PLearn 0.1
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#include <CumVMatrix.h>
Public Member Functions | |
CumVMatrix () | |
virtual void | build () |
Simply calls inherited::build() then build_(). | |
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 CumVMatrix * | deepCopy (CopiesMap &copies) const |
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 | |
TVec< string > | columns_to_accumulate |
Static Public Attributes | |
static StaticInitializer | _static_initializer_ |
Protected Member Functions | |
virtual void | getNewRow (int i, const Vec &v) const |
This is the only method requiring implementation. | |
Static Protected Member Functions | |
static void | declareOptions (OptionList &ol) |
Declares this class' options. | |
Protected Attributes | |
Mat | accumulated_columns |
Vec | row |
Vec | previous_sourcerow |
TVec< int > | columns |
bool | average |
Private Types | |
typedef SourceVMatrix | inherited |
Private Member Functions | |
void | build_ () |
This does the actual building. |
Definition at line 52 of file CumVMatrix.h.
typedef SourceVMatrix PLearn::CumVMatrix::inherited [private] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 54 of file CumVMatrix.h.
PLearn::CumVMatrix::CumVMatrix | ( | ) |
Definition at line 50 of file CumVMatrix.cc.
string PLearn::CumVMatrix::_classname_ | ( | ) | [static] |
Declares name and deepCopy methods.
Reimplemented from PLearn::SourceVMatrix.
Definition at line 63 of file CumVMatrix.cc.
OptionList & PLearn::CumVMatrix::_getOptionList_ | ( | ) | [static] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 63 of file CumVMatrix.cc.
RemoteMethodMap & PLearn::CumVMatrix::_getRemoteMethodMap_ | ( | ) | [static] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 63 of file CumVMatrix.cc.
Reimplemented from PLearn::SourceVMatrix.
Definition at line 63 of file CumVMatrix.cc.
Object * PLearn::CumVMatrix::_new_instance_for_typemap_ | ( | ) | [static] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 63 of file CumVMatrix.cc.
StaticInitializer CumVMatrix::_static_initializer_ & PLearn::CumVMatrix::_static_initialize_ | ( | ) | [static] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 63 of file CumVMatrix.cc.
void PLearn::CumVMatrix::build | ( | ) | [virtual] |
Simply calls inherited::build() then build_().
Reimplemented from PLearn::SourceVMatrix.
Definition at line 159 of file CumVMatrix.cc.
References PLearn::SourceVMatrix::build(), and build_().
{ inherited::build(); build_(); }
void PLearn::CumVMatrix::build_ | ( | ) | [private] |
This does the actual building.
Reimplemented from PLearn::SourceVMatrix.
Definition at line 118 of file CumVMatrix.cc.
References accumulated_columns, columns, columns_to_accumulate, PLearn::TMat< T >::fill(), PLearn::VMatrix::hasFieldInfos(), j, PLearn::VMat::length(), PLearn::TVec< T >::length(), PLearn::VMatrix::length_, MISSING_VALUE, PLERROR, previous_sourcerow, PLearn::TMat< T >::resize(), PLearn::TVec< T >::resize(), row, PLearn::VMatrix::setFieldInfos(), PLearn::TVec< T >::size(), PLearn::SourceVMatrix::source, PLearn::SourceVMatrix::sourcerow, PLearn::TVec< T >::subVec(), PLearn::VMatrix::updateMtime(), w, PLearn::VMat::width(), and PLearn::VMatrix::width_.
Referenced by build().
{ int nc=columns_to_accumulate.length(); if (source) { row.resize(source->width()+nc); sourcerow = row.subVec(0,source->width()); previous_sourcerow.resize(source->width()); columns.resize(nc); for (int j=0;j<nc;j++) if ((columns[j] = source->fieldIndex(columns_to_accumulate[j])) == -1) PLERROR("CumVMatrix: provided field name %s not found in source VMatrix",columns_to_accumulate[j].c_str()); updateMtime(source); // copy length and width from source if not set if(length_<0) length_ = source->length(); if(width_<0) width_ = source->width() + nc; accumulated_columns.resize(length_,nc); accumulated_columns.fill(MISSING_VALUE); // copy fieldnames from source if not set and they look good if(!hasFieldInfos() && source->hasFieldInfos() ) { Array<VMField>& sinfo = source->getFieldInfos(); int w=sinfo.size(); sinfo.resize(w+nc); for (int j=0;j<nc;j++) { sinfo[w+j]=sinfo[columns[j]]; sinfo[w+j].name = "cum-"+sinfo[w+j].name; } setFieldInfos(sinfo); } } }
string PLearn::CumVMatrix::classname | ( | ) | const [virtual] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 63 of file CumVMatrix.cc.
void PLearn::CumVMatrix::declareOptions | ( | OptionList & | ol | ) | [static, protected] |
Declares this class' options.
