 |
-
def
|
| 364 |
"""
|
| 365 |
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 366 |
|
| 367 |
Returns:
|
| 368 |
-
|
| 369 |
"""
|
| 370 |
-
if not self.is_model_loaded:
|
| 371 |
-
return {}
|
| 372 |
-
|
| 373 |
try:
|
| 374 |
-
|
| 375 |
-
|
| 376 |
-
|
| 377 |
-
for i, feature in enumerate(self.feature_columns):
|
| 378 |
-
importance_dict[feature] = float(importance_scores[i])
|
| 379 |
-
|
| 380 |
-
# 按重要性排序
|
| 381 |
-
sorted_importance = dict(sorted(importance_dict.items(), key=lambda x: x[1], reverse=True))
|
| 382 |
|
| 383 |
-
|
|
|
|
| 384 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 385 |
except Exception as e:
|
| 386 |
-
print(f"
|
| 387 |
-
return
|
| 388 |
|
| 389 |
-
def get_prediction_confidence(self,
|
| 390 |
"""
|
| 391 |
-
|
| 392 |
|
| 393 |
Args:
|
| 394 |
-
|
| 395 |
|
| 396 |
Returns:
|
| 397 |
-
float:
|
| 398 |
"""
|
| 399 |
try:
|
| 400 |
-
#
|
| 401 |
-
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|
| 402 |
|
| 403 |
-
|
| 404 |
-
return 0.3 # 數據有問題時給予較低信心度
|
| 405 |
|
| 406 |
-
#
|
| 407 |
-
base_confidence = 0.
|
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|
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-
|
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-
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| 411 |
|
| 412 |
-
if
|
| 413 |
-
base_confidence
|
| 414 |
|
| 415 |
-
return
|
| 416 |
|
| 417 |
except Exception as e:
|
| 418 |
-
print(f"
|
| 419 |
return 0.5
|
| 420 |
|
| 421 |
def validate_input(self, input_df):
|
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| 1 |
# model_predictor.py - 支援漲幅百分比輸出的XGBoost模型預測器
|
| 2 |
# 修改版本:輸出改為漲幅百分比而非絕對價格
|
| 3 |
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|
| 4 |
import os
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|
| 5 |
import pandas as pd
|
| 6 |
+
import numpy as np
|
| 7 |
import xgboost as xgb
|
| 8 |
+
from sklearn.preprocessing import StandardScaler
|
| 9 |
+
import pickle
|
| 10 |
import joblib
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|
| 11 |
|
| 12 |
class XGBoostModel:
|
| 13 |
def __init__(self):
|
| 14 |
"""
|
| 15 |
+
初始化 XGBoost 模型預測器
|
| 16 |
+
|
| 17 |
+
【重要更新】
|
| 18 |
+
- 模型現在輸出漲幅百分比而非絕對價格
|
| 19 |
+
- 支援 1日、5日、10日、20日的漲幅預測
|
| 20 |
"""
|
| 21 |
+
self.model = None
|
| 22 |
+
self.scaler = None
|
| 23 |
self.feature_columns = [
|
| 24 |
+
'close', # 前一日收盤價
|
| 25 |
+
'return_t-1', # 前一日報酬率
|
| 26 |
+
'return_t-5', # 過去 5 日累積報酬率
|
| 27 |
+
'MA5_close', # 5 日移動平均價
|
| 28 |
+
'volatility_5d', # 5 日報酬標準差
|
| 29 |
+
'volume_ratio_5d', # 今日成交量 ÷ 5 日均量
|
| 30 |
+
'MACD_diff', # MACD - signal
|
| 31 |
+
'dji_return_t-1', # 前一日道瓊指數報酬率
|
| 32 |
+
'sox_return_t-1', # 前一日費半指數報酬率
|
| 33 |
+
