PLearn 0.1
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#include <BinSplitter.h>
Public Member Functions | |
BinSplitter () | |
virtual void | build () |
Post-constructor. | |
virtual void | makeDeepCopyFromShallowCopy (CopiesMap &copies) |
Transforms a shallow copy into a deep copy. | |
virtual string | classname () const |
virtual OptionList & | getOptionList () const |
virtual OptionMap & | getOptionMap () const |
virtual RemoteMethodMap & | getRemoteMethodMap () const |
virtual BinSplitter * | deepCopy (CopiesMap &copies) const |
virtual int | nsplits () const |
Returns the number of available different "splits". | |
virtual int | nSetsPerSplit () const |
Returns the number of sets per split. | |
virtual TVec< VMat > | getSplit (int i=0) |
Returns split number i. | |
virtual void | setDataSet (VMat the_dataset) |
Sets the dataset on which the splits are to be based. | |
Static Public Member Functions | |
static string | _classname_ () |
Declares name and deepCopy methods. | |
static OptionList & | _getOptionList_ () |
static RemoteMethodMap & | _getRemoteMethodMap_ () |
static Object * | _new_instance_for_typemap_ () |
static bool | _isa_ (const Object *o) |
static void | _static_initialize_ () |
static const PPath & | declaringFile () |
Public Attributes | |
PP< Binner > | binner |
int | column |
string | column_spec |
Static Public Attributes | |
static StaticInitializer | _static_initializer_ |
Static Protected Member Functions | |
static void | declareOptions (OptionList &ol) |
Declares this class' options. | |
Protected Attributes | |
TVec< TVec< int > > | bins |
Store the bins computed by the Binner. | |
Private Types | |
typedef Splitter | inherited |
Private Member Functions | |
void | build_ () |
This does the actual building. |
Definition at line 52 of file BinSplitter.h.
typedef Splitter PLearn::BinSplitter::inherited [private] |
Reimplemented from PLearn::Splitter.
Definition at line 57 of file BinSplitter.h.
PLearn::BinSplitter::BinSplitter | ( | ) |
Definition at line 53 of file BinSplitter.cc.
: column(0), column_spec("") { }
string PLearn::BinSplitter::_classname_ | ( | ) | [static] |
Declares name and deepCopy methods.
Reimplemented from PLearn::Splitter.
Definition at line 62 of file BinSplitter.cc.
OptionList & PLearn::BinSplitter::_getOptionList_ | ( | ) | [static] |
Reimplemented from PLearn::Splitter.
Definition at line 62 of file BinSplitter.cc.
RemoteMethodMap & PLearn::BinSplitter::_getRemoteMethodMap_ | ( | ) | [static] |
Reimplemented from PLearn::Splitter.
Definition at line 62 of file BinSplitter.cc.
Reimplemented from PLearn::Splitter.
Definition at line 62 of file BinSplitter.cc.
Object * PLearn::BinSplitter::_new_instance_for_typemap_ | ( | ) | [static] |
Reimplemented from PLearn::Object.
Definition at line 62 of file BinSplitter.cc.
StaticInitializer BinSplitter::_static_initializer_ & PLearn::BinSplitter::_static_initialize_ | ( | ) | [static] |
Reimplemented from PLearn::Splitter.
Definition at line 62 of file BinSplitter.cc.
void PLearn::BinSplitter::build | ( | ) | [virtual] |
Post-constructor.
The normal implementation should call simply inherited::build(), then this class's build_(). This method should be callable again at later times, after modifying some option fields to change the "architecture" of the object.
Reimplemented from PLearn::Object.
Definition at line 96 of file BinSplitter.cc.
References PLearn::Object::build(), and build_().
{ inherited::build(); build_(); }
void PLearn::BinSplitter::build_ | ( | ) | [private] |
This does the actual building.
Reimplemented from PLearn::Object.
Definition at line 89 of file BinSplitter.cc.
Referenced by build().
{ }
string PLearn::BinSplitter::classname | ( | ) | const [virtual] |
Reimplemented from PLearn::Object.
Definition at line 62 of file BinSplitter.cc.
void PLearn::BinSplitter::declareOptions | ( | OptionList & | ol | ) | [static, protected] |
Declares this class' options.
Reimplemented from PLearn::Splitter.
Definition at line 67 of file BinSplitter.cc.
References binner, PLearn::OptionBase::buildoption, column, column_spec, PLearn::declareOption(), and PLearn::Splitter::declareOptions().
{ declareOption(ol, "binner", &BinSplitter::binner, OptionBase::buildoption, "The binner used to create the bins."); declareOption(ol, "column", &BinSplitter::column, OptionBase::buildoption, "The column used to defined the bins."); declareOption(ol, "column_spec", &BinSplitter::column_spec, OptionBase::buildoption, "Alternatively, this option can be used to override the 'column' option:\n" " - 'first_input' : the first input column\n" " - 'last_input' : the last input column\n" " - 'first_target': the first target column\n" " - 'last_target' : the last target column"); // Now call the parent class' declareOptions inherited::declareOptions(ol); }
static const PPath& PLearn::BinSplitter::declaringFile | ( | ) | [inline, static] |
Reimplemented from PLearn::Splitter.
