|
SHOGUN
4.1.0
|
ScatterSVM - Multiclass SVM.
The ScatterSVM is an unpublished experimental true multiclass SVM. Details are availabe in the following technical report.
This code is currently experimental.
Robert Jenssen and Marius Kloft and Alexander Zien and S"oren Sonnenburg and Klaus-Robert M"{u}ller, A Multi-Class Support Vector Machine Based on Scatter Criteria, TR 014-2009 TU Berlin, 2009
在文件 ScatterSVM.h 第 52 行定义.
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 bool | train_machine (CFeatures *data=NULL) |
| CSVM * | svm_proto () |
| SGVector< int32_t > | svm_svs () |
| virtual bool | init_machines_for_apply (CFeatures *data) |
| virtual bool | is_acceptable_machine (CMachine *machine) |
| virtual bool | init_machine_for_train (CFeatures *data) |
| virtual bool | is_ready () |
| virtual CMachine * | get_machine_from_trained (CMachine *machine) |
| virtual int32_t | get_num_rhs_vectors () |
| virtual void | add_machine_subset (SGVector< index_t > subset) |
| virtual void | remove_machine_subset () |
| void | init_strategy () |
| void | clear_machines () |
| 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 | |
| SCATTER_TYPE | scatter_type |
| svm_problem | problem |
| svm_parameter | param |
| struct svm_model * | model |
| float64_t * | norm_wc |
| float64_t * | norm_wcw |
| float64_t | rho |
| int32_t | m_num_classes |
| float64_t | m_C |
| CKernel * | m_kernel |
| CMulticlassStrategy * | m_multiclass_strategy |
| CMachine * | m_machine |
| 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 |
| CScatterSVM | ( | ) |
default constructor
在文件 ScatterSVM.cpp 第 24 行定义.
| CScatterSVM | ( | SCATTER_TYPE | type | ) |
constructor
在文件 ScatterSVM.cpp 第 31 行定义.
| CScatterSVM | ( | float64_t | C, |
| CKernel * | k, | ||
| CLabels * | lab | ||
| ) |
constructor (using NO_BIAS as default scatter_type)
| C | constant C |
| k | kernel |
| lab | labels |
在文件 ScatterSVM.cpp 第 37 行定义.
|
virtual |
default destructor
在文件 ScatterSVM.cpp 第 43 行定义.
set subset to the features of the machine, deletes old one
| subset | subset indices to set |
实现了 CMulticlassMachine.
在文件 KernelMulticlassMachine.cpp 第 178 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.
|
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.
|
virtualinherited |
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.
|
virtualinherited |
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.
|
virtualinherited |
applies a locked machine on a set of indices for latent problems
在文件 Machine.cpp 第 266 行定义.
|
virtualinherited |
applies a locked machine on a set of indices for multiclass problems
在文件 Machine.cpp 第 252 行定义.
|
virtualinherited |
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.
|
virtualinherited |
applies a locked machine on a set of indices for structured problems
在文件 Machine.cpp 第 259 行定义.
|
virtualinherited |
classify all examples
重载 CMachine .
被 CGaussianNaiveBayes, CMCLDA , 以及 CQDA 重载.
在文件 MulticlassMachine.cpp 第 93 行定义.
|
virtualinherited |
|
virtual |
classify one example
| num | number of example to classify |
重载 CMulticlassMachine .
在文件 ScatterSVM.cpp 第 488 行定义.
|
virtualinherited |
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.
|
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.
|
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.
|
virtual |
|
protectedinherited |
clear machines
|
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.
|
inherited |
create multiclass SVM. Appends the appropriate number of svm pointer (depending on multiclass strategy) to m_machines. All pointers are initialized with NULL.
| num_classes | number of classes in SVM |
在文件 MulticlassSVM.cpp 第 48 行定义.
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.
|
virtualinherited |
Unlocks a locked machine and restores previous state
被 CKernelMachine 重载.
在文件 Machine.cpp 第 143 行定义.
|
virtualinherited |
A deep copy. All the instance variables will also be copied.