Reimplemented from PLearn::SourceVMatrix.
Definition at line 100 of file CumVMatrix.cc.
References average, PLearn::OptionBase::buildoption, columns_to_accumulate, PLearn::declareOption(), and PLearn::SourceVMatrix::declareOptions().
{ // ### Declare all of this object's options here // ### For the "flags" of each option, you should typically specify // ### one of OptionBase::buildoption, OptionBase::learntoption or // ### OptionBase::tuningoption. Another possible flag to be combined with // ### is OptionBase::nosave declareOption(ol, "columns_to_accumulate", &CumVMatrix::columns_to_accumulate, OptionBase::buildoption, "Names of the columns to accumulate."); declareOption(ol, "average", &CumVMatrix::average, OptionBase::buildoption, "whether to report the sum (default, when average=false) or the average"); // Now call the parent class' declareOptions inherited::declareOptions(ol); }
static const PPath& PLearn::CumVMatrix::declaringFile | ( | ) | [inline, static] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 109 of file CumVMatrix.h.
CumVMatrix * PLearn::CumVMatrix::deepCopy | ( | CopiesMap & | copies | ) | const [virtual] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 63 of file CumVMatrix.cc.
This is the only method requiring implementation.
Reimplemented from PLearn::SourceVMatrix.
Definition at line 65 of file CumVMatrix.cc.
References accumulated_columns, average, columns, columns_to_accumulate, i, PLearn::is_missing(), j, PLearn::TVec< T >::length(), previous_sourcerow, row, PLearn::SourceVMatrix::source, and PLearn::SourceVMatrix::sourcerow.
{ source->getRow(i,sourcerow); if (is_missing(accumulated_columns(i,0))) { int k=i-1; while (k>=0 && is_missing(accumulated_columns(k,0))) k--; if (k<0) { k=0; source->getRow(k,previous_sourcerow); for (int j=0;j<columns.length();j++) accumulated_columns(k,j) = previous_sourcerow[columns[j]]; } for (;k<i;k++) { source->getRow(k+1,previous_sourcerow); for (int j=0;j<columns.length();j++) accumulated_columns(k+1,j) = accumulated_columns(k,j) + previous_sourcerow[columns[j]]; } } if (average) { real normalization = 1.0 / (i+1); for (int j=0;j<columns_to_accumulate.length();j++) row[sourcerow.length()+j]=normalization*accumulated_columns(i,j); } else { for (int j=0;j<columns_to_accumulate.length();j++) row[sourcerow.length()+j]=accumulated_columns(i,j); } v << row; }
OptionList & PLearn::CumVMatrix::getOptionList | ( | ) | const [virtual] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 63 of file CumVMatrix.cc.
OptionMap & PLearn::CumVMatrix::getOptionMap | ( | ) | const [virtual] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 63 of file CumVMatrix.cc.
RemoteMethodMap & PLearn::CumVMatrix::getRemoteMethodMap | ( | ) | const [virtual] |
Reimplemented from PLearn::SourceVMatrix.
Definition at line 63 of file CumVMatrix.cc.
void PLearn::CumVMatrix::makeDeepCopyFromShallowCopy | ( | CopiesMap & | copies | ) | [virtual] |
Transforms a shallow copy into a deep copy.
Reimplemented from PLearn::SourceVMatrix.
Definition at line 165 of file CumVMatrix.cc.
References accumulated_columns, columns, columns_to_accumulate, PLearn::deepCopyField(), and PLearn::SourceVMatrix::makeDeepCopyFromShallowCopy().
{ inherited::makeDeepCopyFromShallowCopy(copies); deepCopyField(columns_to_accumulate, copies); deepCopyField(accumulated_columns, copies); deepCopyField(columns, copies); }
Reimplemented from PLearn::SourceVMatrix.
Definition at line 109 of file CumVMatrix.h.
Mat PLearn::CumVMatrix::accumulated_columns [protected] |
Definition at line 61 of file CumVMatrix.h.
Referenced by build_(), getNewRow(), and makeDeepCopyFromShallowCopy().
bool PLearn::CumVMatrix::average [protected] |
Definition at line 65 of file CumVMatrix.h.
Referenced by declareOptions(), and getNewRow().
TVec<int> PLearn::CumVMatrix::columns [protected] |
Definition at line 64 of file CumVMatrix.h.
Referenced by build_(), getNewRow(), and makeDeepCopyFromShallowCopy().
Definition at line 74 of file CumVMatrix.h.
Referenced by build_(), declareOptions(), getNewRow(), and makeDeepCopyFromShallowCopy().
Vec PLearn::CumVMatrix::previous_sourcerow [protected] |
Definition at line 63 of file CumVMatrix.h.
Referenced by build_(), and getNewRow().
Vec PLearn::CumVMatrix::row [protected] |
Definition at line 62 of file CumVMatrix.h.
Referenced by build_(), and getNewRow().