Definition at line 108 of file BinSplitter.h.
BinSplitter * PLearn::BinSplitter::deepCopy | ( | CopiesMap & | copies | ) | const [virtual] |
Reimplemented from PLearn::Splitter.
Definition at line 62 of file BinSplitter.cc.
OptionList & PLearn::BinSplitter::getOptionList | ( | ) | const [virtual] |
Reimplemented from PLearn::Object.
Definition at line 62 of file BinSplitter.cc.
OptionMap & PLearn::BinSplitter::getOptionMap | ( | ) | const [virtual] |
Reimplemented from PLearn::Object.
Definition at line 62 of file BinSplitter.cc.
RemoteMethodMap & PLearn::BinSplitter::getRemoteMethodMap | ( | ) | const [virtual] |
Reimplemented from PLearn::Object.
Definition at line 62 of file BinSplitter.cc.
Returns split number i.
Implements PLearn::Splitter.
Definition at line 135 of file BinSplitter.cc.
References bins, PLearn::Splitter::dataset, i, PLearn::TVec< T >::length(), and nSetsPerSplit().
{ TVec<VMat> sets(nSetsPerSplit()); for (int i = 0; i < sets.length(); i++) { sets[i] = new SelectRowsVMatrix(dataset, bins[i]); } return sets; }
void PLearn::BinSplitter::makeDeepCopyFromShallowCopy | ( | CopiesMap & | copies | ) | [virtual] |
Transforms a shallow copy into a deep copy.
Reimplemented from PLearn::Splitter.
Definition at line 102 of file BinSplitter.cc.
References PLearn::Splitter::makeDeepCopyFromShallowCopy(), and PLERROR.
{ inherited::makeDeepCopyFromShallowCopy(copies); // ### Call deepCopyField on all "pointer-like" fields // ### that you wish to be deepCopied rather than // ### shallow-copied. // ### ex: // deepCopyField(trainvec, copies); // ### Remove this line when you have fully implemented this method. PLERROR("BinSplitter::makeDeepCopyFromShallowCopy not fully (correctly) implemented yet!"); }
int PLearn::BinSplitter::nSetsPerSplit | ( | ) | const [virtual] |
Returns the number of sets per split.
Implements PLearn::Splitter.
Definition at line 127 of file BinSplitter.cc.
References binner.
Referenced by getSplit().
{ return binner->nBins(); }
int PLearn::BinSplitter::nsplits | ( | ) | const [virtual] |
Returns the number of available different "splits".
Implements PLearn::Splitter.
Definition at line 119 of file BinSplitter.cc.
{
return 1;
}
void PLearn::BinSplitter::setDataSet | ( | VMat | the_dataset | ) | [virtual] |
Sets the dataset on which the splits are to be based.
Reimplemented from PLearn::Splitter.
Definition at line 147 of file BinSplitter.cc.
References binner, bins, PLearn::VMat::column(), column, column_spec, PLERROR, PLearn::Splitter::setDataSet(), PLearn::VMat::toMat(), PLearn::TMat< T >::toVec(), and PLearn::VMat::width().
{ inherited::setDataSet(the_dataset); int col = column; if (column_spec != "") { if (column_spec == "first_input") col = 0; else if (column_spec == "last_input") col = the_dataset->inputsize() - 1; else if (column_spec == "first_target") col = the_dataset->inputsize(); else if (column_spec == "last_target") col = the_dataset->inputsize() + the_dataset->targetsize() - 1; else PLERROR("In BinSplitter::setDataSet - Wrong value for 'column_spec'"); if (col < 0) PLERROR("In BinSplitter::setDataSet - Found a negative column, check the dataset sizes are correctly defined"); } else if (column >= the_dataset->width()) PLERROR("In BinSplitter::setDataSet - The column number is higher than available"); Vec col_vec = the_dataset.column(col)->toMat().toVec(); if (!binner) PLERROR("In BinSplitter::setDataSet - You must provide a binner first."); bins = binner->getBins(col_vec); }
Reimplemented from PLearn::Splitter.
Definition at line 108 of file BinSplitter.h.
Definition at line 75 of file BinSplitter.h.
Referenced by declareOptions(), nSetsPerSplit(), and setDataSet().
TVec< TVec<int> > PLearn::BinSplitter::bins [protected] |
Store the bins computed by the Binner.
Definition at line 67 of file BinSplitter.h.
Referenced by getSplit(), and setDataSet().
Definition at line 76 of file BinSplitter.h.
Referenced by declareOptions(), and setDataSet().
Definition at line 77 of file BinSplitter.h.
Referenced by declareOptions(), and setDataSet().