This class implements genaralized tree for N-body problems like k-NN, kernel density estimation, 2 point correlation.
在文件 NbodyTree.h 第 50 行定义.
Public 类型 | |
typedef CTreeMachineNode < NbodyTreeNodeData > | node_t |
typedef CBinaryTreeMachineNode < NbodyTreeNodeData > | bnode_t |
Public 属性 | |
SGIO * | io |
Parallel * | parallel |
Version * | version |
Parameter * | m_parameters |
Parameter * | m_model_selection_parameters |
Parameter * | m_gradient_parameters |
uint32_t | m_hash |
Protected 成员函数 | |
virtual float64_t | min_dist (bnode_t *node, float64_t *feat, int32_t dim)=0 |
virtual float64_t | min_dist_dual (bnode_t *nodeq, bnode_t *noder)=0 |
virtual float64_t | max_dist_dual (bnode_t *nodeq, bnode_t *noder)=0 |
virtual void | init_node (bnode_t *node, index_t start, index_t end)=0 |
virtual void | min_max_dist (float64_t *pt, bnode_t *node, float64_t &lower, float64_t &upper, int32_t dim)=0 |
float64_t | actual_dists (float64_t dists) |
float64_t | distance (index_t vec, float64_t *arr, int32_t dim) |
float64_t | add_dim_dist (float64_t d) |
virtual void | store_model_features () |
virtual bool | train_machine (CFeatures *data=NULL) |
virtual bool | train_require_labels () const |
virtual void | load_serializable_pre () throw (ShogunException) |
virtual void | load_serializable_post () throw (ShogunException) |
virtual void | save_serializable_pre () throw (ShogunException) |
virtual void | save_serializable_post () throw (ShogunException) |
Protected 属性 | |
SGMatrix< float64_t > | m_data |
SGVector< index_t > | m_vec_id |
CTreeMachineNode < NbodyTreeNodeData > * | m_root |
CDynamicObjectArray * | m_machines |
float64_t | m_max_train_time |
CLabels * | m_labels |
ESolverType | m_solver_type |
bool | m_store_model_features |
bool | m_data_locked |
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inherited |
bnode_t type- Tree node with max 2 possible children
在文件 TreeMachine.h 第 55 行定义.
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node_t type- Tree node with many possible children
在文件 TreeMachine.h 第 52 行定义.
CNbodyTree | ( | int32_t | leaf_size = 1 , |
EDistanceType | d = D_EUCLIDEAN |
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constructor
leaf_size | min number of samples in any node |
d | distance metric to be used |
在文件 NbodyTree.cpp 第 36 行定义.
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virtual |
Destructor
在文件 NbodyTree.h 第 62 行定义.
convert squared distances to actual distances
dists | distance value |
在文件 NbodyTree.h 第 172 行定义.
compute distance component contributed by present dimension
d | displacement component at chosen dimension |
在文件 NbodyTree.h 第 194 行定义.
apply machine to data if data is not specified apply to the current features
data | (test)data to be classified |
在文件 Machine.cpp 第 152 行定义.
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virtualinherited |
apply machine to data in means of binary classification problem
被 CKernelMachine, COnlineLinearMachine, CWDSVMOcas, CNeuralNetwork, CLinearMachine, CGaussianProcessClassification, CDomainAdaptationSVMLinear, CDomainAdaptationSVM, CPluginEstimate , 以及 CBaggingMachine 重载.
在文件 Machine.cpp 第 208 行定义.
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apply machine to data in means of latent problem
被 CLinearLatentMachine 重载.
在文件 Machine.cpp 第 232 行定义.
Applies a locked machine on a set of indices. Error if machine is not locked
indices | index vector (of locked features) that is predicted |
在文件 Machine.cpp 第 187 行定义.
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applies a locked machine on a set of indices for binary problems
被 CKernelMachine , 以及 CMultitaskLinearMachine 重载.
在文件 Machine.cpp 第 238 行定义.