'NEWS' # 新聞情緒分數
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|
| 34 |
]
|
| 35 |
|
| 36 |
+
# 【新增】輸出目標對應表
|
| 37 |
+
self.output_targets = {
|
| 38 |
+
1: 'Change_pct_t1_pred', # 1天後漲幅%
|
| 39 |
+
5: 'Change_pct_t5_pred', # 5天後漲幅%
|
| 40 |
+
10: 'Change_pct_t10_pred', # 10天後漲幅%
|
| 41 |
+
20: 'Change_pct_t20_pred' # 20天後漲幅%
|
| 42 |
}
|
| 43 |
|
| 44 |
+
print("XGBoost 模型預測器初始化完成")
|
| 45 |
+
print("輸出格式:漲幅百分比 (1日, 5日, 10日, 20日)")
|
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|
| 46 |
|
| 47 |
+
def load_model(self, model_path):
|
| 48 |
"""
|
| 49 |
+
載入預訓練的 XGBoost 模型
|
|
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|
| 50 |
|
| 51 |
Args:
|
| 52 |
+
model_path (str): 模型檔案路徑 (.json 格式)
|
| 53 |
+
|
| 54 |
Returns:
|
| 55 |
+
bool: 是否成功載入
|
| 56 |
"""
|
| 57 |
+
try:
|
| 58 |
+
# 檢查模型檔案是否存在
|
| 59 |
+
if not os.path.exists(model_path):
|
| 60 |
+
print(f"錯誤:找不到模型檔案 {model_path}")
|
| 61 |
+
return False
|
| 62 |
+
|
| 63 |
+
# 載入 XGBoost 模型
|
| 64 |
+
self.model = xgb.XGBRegressor()
|
| 65 |
+
self.model.load_model(model_path)
|
| 66 |
+
|
| 67 |
+
print(f"成功載入模型:{model_path}")
|
| 68 |
+
print(f"預期特徵數量:{len(self.feature_columns)}")
|
| 69 |
+
|
| 70 |
+
return True
|
| 71 |
+
|
| 72 |
+
except Exception as e:
|
| 73 |
+
print(f"載入模型時發生錯誤:{e}")
|
| 74 |
+
return False
|
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|
| 75 |
|
| 76 |
+
def load_scaler(self, scaler_path):
|
| 77 |
"""
|
| 78 |
+
載入特徵標準化器
|
| 79 |
|
| 80 |
Args:
|
| 81 |
+
scaler_path (str): 標準化器檔案路徑 (.pkl 格式)
|
| 82 |
+
|
| 83 |
Returns:
|
| 84 |
+
bool: 是否成功載入
|
| 85 |
"""
|
| 86 |
try:
|
| 87 |
+
if os.path.exists(scaler_path):
|
| 88 |
+
self.scaler = joblib.load(scaler_path)
|
| 89 |
+
print(f"成功載入標準化器:{scaler_path}")
|
| 90 |
+
return True
|
|
|
|
| 91 |
else:
|
| 92 |
+
print(f"警告:找不到標準化器檔案 {scaler_path}")
|
| 93 |
+
print("將使用預設標準化器")
|
| 94 |
+
self.scaler = StandardScaler()
|
| 95 |
return False
|
| 96 |
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|
| 97 |
except Exception as e:
|
| 98 |
+
print(f"載入標準化器時發生錯誤:{e}")
|
| 99 |
+
self.scaler = StandardScaler()
|
| 100 |
return False
|
| 101 |
|
| 102 |
+
def preprocess_features(self, input_df):
|
| 103 |
"""
|
| 104 |
+
預處理輸入特徵
|
| 105 |
|
| 106 |
Args:
|
| 107 |
+
input_df (pd.DataFrame): 輸入特徵 DataFrame
|
|
|
|
| 108 |
|
| 109 |
Returns:
|
| 110 |
+
pd.DataFrame: 預處理後的特徵
|
| 111 |
"""
|
|
|
|
|
|
|
|
|
|
|
|
|
| 112 |
try:
|
| 113 |
+
# 確保輸入包含所有必要特徵
|
| 114 |
+
missing_features = [f for f in self.feature_columns if f not in input_df.columns]
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
| 115 |
if missing_features:
|
| 116 |
+
print(f"警告:缺少以下特徵:{missing_features}")
|
| 117 |
+
# 用 0 填補缺少的特徵
|
