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Python CombinedKernel.get_kernel_matrix方法代码示例

本文整理汇总了Python中shogun.Kernel.CombinedKernel.get_kernel_matrix方法的典型用法代码示例。如果您正苦于以下问题:Python CombinedKernel.get_kernel_matrix方法的具体用法?Python CombinedKernel.get_kernel_matrix怎么用?Python CombinedKernel.get_kernel_matrix使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在shogun.Kernel.CombinedKernel的用法示例。


在下文中一共展示了CombinedKernel.get_kernel_matrix方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: kernel_combined_modular

# 需要导入模块: from shogun.Kernel import CombinedKernel [as 别名]
# 或者: from shogun.Kernel.CombinedKernel import get_kernel_matrix [as 别名]
def kernel_combined_modular(fm_train_real=traindat,fm_test_real=testdat,fm_train_dna=traindna,fm_test_dna=testdna ):
	from shogun.Kernel import CombinedKernel, GaussianKernel, FixedDegreeStringKernel, LocalAlignmentStringKernel
	from shogun.Features import RealFeatures, StringCharFeatures, CombinedFeatures, DNA

	kernel=CombinedKernel()
	feats_train=CombinedFeatures()
	feats_test=CombinedFeatures()

	subkfeats_train=RealFeatures(fm_train_real)
	subkfeats_test=RealFeatures(fm_test_real)
	subkernel=GaussianKernel(10, 1.1)
	feats_train.append_feature_obj(subkfeats_train)
	feats_test.append_feature_obj(subkfeats_test)
	kernel.append_kernel(subkernel)

	subkfeats_train=StringCharFeatures(fm_train_dna, DNA)
	subkfeats_test=StringCharFeatures(fm_test_dna, DNA)
	degree=3
	subkernel=FixedDegreeStringKernel(10, degree)
	feats_train.append_feature_obj(subkfeats_train)
	feats_test.append_feature_obj(subkfeats_test)
	kernel.append_kernel(subkernel)

	subkfeats_train=StringCharFeatures(fm_train_dna, DNA)
	subkfeats_test=StringCharFeatures(fm_test_dna, DNA)
	subkernel=LocalAlignmentStringKernel(10)
	feats_train.append_feature_obj(subkfeats_train)
	feats_test.append_feature_obj(subkfeats_test)
	kernel.append_kernel(subkernel)

	kernel.init(feats_train, feats_train)
	km_train=kernel.get_kernel_matrix()
	kernel.init(feats_train, feats_test)
	km_test=kernel.get_kernel_matrix()
	return km_train,km_test,kernel
开发者ID:coodoing,项目名称:shogun,代码行数:37,代码来源:kernel_combined_modular.py

示例2: kernel_combined_custom_poly_modular

# 需要导入模块: from shogun.Kernel import CombinedKernel [as 别名]
# 或者: from shogun.Kernel.CombinedKernel import get_kernel_matrix [as 别名]
def kernel_combined_custom_poly_modular(fm_train_real = traindat,fm_test_real = testdat,fm_label_twoclass=label_traindat):
    from shogun.Features import CombinedFeatures, RealFeatures, BinaryLabels
    from shogun.Kernel import CombinedKernel, PolyKernel, CustomKernel
    from shogun.Classifier import LibSVM
   
    kernel = CombinedKernel()
    feats_train = CombinedFeatures()
    
    tfeats = RealFeatures(fm_train_real)
    tkernel = PolyKernel(10,3)
    tkernel.init(tfeats, tfeats)
    K = tkernel.get_kernel_matrix()
    kernel.append_kernel(CustomKernel(K))
        
    subkfeats_train = RealFeatures(fm_train_real)
    feats_train.append_feature_obj(subkfeats_train)
    subkernel = PolyKernel(10,2)
    kernel.append_kernel(subkernel)

    kernel.init(feats_train, feats_train)
    
    labels = BinaryLabels(fm_label_twoclass)
    svm = LibSVM(1.0, kernel, labels)
    svm.train()

    kernel = CombinedKernel()
    feats_pred = CombinedFeatures()

    pfeats = RealFeatures(fm_test_real)
    tkernel = PolyKernel(10,3)
    tkernel.init(tfeats, pfeats)
    K = tkernel.get_kernel_matrix()
    kernel.append_kernel(CustomKernel(K))

    subkfeats_test = RealFeatures(fm_test_real)
    feats_pred.append_feature_obj(subkfeats_test)
    subkernel = PolyKernel(10, 2)
    kernel.append_kernel(subkernel)
    kernel.init(feats_train, feats_pred)

    svm.set_kernel(kernel)
    svm.apply()
    km_train=kernel.get_kernel_matrix()
    return km_train,kernel
开发者ID:behollis,项目名称:muViewBranch,代码行数:46,代码来源:kernel_combined_custom_poly_modular.py


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