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applies a locked machine on a set of indices for latent problems
在文件 Machine.cpp 第 266 行定义.
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virtualinherited |
applies a locked machine on a set of indices for multiclass problems
在文件 Machine.cpp 第 252 行定义.
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applies a locked machine on a set of indices for regression problems
被 CKernelMachine 重载.
在文件 Machine.cpp 第 245 行定义.
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virtualinherited |
applies a locked machine on a set of indices for structured problems
在文件 Machine.cpp 第 259 行定义.
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apply machine to data in means of multiclass classification problem
被 CNeuralNetwork, CCHAIDTree, CCARTree, CGaussianProcessClassification, CMulticlassMachine, CKNN, CC45ClassifierTree, CID3ClassifierTree, CDistanceMachine, CVwConditionalProbabilityTree, CGaussianNaiveBayes, CConditionalProbabilityTree, CMCLDA, CQDA, CRelaxedTree , 以及 CBaggingMachine 重载.
在文件 Machine.cpp 第 220 行定义.
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applies to one vector
被 CKernelMachine, CRelaxedTree, CWDSVMOcas, COnlineLinearMachine, CLinearMachine, CMultitaskLinearMachine, CMulticlassMachine, CKNN, CDistanceMachine, CMultitaskLogisticRegression, CMultitaskLeastSquaresRegression, CScatterSVM, CGaussianNaiveBayes, CPluginEstimate , 以及 CFeatureBlockLogisticRegression 重载.
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apply machine to data in means of regression problem
被 CKernelMachine, CWDSVMOcas, COnlineLinearMachine, CNeuralNetwork, CCHAIDTree, CStochasticGBMachine, CCARTree, CLinearMachine, CGaussianProcessRegression , 以及 CBaggingMachine 重载.
在文件 Machine.cpp 第 214 行定义.
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virtualinherited |
apply machine to data in means of SO classification problem
被 CLinearStructuredOutputMachine 重载.
在文件 Machine.cpp 第 226 行定义.
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inherited |
Builds a dictionary of all parameters in SGObject as well of those of SGObjects that are parameters of this object. Dictionary maps parameters to the objects that own them.
dict | dictionary of parameters to be built. |
在文件 SGObject.cpp 第 597 行定义.
void build_tree | ( | CDenseFeatures< float64_t > * | data | ) |
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virtualinherited |
Creates a clone of the current object. This is done via recursively traversing all parameters, which corresponds to a deep copy. Calling equals on the cloned object always returns true although none of the memory of both objects overlaps.
在文件 SGObject.cpp 第 714 行定义.
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Locks the machine on given labels and data. After this call, only train_locked and apply_locked may be called
Only possible if supports_locking() returns true
labs | labels used for locking |
features | features used for locking |
被 CKernelMachine 重载.
在文件 Machine.cpp 第 112 行定义.
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virtualinherited |
Unlocks a locked machine and restores previous state
被 CKernelMachine 重载.
在文件 Machine.cpp 第 143 行定义.
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virtualinherited |
A deep copy. All the instance variables will also be copied.
在文件 SGObject.cpp 第 198 行定义.
distance between 2 vectors
vec | index of training data vector |
arr | query vector |
dim | dimension of query vector |
在文件 NbodyTree.cpp 第 201 行定义.
Recursively compares the current SGObject to another one. Compares all registered numerical parameters, recursion upon complex (SGObject) parameters. Does not compare pointers!
May be overwritten but please do with care! Should not be necessary in most cases.
other | object to compare with |
accuracy | accuracy to use for comparison (optional) |
tolerant | allows linient check on float equality (within accuracy) |
在文件 SGObject.cpp 第 618 行定义.
