import data as data import pandas as pd import warnings import numpy as np import matplotlib.pyplot as plt from sklearn.ensemble import IsolationForest from sklearn.pipeline import Pipeline from sklearn.preprocessing import StandardScaler warnings.filterwarnings('ignore') plt.rcParams['font.sans-serif'] =['SimHei'] ##显示中文 plt.rcParams['axes.unicode_minus'] = False data = pd.read_csv('./data/dataset.csv') data['label'] = 0 # 异常值 # 三列值小于0 data.loc[(data['WindSpeed'] <= 0), 'label'] = 1 data.loc[(data['Power'] <= 0), 'label'] = 1 data.loc[(data['RotorSpeed'] <= 0), 'label'] = 1 def isolationForest_model(contamination='auto',max_samples=0.1,isStandard=True): if isStandard: model = Pipeline([ ('ss', StandardScaler()), #数据标准化过程 ('iForest', IsolationForest(max_samples=max_samples,contamination=contamination))]) else: model = Pipeline([ ('iForest', IsolationForest(max_samples=max_samples,contamination=contamination))]) return model features=['WindSpeed','Power', 'RotorSpeed'] new_data=pd.DataFrame() new_data=new_data.append(data[data['label']==1]) df1 = data['label']==0 model = isolationForest_model(isStandard=True,contamination=0.05) model.fit(df1[features]) #返回1表示正常值，-1表示异常值 result = model.predict(df1[features]) df1['label'] = result df1['label']=df1['label'].map({-1:1,1:0}) new_data=new_data.append(df1) new_data.loc[new_data['label']!=0,'label']=1

data_gener_import.py.tar.gz_data-import_数据模拟

这个名为"data_gener_import.py.tar.gz_data-import_数据模拟"的压缩包文件显然提供了这样一个工具，用于生成模拟数据并将其导入到本地数据库。让我们深入探讨这个过程涉及的关键知识点。首先，data_gener_import...

import pandas as pd.docx

from sklearn.ensemble import RandomForestRegressor from sklearn.model_selection import train_test_split from sklearn.metrics import mean_squared_error X = wine_data.drop('alcohol', axis=1) y = wine_...

在Python中想运行from sklearn.model_selection import train_test_split from sklearn.decomposition import PCA import pandas as pd from sklearn import svm import numpy as np import math import matplotlib.pyplot as plt import matplotlib as mpl from matplotlib import colors from sklearn.model_selection import train_test_split from sklearn import datasets from matplotlib.colors import ListedColormap from sklearn.svm import SVC from sklearn.preprocessing import StandardScaler from sklearn.model_selection import StratifiedShuffleSplit,StratifiedKFold from sklearn.model_selection import GridSearchCV from sklearn.model_selection import GridSearchCV, LeaveOneOut, cross_val_predict from sklearn.model_selection import KFold from sklearn.linear_model import LogisticRegression from sklearn.naive_bayes import GaussianNB from sklearn.neighbors import KNeighborsClassifier from sklearn import svm from sklearn.tree import DecisionTreeClassifier from sklearn.ensemble import RandomForestClassifier from sklearn.metrics import roc_auc_score from sklearn.metrics import roc_auc_score import math import datetime import multiprocessing as mp from sklearn.ensemble import StackingClassifier from sklearn.pipeline import make_pipeline from sklearn.svm import LinearSVC import random怎么操作

import matplotlib.pyplot as plt import matplotlib as mpl from matplotlib import colors from sklearn.model_selection import train_test_split from sklearn import datasets from matplotlib.colors import ...

import pandas as pd import numpy as np import matplotlib.pyplot as plt from sklearn.model_selection import train_test_split from sklearn.preprocessing import MinMaxScaler from sklearn.linear_model import LogisticRegression from sklearn.tree import DecisionTreeClassifier from sklearn.neighbors import KNeighborsClassifier from sklearn.svm import SVC from sklearn.metrics import classification_report from sklearn.metrics import confusion_matrix

这段代码是在 Python 中导入了一些常用的机器学习库和模块，包括 pandas、numpy、matplotlib、sklearn 等。其中： - pandas 是 Python 中常用的数据分析库，可以用来读取和处理数据； - numpy 是 Python 中常用的...

import pandas as pd import numpy as np from sklearn.cluster import DBSCAN import matplotlib.pyplot as plt from sklearn.cluster import KMeans

这段代码导入了pandas、numpy、matplotlib.pyplot和sklearn.cluster库，其中sklearn.cluster库中包括了DBSCAN和KMeans聚类算法。pandas和numpy库常用于数据处理和科学计算，matplotlib.pyplot库常用于数据可视化。你...

import numpy as np import pandas import pandas as pd import matplotlib from sklearn import naive_bayes from sklearn.preprocessing import MinMaxScaler from sklearn.preprocessing import StandardScaler from sklearn.preprocessing import normalize from sklearn.preprocessing import Binarizer from sklearn.impute import SimpleImputer from sklearn.preprocessing import OneHotEncoder import matplotlib.pyplot as plt from sklearn.metrics import roc_curve, auc from sklearn.model_selection import train_test_split from sklearn.linear_model import LogisticRegression from sklearn.metrics import confusion_matrix matplotlib.rc("font", family='Microsoft YaHei') data=pd.read_csv(r'D:\杂货铺\机器学习\银行数据集.csv',header=None)

