fix: Step7 UI坍塌修复+EventBus打通 + DRY抽离spxy/ks + GridSearchCV→RandomizedSearchCV + smoke test死链修复
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@ -13,6 +13,7 @@ import sys
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import os
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from src.preprocessing.spectral_Preprocessing import Preprocessing
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from src.core.utils.split_methods import spxy, ks
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# try:
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# from modeling import WaterQualityModeling
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@ -138,159 +139,12 @@ class WaterQualityInference:
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return X_train, X_test, y_train, y_test
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def spxy(self, data, label, test_size=0.2):
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"""
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SPXY算法划分数据集(考虑X和Y空间的距离)
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Args:
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data: shape (n_samples, n_features)
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label: shape (n_samples, )
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test_size: 测试集比例,默认: 0.2
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Returns:
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X_train: (n_samples, n_features)
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X_test: (n_samples, n_features)
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y_train: (n_samples, )
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y_test: (n_samples, )
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"""
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# 确保 data 和 label 是 NumPy 数组
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data = data.to_numpy() if isinstance(data, pd.DataFrame) else data
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label = label.to_numpy() if isinstance(label, pd.Series) else label
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# 备份原始数据和标签
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x_backup = data
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y_backup = label
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M = data.shape[0]
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N = round((1 - test_size) * M)
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samples = np.arange(M)
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# 归一化标签数据
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label = (label - np.mean(label)) / np.std(label)
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D = np.zeros((M, M))
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Dy = np.zeros((M, M))
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# 计算样本之间的距离
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for i in range(M - 1):
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xa = data[i, :]
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ya = label[i]
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for j in range((i + 1), M):
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xb = data[j, :]
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yb = label[j]
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D[i, j] = np.linalg.norm(xa - xb)
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Dy[i, j] = np.linalg.norm(ya - yb)
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# 距离归一化
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Dmax = np.max(D)
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Dymax = np.max(Dy)
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D = D / Dmax + Dy / Dymax
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# 找到最远的两个点
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maxD = D.max(axis=0)
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index_row = D.argmax(axis=0)
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index_column = maxD.argmax()
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m = np.zeros(N, dtype=int)
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m[0] = index_row[index_column]
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m[1] = index_column
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dminmax = np.zeros(N)
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dminmax[1] = D[m[0], m[1]]
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# 根据距离选择训练集
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for i in range(2, N):
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pool = np.delete(samples, m[:i])
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dmin = np.zeros(M - i)
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for j in range(M - i):
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indexa = pool[j]
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d = np.zeros(i)
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for k in range(i):
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indexb = m[k]
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if indexa < indexb:
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d[k] = D[indexa, indexb]
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else:
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d[k] = D[indexb, indexa]
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dmin[j] = np.min(d)
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dminmax[i] = np.max(dmin)
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index = np.argmax(dmin)
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m[i] = pool[index]
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m_complement = np.delete(samples, m)
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# 划分训练集和测试集
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X_train = data[m, :]
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y_train = y_backup[m]
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X_test = data[m_complement, :]
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y_test = y_backup[m_complement]
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return X_train, X_test, y_train, y_test
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"""SPXY算法划分数据集(委托至 src.core.utils.split_methods.spxy)"""
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return spxy(data, label, test_size=test_size)
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def ks(self, data, label, test_size=0.2):
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"""
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Kennard-Stone算法划分数据集
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Args:
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data: shape (n_samples, n_features)
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label: shape (n_sample, )
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test_size: 测试集比例,默认: 0.2
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Returns:
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X_train: (n_samples, n_features)
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X_test: (n_samples, n_features)
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y_train: (n_samples, )
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y_test: (n_samples, )
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"""
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# 确保 data 和 label 是 NumPy 数组
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data = data.to_numpy() if isinstance(data, pd.DataFrame) else data
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label = label.to_numpy() if isinstance(label, pd.Series) else label
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M = data.shape[0]
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N = round((1 - test_size) * M)
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samples = np.arange(M)
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D = np.zeros((M, M))
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for i in range((M - 1)):
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xa = data[i, :]
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for j in range((i + 1), M):
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xb = data[j, :]
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D[i, j] = np.linalg.norm(xa - xb)
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maxD = np.max(D, axis=0)
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index_row = np.argmax(D, axis=0)
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index_column = np.argmax(maxD)
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m = np.zeros(N)
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m[0] = np.array(index_row[index_column])
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m[1] = np.array(index_column)
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m = m.astype(int)
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dminmax = np.zeros(N)
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dminmax[1] = D[m[0], m[1]]
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for i in range(2, N):
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pool = np.delete(samples, m[:i])
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dmin = np.zeros((M - i))
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for j in range((M - i)):
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indexa = pool[j]
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d = np.zeros(i)
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for k in range(i):
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indexb = m[k]
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if indexa < indexb:
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d[k] = D[indexa, indexb]
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else:
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d[k] = D[indexb, indexa]
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dmin[j] = np.min(d)
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dminmax[i] = np.max(dmin)
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index = np.argmax(dmin)
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m[i] = pool[index]
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m_complement = np.delete(np.arange(data.shape[0]), m)
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X_train = data[m, :]
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y_train = label[m]
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X_test = data[m_complement, :]
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y_test = label[m_complement]
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return X_train, X_test, y_train, y_test
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"""Kennard-Stone算法划分数据集(委托至 src.core.utils.split_methods.ks)"""
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return ks(data, label, test_size=test_size)
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def split_data(self, X: np.ndarray, y: pd.Series, method: str = "random",
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test_size: float = 0.2, random_state: int = 42) -> Tuple[np.ndarray, np.ndarray, np.ndarray, np.ndarray]:
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