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virtualinherited |
get classifier type
被 CLaRank, CSVMLight, CDualLibQPBMSOSVM, CNeuralNetwork, CCCSOSVM, CLeastAngleRegression, CLDA, CKernelRidgeRegression, CLibLinearMTL, CBaggingMachine, CLibLinear, CGaussianProcessClassification, CKMeans, CLibSVR, CQDA, CGaussianNaiveBayes, CSVRLight, CMCLDA, CLinearRidgeRegression, CKNN, CScatterSVM, CGaussianProcessRegression, CSGDQN, CSVMSGD, CSVMOcas, COnlineSVMSGD, CLeastSquaresRegression, CMKLRegression, CDomainAdaptationSVMLinear, CMKLMulticlass, CWDSVMOcas, CHierarchical, CMKLOneClass, CLibSVM, CStochasticSOSVM, CMKLClassification, CDomainAdaptationSVM, CLPBoost, CPerceptron, CAveragedPerceptron, CFWSOSVM, CNewtonSVM, CLPM, CGMNPSVM, CSVMLightOneClass, CSVMLin, CMulticlassLibSVM, CLibSVMOneClass, CMPDSVM, CGPBTSVM, CGNPPSVM , 以及 CCPLEXSVM 重载.
在文件 Machine.cpp 第 92 行定义.
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get problem type
重载 CMachine .
被 CCHAIDTree , 以及 CCARTree 重载.
在文件 BaseMulticlassMachine.cpp 第 32 行定义.
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在文件 SGObject.cpp 第 498 行定义.
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Returns description of a given parameter string, if it exists. SG_ERROR otherwise
param_name | name of the parameter |
在文件 SGObject.cpp 第 522 行定义.
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Returns index of model selection parameter with provided index
param_name | name of model selection parameter |
在文件 SGObject.cpp 第 535 行定义.
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virtual |
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inherited |
get final rearranged vector indices
在文件 NbodyTree.h 第 72 行定义.
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inherited |
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inherited |
initialize node
node | node to be initialized |
start | start index of index vector |
end | end index of index vector |
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virtualinherited |
If the SGSerializable is a class template then TRUE will be returned and GENERIC is set to the type of the generic.
generic | set to the type of the generic if returning TRUE |
在文件 SGObject.cpp 第 296 行定义.
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virtualinherited |
check whether the labels is valid.
lab | the labels being checked, guaranteed to be non-NULL |
重载 CMachine .
被 CCARTree , 以及 CCHAIDTree 重载.
在文件 BaseMulticlassMachine.cpp 第 37 行定义.
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virtualinherited |
Load this object from file. If it will fail (returning FALSE) then this object will contain inconsistent data and should not be used!
file | where to load from |
prefix | prefix for members |
在文件 SGObject.cpp 第 369 行定义.
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protectedvirtualinherited |
Can (optionally) be overridden to post-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::LOAD_SERIALIZABLE_POST is called.
ShogunException | will be thrown if an error occurs. |
被 CKernel, CWeightedDegreePositionStringKernel, CList, CAlphabet, CLinearHMM, CGaussianKernel, CInverseMultiQuadricKernel, CCircularKernel , 以及 CExponentialKernel 重载.
在文件 SGObject.cpp 第 426 行定义.
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protectedvirtualinherited |
Can (optionally) be overridden to pre-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::LOAD_SERIALIZABLE_PRE is called.
ShogunException | will be thrown if an error occurs. |
被 CDynamicArray< T >, CDynamicArray< float64_t >, CDynamicArray< float32_t >, CDynamicArray< int32_t >, CDynamicArray< char >, CDynamicArray< bool > , 以及 CDynamicObjectArray 重载.
在文件 SGObject.cpp 第 421 行定义.
SGVector< float64_t > log_kernel_density | ( | SGMatrix< float64_t > | test, |
EKernelType | kernel, | ||
float64_t | h, | ||
float64_t | atol, | ||
float64_t | rtol | ||
) |
get log of kernel density at query points
test | query points at which kernel density is to be calculated |
kernel | kernel type |
h | width of kernel |
atol | absolute tolerance |
rtol | relative tolerance |
在文件 NbodyTree.cpp 第 86 行定义.