| 118 |
+
for feature in missing_features:
|
| 119 |
+
input_df[feature] = 0
|
| 120 |
|
| 121 |
+
# 按照預期順序重新排列特徵
|
| 122 |
+
input_df = input_df[self.feature_columns]
|
| 123 |
|
| 124 |
+
# 處理 NaN 值
|
| 125 |
+
input_df = input_df.fillna(0)
|
|
|
|
|
|
|
| 126 |
|
| 127 |
+
# 如果有標準化器,進行標準化
|
| 128 |
if self.scaler is not None:
|
| 129 |
+
try:
|
| 130 |
+
# 嘗試使用已訓練的標準化器
|
| 131 |
+
scaled_features = self.scaler.transform(input_df)
|
| 132 |
+
input_df = pd.DataFrame(scaled_features,
|
| 133 |
+
columns=input_df.columns,
|
| 134 |
+
index=input_df.index)
|
| 135 |
+
except Exception as scaler_error:
|
| 136 |
+
print(f"標準化過程發生錯誤:{scaler_error}")
|
| 137 |
+
print("跳過標準化步驟")
|
| 138 |
+
|
| 139 |
+
return input_df
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 140 |
|
| 141 |
except Exception as e:
|
| 142 |
+
print(f"特徵預處理時發生錯誤:{e}")
|
| 143 |
+
return input_df
|
| 144 |
|
| 145 |
+
def predict(self, model_name, input_df):
|
| 146 |
"""
|
| 147 |
+
進行股價漲幅預測
|
| 148 |
|
| 149 |
Args:
|
| 150 |
+
model_name (str): 模型名稱(用於載入對應模型)
|
| 151 |
+
input_df (pd.DataFrame): 輸入特徵
|
| 152 |
+
|
|
|
|
|
|
|
| 153 |
Returns:
|
| 154 |
+
dict: 預測結果,包含各時間點的漲幅百分比
|
| 155 |
"""
|
| 156 |
try:
|
| 157 |
+
# 載入模型(如果尚未載入)
|
| 158 |
+
if self.model is None:
|
| 159 |
+
model_path = f"{model_name}.json"
|
| 160 |
+
if not self.load_model(model_path):
|
| 161 |
+
return None
|
| 162 |
|
| 163 |
+
# 載入標準化器(如果存在)
|
| 164 |
+
if self.scaler is None:
|
| 165 |
+
scaler_path = f"{model_name}_scaler.pkl"
|
| 166 |
+
self.load_scaler(scaler_path)
|
| 167 |
|
| 168 |
+
# 預處理特徵
|
| 169 |
+
processed_df = self.preprocess_features(input_df.copy())
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 170 |
|
| 171 |
# 進行預測
|
| 172 |
+
predictions = self.model.predict(processed_df)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 173 |
|
| 174 |
+
# 【重要修改】將預測結果格式化為漲幅百分比
|
| 175 |
+
if predictions.ndim == 1:
|
| 176 |
+
# 如果只有一個輸出,假設是 1 日預測
|
| 177 |
+
result = {
|
| 178 |
+
'Change_pct_t1_pred': float(predictions[0])
|
| 179 |
+
}
|
| 180 |
+
else:
|
| 181 |
+
# 多輸出情況:1日, 5日, 10日, 20日
|
| 182 |
+
result = {
|
| 183 |
+
'Change_pct_t1_pred': float(predictions[0][0]) if len(predictions[0]) > 0 else 0.0,
|
| 184 |
+
'Change_pct_t5_pred': float(predictions[0][1]) if len(predictions[0]) > 1 else 0.0,
|
| 185 |
+
'Change_pct_t10_pred': float(predictions[0][2]) if len(predictions[0]) > 2 else 0.0,
|
| 186 |
+
'Change_pct_t20_pred': float(predictions[0][3]) if len(predictions[0]) > 3 else 0.0
|
| 187 |
+
}
|
| 188 |
+
|
| 189 |
+
# 輸出預測結果摘要
|
| 190 |
+
print("=== 漲幅預測結果 ===")
|
| 191 |
+
for key, value in result.items():
|
| 192 |
+
days = key.split('_')[2][1:] # 提取天數
|
| 193 |
+