这段代码导入了一系列的Python库，包括NumPy、Pandas、Matplotlib、scikit-learn等。其中，NumPy是Python科学计算的核心库，Pandas是数据处理的重要库，Matplotlib是绘图库，scikit-learn是机器学习库。接下来，使用...

import numpy as np import matplotlib.pyplot as plt import pandas as pd import seaborn as sns from sklearn.datasets import load_boston from sklearn.model_selection import train_test_split from sklearn.linear_model import LinearRegression from sklearn import metrics from sklearn import preprocessing

你给出的是 Python 的代码，我看到你正在使用一些流行的 Python 库，如 NumPy、matplotlib、pandas 和 seaborn，以及一些机器学习相关的库，如 scikit-learn。这些库都是非常有用的，能够帮助你进行数据分析、可视化...

from sklearn.datasets import load_boston import numpy as np import pandas as pd import matplotlib.pyplot as plt from sklearn.linear_model import LassoCV import seaborn as sns from sklearn.preprocessing import StandardScaler from sklearn.model_selection import train_test_split

- matplotlib.pyplot：用于绘制数据可视化图表，如折线图、散点图等。 - sklearn.linear_model：用于线性回归模型的构建和训练。 - seaborn：基于matplotlib的数据可视化库，提供更加美观的图表风格。 - sklearn....

import numpy as np import pandas as pd import matplotlib.pyplot as plt from matplotlib import rcParams import seaborn as sns import warnings from sklearn.neighbors import KNeighborsClassifier包含的库函数

这段代码包含了以下库函数： ...1. plt：matplotlib的pyplot子模块，提供了更简便的API来绘制图表； 2. rcParams：matplotlib的默认参数设置，可以用来设置全局的绘图参数； 3. warnings：用于控制警告信息的输出。

import pandas as pd from sklearn import tree from sklearn.ensemble import RandomForestClassifier import matplotlib.pyplot as plt import numpy as np heart=pd.read_csv("D:\Anaconda1\heart.csv") heart.head()

- import matplotlib.pyplot as plt：导入matplotlib库，并将其命名为plt，方便后续使用。 - import numpy as np：导入numpy库，并将其命名为np，方便后续使用。 - heart=pd.read_csv("D:\Anaconda1\heart.csv...

import pandas as pd import numpy as np from sklearn.model_selection import train_test_split from sklearn.linear_model import LogisticRegression from sklearn import metrics import matplotlib.pyplot as plt

- import matplotlib.pyplot as plt 导入了 matplotlib 库中的 pyplot 模块，并将其重命名为 plt，用于绘制数据可视化图形。这段代码的目的是导入所需的库和模块，以便在后续的代码中使用它们进行数据处理、模型...

import pandas as pd import numpy as np import matplotlib.pyplot as plt import seaborn as sns from sklearn import tree

以下是使用import语句导入pandas、numpy、matplotlib.pyplot、seaborn和sklearn.tree的示例代码： python import pandas as pd import numpy as np import matplotlib.pyplot as plt import seaborn as sns from...

import pandas as pd import os from sklearn.model_selection import train_test_split from sklearn.ensemble import RandomForestClassifier from sklearn.metrics import accuracy_score # 计算准确性 import numpy as np from sklearn.tree import plot_tree import matplotlib.pyplot as plt # 画图 from sklearn.metrics import confusion_matrix # 绘制混淆矩阵时使用 from sklearn.metrics import roc_curve, auc # 绘制ROC曲线时使用 from sklearn.preprocessing import label_binarize # 使用sklearn中的LabelBinarizer可以将多分类标签转化为二分类标签 from sklearn.preprocessing import LabelEncoder from sklearn.preprocessing import LabelBinarizer

您的代码看起来像是在使用Python中的一些流行的机器学习库，如Pandas、Scikit-learn和Numpy。通过这些库，您可以进行数据处理、训练和评估机器学习模型。具体来说，您的代码中使用了以下功能： - 导入了pandas、...

import pandas as pd import numpy as np import matplotlib.pyplot as plt from pylab import * import seaborn as sns import os from scipy import stats from sklearn import model_selection, preprocessing, naive_bayes, metrics, svm from sklearn.model_selection import train_test_split, GridSearchCV from sklearn.linear_model import LogisticRegression from sklearn.neighbors import KNeighborsClassifier from sklearn import ensemble, tree # 忽略警告提示

- pandas：用于数据处理和分析的Python库。 - numpy：用于数值计算的Python库。 - matplotlib：用于绘制数据可视化图表的Python库。 - pylab：Matplotlib中的一个模块，提供了许多方便的函数和工具来创建各种类型的...

import pandas as pd import numpy as np from scipy import stats from sklearn.cluster import KMeans import matplotlib.pyplot as plt

这段代码的作用是导入一些常用的机器学习和数据分析库，包括pandas、numpy、scipy、sklearn和matplotlib.pyplot。其中，pandas和numpy用于数据处理和操作，scipy用于科学计算，sklearn用于机器学习算法，matplotlib...