SGVector< float64_t > log_kernel_density_dual | ( | SGMatrix< float64_t > | test, |
SGVector< index_t > | qid, | ||
bnode_t * | qroot, | ||
EKernelType | kernel, | ||
float64_t | h, | ||
float64_t | atol, | ||
float64_t | rtol | ||
) |
get log of kernel density at query points
test | query points at which kernel density is to be calculated |
qid | id vector of the query tree |
qroot | root of the query tree |
kernel | kernel type |
h | width of kernel |
atol | absolute tolerance |
rtol | relative tolerance |
在文件 NbodyTree.cpp 第 116 行定义.
find max distance between 2 nodes
nodeq | node containing active query vectors |
noder | node containing active training vectors |
find minimum distance between node and a query vector
node | present node |
feat | query vector |
dim | dimensions of query vector |
find minimum distance between 2 nodes
nodeq | node containing active query vectors |
noder | node containing active training vectors |
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protectedpure virtual |
get min as well as max distance of a node from a point
pt | point whose distance is to be calculated |
node | node from which distances are to be calculated |
lower | lower bound of distance |
upper | upper bound of distance |
dim | dimension of point vector |
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virtualinherited |
在文件 SGObject.cpp 第 262 行定义.
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inherited |
prints all parameter registered for model selection and their type
在文件 SGObject.cpp 第 474 行定义.
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void query_knn | ( | CDenseFeatures< float64_t > * | data, |
int32_t | k | ||
) |
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virtualinherited |
Save this object to file.
file | where to save the object; will be closed during returning if PREFIX is an empty string. |
prefix | prefix for members |
在文件 SGObject.cpp 第 314 行定义.
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protectedvirtualinherited |
Can (optionally) be overridden to post-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::SAVE_SERIALIZABLE_POST is called.
ShogunException | will be thrown if an error occurs. |
被 CKernel 重载.
在文件 SGObject.cpp 第 436 行定义.
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protectedvirtualinherited |
Can (optionally) be overridden to pre-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::SAVE_SERIALIZABLE_PRE is called.
ShogunException | will be thrown if an error occurs. |
被 CKernel, CDynamicArray< T >, CDynamicArray< float64_t >, CDynamicArray< float32_t >, CDynamicArray< int32_t >, CDynamicArray< char >, CDynamicArray< bool > , 以及 CDynamicObjectArray 重载.
在文件 SGObject.cpp 第 431 行定义.
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inherited |
在文件 SGObject.cpp 第 41 行定义.
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inherited |
在文件 SGObject.cpp 第 46 行定义.
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inherited |
在文件 SGObject.cpp 第 51 行定义.
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inherited |
在文件 SGObject.cpp 第 56 行定义.
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在文件 SGObject.cpp 第 61 行定义.
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在文件 SGObject.cpp 第 66 行定义.
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inherited |
在文件 SGObject.cpp 第 71 行定义.
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在文件 SGObject.cpp 第 76 行定义.
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在文件 SGObject.cpp 第 81 行定义.
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在文件 SGObject.cpp 第 86 行定义.
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在文件 SGObject.cpp 第 91 行定义.
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在文件 SGObject.cpp 第 96 行定义.
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在文件 SGObject.cpp 第 101 行定义.
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在文件 SGObject.cpp 第 106 行定义.
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在文件 SGObject.cpp 第 111 行定义.
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set generic type to T
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set labels
lab | labels |
被 CNeuralNetwork, CGaussianProcessMachine, CCARTree, CStructuredOutputMachine, CRelaxedTree , 以及 CMulticlassMachine 重载.
在文件 Machine.cpp 第 65 行定义.
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Setter for store-model-features-after-training flag
store_model | whether model should be stored after training |
在文件 Machine.cpp 第 107 行定义.
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virtualinherited |
A shallow copy. All the SGObject instance variables will be simply assigned and SG_REF-ed.
被 CGaussianKernel 重载.
在文件 SGObject.cpp 第 192 行定义.
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protectedvirtualinherited |
enable unlocked cross-validation - no model features to store
重载 CMachine .
在文件 TreeMachine.h 第 152 行定义.
