PLearn::SDBWithStats Class Reference

#include <SDBWithStats.h>

Inheritance diagram for PLearn::SDBWithStats:

[legend]Collaboration diagram for PLearn::SDBWithStats:

[legend]List of all members.

Public Member Functions
int	nfields ()
string	fieldname (int i)
	SDBWithStats (string basename, string path=".", AccessType access=readwrite, bool verbose=true)
void	forgetStats ()
void	computeStats (unsigned int nrows)
void	computeStats ()
bool	hasStats ()
	returns true if the stats files exist
void	saveStats ()
void	loadStats ()
FieldStat &	getStat (int i)
const FieldStat &	getStat (int i) const
FieldStat &	getStat (const string &fieldname)
const FieldStat &	getStat (const string &fieldname) const
Public Attributes
vector< FieldStat >	fieldstat

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Constructor & Destructor Documentation

PLearn::SDBWithStats::SDBWithStats (  string  basename, string  path = ".", AccessType  access = readwrite, bool  verbose = true )

Definition at line 98 of file SDBWithStats.cc. References fieldstat, PLearn::SimpleDB< KeyType, QueryResult >::getSchema(), hasStats(), loadStats(), PLearn::SDB, and PLearn::SimpleDB< KeyType, QueryResult >::size().

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Member Function Documentation

void PLearn::SDBWithStats::computeStats (   )  [inline]

Definition at line 119 of file SDBWithStats.h. References PLearn::SimpleDB< KeyType, QueryResult >::size().

void PLearn::SDBWithStats::computeStats (  unsigned int  nrows  )

Definition at line 112 of file SDBWithStats.cc. References PLearn::Row::begin(), PLearn::CharacterType, PLearn::Row::const_iterator, PLearn::DateType, PLearn::DoubleType, PLearn::endl(), fieldstat, PLearn::FloatType, forgetStats(), PLearn::RowIterator::getFieldType(), PLearn::SimpleDB< KeyType, QueryResult >::getSchema(), PLearn::IntType, PLearn::RowIterator::isMissing(), nfields(), PLERROR, PLearn::SimpleDB< KeyType, QueryResult >::RowNumber, PLearn::ShortType, PLearn::SignedCharType, PLearn::StringType, PLearn::todouble(), and PLearn::tostring(). Referenced by PLearn::SDBVMatrix::SDBVMatrix().

string PLearn::SDBWithStats::fieldname (  int  i  )  [inline]

Definition at line 111 of file SDBWithStats.h. References fieldname(), and PLearn::SimpleDB< KeyType, QueryResult >::getSchema(). Referenced by fieldname(), loadStats(), and saveStats().

void PLearn::SDBWithStats::forgetStats (   )

Definition at line 106 of file SDBWithStats.cc. References PLearn::FieldStat::clear(), getStat(), and PLearn::SimpleDB< KeyType, QueryResult >::width(). Referenced by computeStats(), and loadStats().

const FieldStat & PLearn::SDBWithStats::getStat (  const string &  fieldname  )  const

Definition at line 276 of file SDBWithStats.cc. References getStat(), and PLERROR.

FieldStat & PLearn::SDBWithStats::getStat (  const string &  fieldname  )

Definition at line 268 of file SDBWithStats.cc. References getStat(), and PLERROR.

const FieldStat & PLearn::SDBWithStats::getStat (  int  i  )  const

Definition at line 261 of file SDBWithStats.cc. References fieldstat, PLERROR, and PLearn::SimpleDB< KeyType, QueryResult >::width().

FieldStat & PLearn::SDBWithStats::getStat (  int  i  )

Definition at line 254 of file SDBWithStats.cc. References fieldstat, PLERROR, and PLearn::SimpleDB< KeyType, QueryResult >::width(). Referenced by forgetStats(), PLearn::SDBVMSource::getFieldStat(), and getStat().

bool PLearn::SDBWithStats::hasStats (   )

returns true if the stats files exist Definition at line 157 of file SDBWithStats.cc. References PLearn::file_exists(), PLearn::SimpleDB< KeyType, QueryResult >::getName(), and PLearn::SimpleDB< KeyType, QueryResult >::getPath(). Referenced by PLearn::SDBVMatrix::SDBVMatrix(), and SDBWithStats().

void PLearn::SDBWithStats::loadStats (   )

Definition at line 195 of file SDBWithStats.cc. References fieldname(), fieldstat, forgetStats(), PLearn::SimpleDB< KeyType, QueryResult >::getName(), PLearn::SimpleDB< KeyType, QueryResult >::getPath(), k, PLearn::FieldStat::max_, PLearn::FieldStat::mean_, PLearn::FieldStat::min_, PLearn::FieldStat::missing_, PLearn::FieldStat::nonmissing_, PLERROR, PLearn::FieldStat::stddev_, PLearn::FieldStat::symbolcount, PLearn::FieldStat::symbolid, PLearn::tofloat(), and PLearn::toint(). Referenced by PLearn::SDBVMatrix::SDBVMatrix(), and SDBWithStats().

int PLearn::SDBWithStats::nfields (   )  [inline]

Definition at line 110 of file SDBWithStats.h. References PLearn::SimpleDB< KeyType, QueryResult >::getSchema(). Referenced by computeStats().

void PLearn::SDBWithStats::saveStats (   )

Definition at line 164 of file SDBWithStats.cc. References PLearn::endl(), fieldname(), fieldstat, PLearn::SimpleDB< KeyType, QueryResult >::getName(), PLearn::SimpleDB< KeyType, QueryResult >::getPath(), PLearn::FieldStat::max(), PLearn::FieldStat::mean(), PLearn::FieldStat::min(), PLearn::FieldStat::missing(), PLearn::FieldStat::nonmissing(), PLearn::FieldStat::nsymbols(), PLERROR, PLearn::FieldStat::stddev(), and PLearn::FieldStat::symbolcount. Referenced by PLearn::SDBVMatrix::SDBVMatrix().

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Member Data Documentation

vector<FieldStat> PLearn::SDBWithStats::fieldstat

Definition at line 109 of file SDBWithStats.h. Referenced by computeStats(), getStat(), loadStats(), saveStats(), and SDBWithStats().

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The documentation for this class was generated from the following files:

• SDBWithStats.h
• SDBWithStats.cc

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