direction = "上漲" if value > 0 else "下跌"
|
| 194 |
+
print(f" {days}日後預測: {value:+.2f}% ({direction})")
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 195 |
|
| 196 |
+
return result
|
| 197 |
|
| 198 |
except Exception as e:
|
| 199 |
+
print(f"預測過程中發生錯誤:{e}")
|
| 200 |
+
import traceback
|
| 201 |
+
traceback.print_exc()
|
| 202 |
+
return None
|
| 203 |
|
| 204 |
+
def predict_single_timeframe(self, model_name, input_df, days):
|
| 205 |
"""
|
| 206 |
+
預測特定時間框架的漲幅
|
| 207 |
+
|
| 208 |
+
Args:
|
| 209 |
+
model_name (str): 模型名稱
|
| 210 |
+
input_df (pd.DataFrame): 輸入特徵
|
| 211 |
+
days (int): 預測天數 (1, 5, 10, 20)
|
| 212 |
|
| 213 |
Returns:
|
| 214 |
+
float: 預測的漲幅百分比
|
| 215 |
"""
|
|
|
|
|
|
|
|
|
|
| 216 |
try:
|
| 217 |
+
predictions = self.predict(model_name, input_df)
|
| 218 |
+
if predictions is None:
|
| 219 |
+
return None
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 220 |
|
| 221 |
+
# 根據天數選擇對應的預測結果
|
| 222 |
+
target_key = f'Change_pct_t{days}_pred'
|
| 223 |
|
| 224 |
+
if target_key in predictions:
|
| 225 |
+
return predictions[target_key]
|
| 226 |
+
else:
|
| 227 |
+
print(f"警告:找不到 {days} 日預測結果")
|
| 228 |
+
return None
|
| 229 |
+
|
| 230 |
except Exception as e:
|
| 231 |
+
print(f"單一時間框架預測時發生錯誤:{e}")
|
| 232 |
+
return None
|
| 233 |
|
| 234 |
+
def get_prediction_confidence(self, input_df):
|
| 235 |
"""
|
| 236 |
+
評估預測的信心度
|
| 237 |
|
| 238 |
Args:
|
| 239 |
+
input_df (pd.DataFrame): 輸入特徵
|
| 240 |
|
| 241 |
Returns:
|
| 242 |
+
float: 信心度 (0-1)
|
| 243 |
"""
|
| 244 |
try:
|
| 245 |
+
# 基於特徵完整性和質量評估信心度
|
| 246 |
+
feature_completeness = 0
|
| 247 |
+
total_features = len(self.feature_columns)
|
| 248 |
+
|
| 249 |
+
for feature in self.feature_columns:
|
| 250 |
+
if feature in input_df.columns:
|
| 251 |
+
value = input_df[feature].iloc[0]
|
| 252 |
+
if not pd.isna(value) and value != 0:
|
| 253 |
+
feature_completeness += 1
|
| 254 |
|
| 255 |
+
completeness_ratio = feature_completeness / total_features
|
|
|
|
| 256 |
|
| 257 |
+
# 基於數據質量調整信心度
|
| 258 |
+
base_confidence = max(0.5, completeness_ratio)
|
| 259 |
|
| 260 |
+
# 如果重要特徵缺失,降低信心度
|
| 261 |
+
important_features = ['close', 'return_t-1', 'MA5_close']
|
| 262 |
+
missing_important = 0
|
| 263 |
+
for feature in important_features:
|
| 264 |
+
if feature not in input_df.columns or pd.isna(input_df[feature].iloc[0]):
|
| 265 |
+
missing_important += 1
|
| 266 |
|
| 267 |
+
if missing_important > 0:
|
| 268 |
+
base_confidence *= (1 - missing_important * 0.1)
|
| 269 |
|
| 270 |
+
return min(0.9, max(0.3, base_confidence))
|
| 271 |
|
| 272 |
except Exception as e:
|
| 273 |
+
print(f"計算信心度時發生錯誤:{e}")
|
| 274 |
return 0.5
|
| 275 |
|
| 276 |
def validate_input(self, input_df):
|