解释这段代码import numpy as np import pandas as pd from datetime import datetime from scipy.stats import skew from scipy.special import boxcox1p from scipy.stats import boxcox_normmax from sklearn.linear_model import ElasticNetCV, LassoCV, RidgeCV, Ridge from sklearn.ensemble import GradientBoostingRegressor from sklearn.svm import SVR from sklearn.pipeline import make_pipeline from sklearn.preprocessing import RobustScaler, StandardScaler from sklearn.model_selection import KFold, cross_val_score from sklearn.metrics import mean_squared_error as mse from sklearn.metrics import make_scorer from sklearn.neighbors import LocalOutlierFactor from sklearn.linear_model import LinearRegression from mlxtend.regressor import StackingCVRegressor # from xgboost import XGBRegressor # from lightgbm import LGBMRegressor import matplotlib.pyplot as plt import seaborn as sns

这段代码是在Python中导入所需要的库和模块...- import matplotlib.pyplot as plt：导入matplotlib库，并将其简写为plt，用于绘制图形。 - import seaborn as sns：导入seaborn库，并将其简写为sns，用于绘制图形。

import numpy as np import matplotlib.pyplot as plt import pandas as pd import torch import torch.nn as nn from setuptools.sandbox import save_path from sklearn.preprocessing import StandardScaler, MinMaxScaler from torch.utils.data import TensorDataset from tqdm import tqdm

- numpy：用于科学计算的 Python 库，提供了高性能的多维数组（ndarray）对象和相关的计算功能； - matplotlib：用于绘制图表和数据可视化的 Python 库； - pandas：用于数据处理和分析的 Python 库，提供了高性能、...

import pandas as pd import openpyxl # import matplotlib.pyplot as plt import numpy as np from sklearn.ensemble import AdaBoostClassifier from sklearn.model_selection import train_test_split # 打开Excel文件 wb = openpyxl.load_workbook('./处理过的训练集/987027.xlsx')

其中，pandas库用于数据的处理和分析，openpyxl库用于读写Excel文件，numpy库用于数值计算，sklearn库用于机器学习算法的实现。对于打开Excel文件的操作，需要指定文件路径和文件名，本例中文件路径为'./处理过的...

import torchimport pandas as pdimport numpy as npimport matplotlib.pyplot as pltfrom torch.utils.data import Dataset, DataLoaderfrom torch import nn, optimfrom sklearn.decomposition import PCA运算过程

- pandas：是一个用于数据处理和分析的Python库，支持导入和导出各种数据格式。 - numpy：是一个用于科学计算的Python库，支持大量的数值运算。 - matplotlib：是一个用于绘制图形的Python库，支持各种类型的图形...

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data_gener_import.py.tar.gz_data-import_数据模拟

import pandas as pd.docx

import pandas as pd import numpy as np from sklearn.cluster import DBSCAN import matplotlib.pyplot as plt from sklearn.cluster import KMeans

import numpy as np import matplotlib.pyplot as plt import pandas as pd import seaborn as sns from sklearn.datasets import load_boston from sklearn.model_selection import train_test_split from sklearn.linear_model import LinearRegression from sklearn import metrics from sklearn import preprocessing

from sklearn.datasets import load_boston import numpy as np import pandas as pd import matplotlib.pyplot as plt from sklearn.linear_model import LassoCV import seaborn as sns from sklearn.preprocessing import StandardScaler from sklearn.model_selection import train_test_split

import numpy as np import pandas as pd import matplotlib.pyplot as plt from matplotlib import rcParams import seaborn as sns import warnings from sklearn.neighbors import KNeighborsClassifier包含的库函数

import pandas as pd from sklearn import tree from sklearn.ensemble import RandomForestClassifier import matplotlib.pyplot as plt import numpy as np heart=pd.read_csv("D:\Anaconda1\heart.csv") heart.head()

import pandas as pd import numpy as np from sklearn.model_selection import train_test_split from sklearn.linear_model import LogisticRegression from sklearn import metrics import matplotlib.pyplot as plt

import pandas as pd import numpy as np import matplotlib.pyplot as plt import seaborn as sns from sklearn import tree

import pandas as pd import numpy as np from scipy import stats from sklearn.cluster import KMeans import matplotlib.pyplot as plt

import numpy as np import matplotlib.pyplot as plt import pandas as pd import torch import torch.nn as nn from setuptools.sandbox import save_path from sklearn.preprocessing import StandardScaler, MinMaxScaler from torch.utils.data import TensorDataset from tqdm import tqdm

import pandas as pd import openpyxl # import matplotlib.pyplot as plt import numpy as np from sklearn.ensemble import AdaBoostClassifier from sklearn.model_selection import train_test_split # 打开Excel文件 wb = openpyxl.load_workbook('./处理过的训练集/987027.xlsx')

import torchimport pandas as pdimport numpy as npimport matplotlib.pyplot as pltfrom torch.utils.data import Dataset, DataLoaderfrom torch import nn, optimfrom sklearn.decomposition import PCA运算过程

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