吴裕雄 python 机器学习——K均值聚类KMeans模型
摘要:import numpy as np import matplotlib.pyplot as plt from sklearn import cluster from sklearn.metrics import adjusted_rand_score from sklearn.datasets.samples_generator import make_blobs def create_...
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吴裕雄 python 机器学习——聚类
摘要:import numpy as np import matplotlib.pyplot as plt from sklearn.datasets.samples_generator import make_blobs def create_data(centers,num=100,std=0.7): ''' 生成用于聚类的数据集 :param centers: 聚类...
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吴裕雄 python 机器学习——局部线性嵌入LLE降维模型
摘要:# -*- coding: utf-8 -*- import numpy as np import matplotlib.pyplot as plt from sklearn import datasets,manifold def load_data(): ''' 加载用于降维的数据 ''' # 使用 scikit-learn 自带的 iris 数据集 ...
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吴裕雄 python 机器学习——等度量映射Isomap降维模型
摘要:# -*- coding: utf-8 -*- import numpy as np import matplotlib.pyplot as plt from sklearn import datasets,manifold def load_data(): ''' 加载用于降维的数据 ''' # 使用 scikit-learn 自带的 iris 数据集 ...
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吴裕雄 python 机器学习——多维缩放降维MDS模型
摘要:# -*- coding: utf-8 -*- import numpy as np import matplotlib.pyplot as plt from sklearn import datasets,manifold def load_data(): ''' 加载用于降维的数据 ''' # 使用 scikit-learn 自带的 iris 数据集 ...
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吴裕雄 python 机器学习——核化PCAKernelPCA模型
摘要:................... ....................
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吴裕雄 python 机器学习——超大规模数据集降维IncrementalPCA模型
摘要:# -*- coding: utf-8 -*- import numpy as np import matplotlib.pyplot as plt from sklearn import datasets,decomposition def load_data(): ''' 加载用于降维的数据 ''' # 使用 scikit-learn 自带的 iris ...
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吴裕雄 python 机器学习——主成份分析PCA降维
摘要:# -*- coding: utf-8 -*- import numpy as np import matplotlib.pyplot as plt from sklearn import datasets,decomposition def load_data(): ''' 加载用于降维的数据 ''' # 使用 scikit-learn 自带的 iris ...
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吴裕雄 python 机器学习——KNN回归KNeighborsRegressor模型
摘要:import numpy as np import matplotlib.pyplot as plt from sklearn import neighbors, datasets from sklearn.model_selection import train_test_split def create_regression_data(n): ''' 创建回归模型使用的数...
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吴裕雄 python 机器学习——KNN分类KNeighborsClassifier模型
摘要:import numpy as np import matplotlib.pyplot as plt from sklearn import neighbors, datasets from sklearn.model_selection import train_test_split def load_classification_data(): # 使用 scikit-learn...
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吴裕雄 python 机器学习——伯努利贝叶斯BernoulliNB模型
摘要:import numpy as np import matplotlib.pyplot as plt from sklearn import datasets,naive_bayes from sklearn.model_selection import train_test_split # 加载 scikit-learn 自带的 digits 数据集 def load_data(): ...
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吴裕雄 python 机器学习——多项式贝叶斯分类器MultinomialNB模型
摘要:import numpy as np import matplotlib.pyplot as plt from sklearn import datasets,naive_bayes from sklearn.model_selection import train_test_split # 加载 scikit-learn 自带的 digits 数据集 def load_data(): ...
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吴裕雄 python 机器学习——高斯贝叶斯分类器GaussianNB
摘要:import matplotlib.pyplot as plt from sklearn import datasets,naive_bayes from sklearn.model_selection import train_test_split # 加载 scikit-learn 自带的 digits 数据集 def load_data(): ''' 加载用于分类问题...
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吴裕雄 python 机器学习——分类决策树模型
摘要:import numpy as np import matplotlib.pyplot as plt from sklearn import datasets from sklearn.model_selection import train_test_split from sklearn.tree import DecisionTreeClassifier,DecisionTreeRegre...
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吴裕雄 python 机器学习——回归决策树模型
摘要:import numpy as np import matplotlib.pyplot as plt from sklearn import datasets from sklearn.model_selection import train_test_split from sklearn.tree import DecisionTreeClassifier,DecisionTreeRegre...
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吴裕雄 python 机器学习——线性判断分析LinearDiscriminantAnalysis
摘要:import numpy as np import matplotlib.pyplot as plt from matplotlib import cm from mpl_toolkits.mplot3d import Axes3D from sklearn.model_selection import train_test_split from sklearn import datasets...
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吴裕雄 python 机器学习——逻辑回归
摘要:import numpy as np import matplotlib.pyplot as plt from matplotlib import cm from mpl_toolkits.mplot3d import Axes3D from sklearn import datasets, linear_model from sklearn.model_selection import tr...
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吴裕雄 python 机器学习——ElasticNet回归
摘要:import numpy as np import matplotlib.pyplot as plt from matplotlib import cm from mpl_toolkits.mplot3d import Axes3D from sklearn import datasets, linear_model from sklearn.model_selection import tr...
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吴裕雄 python 机器学习——Lasso回归
摘要:import numpy as np import matplotlib.pyplot as plt from sklearn import datasets, linear_model from sklearn.model_selection import train_test_split def load_data(): diabetes = datasets.load_diab...
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吴裕雄 python 机器学习——岭回归
摘要:import numpy as np import matplotlib.pyplot as plt from sklearn import datasets, linear_model from sklearn.model_selection import train_test_split def load_data(): diabetes = datasets.load_diab...
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吴裕雄 python 机器学习——线性回归模型
摘要:import numpy as np from sklearn import datasets,linear_model from sklearn.model_selection import train_test_split def load_data(): diabetes = datasets.load_diabetes() return train_test_spli...
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