在文件 SGObject.cpp 第 198 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.
|
inherited |
get batch computation option of base SVM
在文件 MulticlassSVM.h 第 146 行定义.
|
inherited |
get bias enabled options of base SVM
在文件 MulticlassSVM.h 第 136 行定义.
|
inherited |
|
virtual |
|
inherited |
|
inherited |
|
inherited |
|
inherited |
|
inherited |
|
virtualinherited |
|
inherited |
get linadd option of base SVM
在文件 MulticlassSVM.h 第 141 行定义.
|
inherited |
construct kernel machine from given kernel machine
实现了 CMulticlassMachine.
在文件 KernelMulticlassMachine.cpp 第 168 行定义.
|
virtualinherited |
get problem type
重载 CMachine .
被 CCHAIDTree , 以及 CCARTree 重载.
在文件 BaseMulticlassMachine.cpp 第 32 行定义.
|
inherited |
|
inherited |
在文件 SGObject.cpp 第 498 行定义.
|
inherited |
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.
|
inherited |
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.
|
inherited |
|
virtual |
|
inherited |
|
inherited |
|
protectedvirtualinherited |
return number of rhs feature vectors
实现了 CMulticlassMachine.
在文件 KernelMulticlassMachine.cpp 第 173 行定义.
|
inherited |
|
inherited |
get prob output heuristic of multiclass strategy
在文件 MulticlassMachine.h 第 145 行定义.
|
inherited |
|
inherited |
|
inherited |
get shrinking option of base SVM
在文件 MulticlassSVM.h 第 125 行定义.
|
inherited |
|
virtualinherited |
get output of i-th submachine for num-th vector
| i | number of submachine |
| num | number of feature vector |
在文件 MulticlassMachine.cpp 第 80 行定义.
|
virtualinherited |
get outputs of i-th submachine
| i | number of submachine |
被 CDomainAdaptationMulticlassLibLinear 重载.
在文件 MulticlassMachine.cpp 第 71 行定义.
|
inherited |
|
inherited |
|
protectedvirtualinherited |
init machine for training with kernel init
实现了 CMulticlassMachine.
在文件 KernelMulticlassMachine.cpp 第 128 行定义.
|
protectedvirtualinherited |
initializes machines (OvO, OvR) for apply
在文件 MulticlassSVM.cpp 第 73 行定义.
|
protectedinherited |
init strategy
在文件 MulticlassMachine.cpp 第 65 行定义.
|
protectedvirtualinherited |
|
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.
|
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.
|
protectedvirtualinherited |
|
inherited |
|
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.
|
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.
|
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.
|
inherited |
problem type
|
virtualinherited |
在文件 SGObject.cpp 第 262 行定义.
|
inherited |
prints all parameter registered for model selection and their type
在文件 SGObject.cpp 第 474 行定义.
|
virtualinherited |
|
protectedvirtualinherited |
deletes any subset set to the features of the machine
实现了 CMulticlassMachine.
在文件 KernelMulticlassMachine.cpp 第 183 行定义.
|
inherited |
|
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.
|
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.
|
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.
|
inherited |
set batch computation option
| enable | whether batch computation should be enabled |
在文件 MulticlassSVM.h 第 207 行定义.
|
inherited |
|
inherited |
|
inherited |
set default number of support vectors
| num_sv | number of support vectors |
在文件 MulticlassSVM.h 第 152 行定义.
|
inherited |
|
inherited |
在文件 SGObject.cpp 第 41 行定义.
|
inherited |
在文件 SGObject.cpp 第 46 行定义.
|
inherited |
在文件 SGObject.cpp 第 51 行定义.
|
inherited |
在文件 SGObject.cpp 第 56 行定义.
|
inherited |
在文件 SGObject.cpp 第 61 行定义.
|
inherited |
在文件 SGObject.cpp 第 66 行定义.
|
inherited |
在文件 SGObject.cpp 第 71 行定义.
|
inherited |
在文件 SGObject.cpp 第 76 行定义.
|
inherited |
在文件 SGObject.cpp 第 81 行定义.
|
inherited |
在文件 SGObject.cpp 第 86 行定义.
|
inherited |
在文件 SGObject.cpp 第 91 行定义.
|
inherited |
在文件 SGObject.cpp 第 96 行定义.
|
inherited |
在文件 SGObject.cpp 第 101 行定义.
|
inherited |
在文件 SGObject.cpp 第 106 行定义.