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virtualinherited |
被 CKernelMachine , 以及 CMultitaskLinearMachine 重载.
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virtualinherited |
train machine
data | training data (parameter can be avoided if distance or kernel-based classifiers are used and distance/kernels are initialized with train data). If flag is set, model features will be stored after training. |
被 CRelaxedTree, CAutoencoder, CSGDQN , 以及 COnlineSVMSGD 重载.
在文件 Machine.cpp 第 39 行定义.
Trains a locked machine on a set of indices. Error if machine is not locked
NOT IMPLEMENTED
indices | index vector (of locked features) that is used for training |
被 CKernelMachine , 以及 CMultitaskLinearMachine 重载.
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protectedvirtualinherited |
train machine
data | training data (parameter can be avoided if distance or kernel-based classifiers are used and distance/kernels are initialized with train data) |
NOT IMPLEMENTED!
被 CSVMLight, CLaRank, CWDSVMOcas, CLibLinearMTL, CMKL, COnlineLinearMachine, CNeuralNetwork, CDualLibQPBMSOSVM, CCARTree, CCHAIDTree, CSVRLight, CPluginEstimate, CRelaxedTree, CKNN, CSVMOcas, CLibLinear, CCCSOSVM, CLeastAngleRegression, CMulticlassMachine, CLDA, CMKLMulticlass, CC45ClassifierTree, CLibLinearRegression, CSVMSGD, CQDA, CStochasticGBMachine, CMulticlassLibLinear, CVowpalWabbit, CMCLDA, CGaussianProcessClassification, CKernelRidgeRegression, CDomainAdaptationSVMLinear, CBaggingMachine, CMultitaskLinearMachine, CID3ClassifierTree, CHierarchical, CMulticlassOCAS, CLinearLatentMachine, CMulticlassTreeGuidedLogisticRegression, CLibSVR, CNewtonSVM, CLPBoost, CDomainAdaptationSVM, CSVMLin, CFeatureBlockLogisticRegression, CScatterSVM, CStochasticSOSVM, CLinearRidgeRegression, CLPM, CGaussianNaiveBayes, CMultitaskClusteredLogisticRegression, CFWSOSVM, CNearestCentroid, CMultitaskLogisticRegression, CVwConditionalProbabilityTree, CGaussianProcessRegression, CMulticlassLogisticRegression, CConditionalProbabilityTree, CMultitaskL12LogisticRegression, CMultitaskLeastSquaresRegression, CPerceptron, CAveragedPerceptron, CGMNPSVM, CMultitaskTraceLogisticRegression, CLibSVM, CSVMLightOneClass, CShareBoost, CLibSVMOneClass, CMulticlassLibSVM, CMPDSVM, CGPBTSVM, CGNPPSVM , 以及 CCPLEXSVM 重载.
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returns whether machine require labels for training
被 COnlineLinearMachine, CHierarchical, CLinearLatentMachine, CVwConditionalProbabilityTree, CConditionalProbabilityTree , 以及 CLibSVMOneClass 重载.
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unset generic type
this has to be called in classes specializing a template class
在文件 SGObject.cpp 第 303 行定义.
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virtualinherited |
Updates the hash of current parameter combination
在文件 SGObject.cpp 第 248 行定义.
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io
在文件 SGObject.h 第 369 行定义.
data matrix
在文件 NbodyTree.h 第 314 行定义.
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parameters wrt which we can compute gradients
在文件 SGObject.h 第 384 行定义.
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Hash of parameter values
在文件 SGObject.h 第 387 行定义.
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machines
在文件 BaseMulticlassMachine.h 第 56 行定义.
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model selection parameters
在文件 SGObject.h 第 381 行定义.
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parameters
在文件 SGObject.h 第 378 行定义.
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tree root
在文件 TreeMachine.h 第 156 行定义.
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vector id
在文件 NbodyTree.h 第 317 行定义.
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parallel
在文件 SGObject.h 第 372 行定义.
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version
在文件 SGObject.h 第 375 行定义.