|
inherited |
在文件 SGObject.cpp 第 111 行定义.
|
inherited |
set generic type to T
|
inherited |
|
inherited |
|
inherited |
|
inherited |
|
virtualinherited |
|
inherited |
|
inherited |
set machine
| num | index of machine |
| machine | machine to set |
在文件 MulticlassMachine.h 第 59 行定义.
|
inherited |
|
inherited |
|
inherited |
|
inherited |
set prob output heuristic of multiclass strategy
| prob_heuris | type of probability heuristic |
在文件 MulticlassMachine.h 第 153 行定义.
|
inherited |
|
inherited |
sets rejection strategy
| rejection_strategy | rejection strategy to be set |
在文件 MulticlassMachine.h 第 133 行定义.
|
inherited |
|
inherited |
|
virtualinherited |
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.
|
inherited |
set SVM
| num | number to set |
| svm | SVM to set |
在文件 MulticlassSVM.cpp 第 63 行定义.
|
inherited |
|
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.
|
virtualinherited |
Stores feature data of underlying model.
Need to store the SVs for all sub-machines. We make a union of the SVs for all sub-machines, store the union and adjust the sub-machines to index into the union.
重载 CMachine .
在文件 KernelMulticlassMachine.cpp 第 20 行定义.
|
virtualinherited |
被 CKernelMachine , 以及 CMultitaskLinearMachine 重载.
|
protectedinherited |
casts m_machine to SVM
在文件 MulticlassSVM.h 第 218 行定义.
|
protectedinherited |
returns support vectors
在文件 MulticlassSVM.h 第 223 行定义.
|
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.
|
protectedvirtual |
train SVM classifier
| data | training data (parameter can be avoided if distance or kernel-based classifiers are used and distance/kernels are initialized with train data) |
重载 CMulticlassMachine .
在文件 ScatterSVM.cpp 第 49 行定义.
|
protectedvirtualinherited |
returns whether machine require labels for training
被 COnlineLinearMachine, CHierarchical, CLinearLatentMachine, CVwConditionalProbabilityTree, CConditionalProbabilityTree , 以及 CLibSVMOneClass 重载.
|
inherited |
unset generic type
this has to be called in classes specializing a template class
在文件 SGObject.cpp 第 303 行定义.
|
virtualinherited |
Updates the hash of current parameter combination
在文件 SGObject.cpp 第 248 行定义.
|
inherited |
io
在文件 SGObject.h 第 369 行定义.
|
protectedinherited |
C regularization constant
在文件 MulticlassSVM.h 第 247 行定义.
|
inherited |
parameters wrt which we can compute gradients
在文件 SGObject.h 第 384 行定义.
|
inherited |
Hash of parameter values
在文件 SGObject.h 第 387 行定义.
|
protectedinherited |
kernel
在文件 KernelMulticlassMachine.h 第 100 行定义.
|
protectedinherited |
machine
在文件 MulticlassMachine.h 第 208 行定义.
|
protectedinherited |
machines
在文件 BaseMulticlassMachine.h 第 56 行定义.
|
inherited |
model selection parameters
在文件 SGObject.h 第 381 行定义.
|
protectedinherited |
type of multiclass strategy
在文件 MulticlassMachine.h 第 205 行定义.
|
protected |
number of classes
在文件 ScatterSVM.h 第 135 行定义.
|
inherited |
parameters
在文件 SGObject.h 第 378 行定义.
|
protectedinherited |
|
protectedinherited |
|
protected |
SVM model
在文件 ScatterSVM.h 第 123 行定义.
|
protected |
norm of w_c
在文件 ScatterSVM.h 第 126 行定义.
|
protected |
norm of w_cw
在文件 ScatterSVM.h 第 129 行定义.
|
inherited |
parallel
在文件 SGObject.h 第 372 行定义.
|
protected |
SVM param
在文件 ScatterSVM.h 第 120 行定义.
|
protected |
SVM problem
在文件 ScatterSVM.h 第 118 行定义.
|
protected |
ScatterSVM rho
在文件 ScatterSVM.h 第 132 行定义.
|
protected |
type of scatter SVM
在文件 ScatterSVM.h 第 115 行定义.
|
inherited |
version
在文件 SGObject.h 第 375 行定义.
