PLearn::FieldStat Class Reference

#include <SDBWithStats.h>

Collaboration diagram for PLearn::FieldStat:

[legend]List of all members.

Public Member Functions
int	nsymbols ()
	FieldStat ()
int	ntotal () const
int	missing () const
int	nonmissing () const
real	mean () const
real	stddev () const
real	min () const
real	max () const
void	updateString (const string &sym)
void	updateNumber (double d)
void	updateMissing ()
void	clear ()
	clear everything
void	finalize ()
	computes final mean and stddev
Public Attributes
map< string, int >	symbolcount
	For symbolic values.
map< string, int >	symbolid
	an int between 1 and nsymbols associated to each symbol
Static Public Attributes
int	max_nsymbols = 400
	stop remembering symbols above this number...
Protected Attributes
int	nonmissing_
	number of entries with non missing value
int	missing_
	number of entries with missing value
double	sum_
	For numeric values:.
double	sumsquare_
double	min_
double	max_
double	mean_
double	stddev_

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Constructor & Destructor Documentation

PLearn::FieldStat::FieldStat (   )  [inline]

Definition at line 85 of file SDBWithStats.h. References max_, min_, missing_, nonmissing_, sum_, and sumsquare_.

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Member Function Documentation

void PLearn::FieldStat::clear (   )

clear everything Definition at line 72 of file SDBWithStats.cc. References max_, mean_, min_, missing_, nonmissing_, stddev_, sum_, sumsquare_, symbolcount, and symbolid. Referenced by PLearn::SDBWithStats::forgetStats().

void PLearn::FieldStat::finalize (   )

computes final mean and stddev Definition at line 86 of file SDBWithStats.cc. References max_nsymbols, mean_, nonmissing_, nsymbols(), PLearn::sqrt(), PLearn::square(), stddev_, sum_, sumsquare_, symbolcount, and symbolid.

real PLearn::FieldStat::max (   )  const [inline]

Definition at line 96 of file SDBWithStats.h. References max_. Referenced by PLearn::SDBWithStats::saveStats().

real PLearn::FieldStat::mean (   )  const [inline]

Definition at line 93 of file SDBWithStats.h. References mean_. Referenced by PLearn::SDBVMFieldNormalize::convertField(), and PLearn::SDBWithStats::saveStats().

real PLearn::FieldStat::min (   )  const [inline]

Definition at line 95 of file SDBWithStats.h. References min_. Referenced by PLearn::SDBWithStats::saveStats().

int PLearn::FieldStat::missing (   )  const [inline]

Definition at line 91 of file SDBWithStats.h. References missing_. Referenced by PLearn::SDBWithStats::saveStats().

int PLearn::FieldStat::nonmissing (   )  const [inline]

Definition at line 92 of file SDBWithStats.h. References nonmissing_. Referenced by PLearn::SDBWithStats::saveStats().

int PLearn::FieldStat::nsymbols (   )  [inline]

Definition at line 82 of file SDBWithStats.h. References symbolcount. Referenced by finalize(), PLearn::SDBWithStats::saveStats(), updateNumber(), and updateString().

int PLearn::FieldStat::ntotal (   )  const [inline]

Definition at line 90 of file SDBWithStats.h. References missing_, and nonmissing_.

real PLearn::FieldStat::stddev (   )  const [inline]

Definition at line 94 of file SDBWithStats.h. References stddev_. Referenced by PLearn::SDBVMFieldDivSigma::convertField(), PLearn::SDBVMFieldNormalize::convertField(), and PLearn::SDBWithStats::saveStats().

void PLearn::FieldStat::updateMissing (   )  [inline]

Definition at line 100 of file SDBWithStats.h. References missing_.

void PLearn::FieldStat::updateNumber (  double  d  )

Definition at line 59 of file SDBWithStats.cc. References max_, max_nsymbols, min_, nonmissing_, nsymbols(), sum_, sumsquare_, symbolcount, and PLearn::tostring().

void PLearn::FieldStat::updateString (  const string &  sym  )

Definition at line 52 of file SDBWithStats.cc. References max_nsymbols, nonmissing_, nsymbols(), and symbolcount.

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Member Data Documentation

double PLearn::FieldStat::max_ [protected]

Definition at line 73 of file SDBWithStats.h. Referenced by clear(), FieldStat(), PLearn::SDBWithStats::loadStats(), max(), and updateNumber().

int PLearn::FieldStat::max_nsymbols = 400 [static]

stop remembering symbols above this number... Definition at line 50 of file SDBWithStats.cc. Referenced by finalize(), updateNumber(), and updateString().

double PLearn::FieldStat::mean_ [protected]

Definition at line 74 of file SDBWithStats.h. Referenced by clear(), finalize(), PLearn::SDBWithStats::loadStats(), and mean().

double PLearn::FieldStat::min_ [protected]

Definition at line 72 of file SDBWithStats.h. Referenced by clear(), FieldStat(), PLearn::SDBWithStats::loadStats(), min(), and updateNumber().

int PLearn::FieldStat::missing_ [protected]

number of entries with missing value Definition at line 66 of file SDBWithStats.h. Referenced by clear(), FieldStat(), PLearn::SDBWithStats::loadStats(), missing(), ntotal(), and updateMissing().

int PLearn::FieldStat::nonmissing_ [protected]

number of entries with non missing value Definition at line 65 of file SDBWithStats.h. Referenced by clear(), FieldStat(), finalize(), PLearn::SDBWithStats::loadStats(), nonmissing(), ntotal(), updateNumber(), and updateString().

double PLearn::FieldStat::stddev_ [protected]

Definition at line 75 of file SDBWithStats.h. Referenced by clear(), finalize(), PLearn::SDBWithStats::loadStats(), and stddev().

double PLearn::FieldStat::sum_ [protected]

For numeric values:. Definition at line 69 of file SDBWithStats.h. Referenced by clear(), FieldStat(), finalize(), and updateNumber().

double PLearn::FieldStat::sumsquare_ [protected]

Definition at line 70 of file SDBWithStats.h. Referenced by clear(), FieldStat(), finalize(), and updateNumber().

map<string,int> PLearn::FieldStat::symbolcount

For symbolic values. Definition at line 80 of file SDBWithStats.h. Referenced by clear(), finalize(), PLearn::SDBWithStats::loadStats(), nsymbols(), PLearn::SDBWithStats::saveStats(), updateNumber(), and updateString().

map<string,int> PLearn::FieldStat::symbolid [mutable]

an int between 1 and nsymbols associated to each symbol Definition at line 81 of file SDBWithStats.h. Referenced by clear(), finalize(), PLearn::SDBWithStats::loadStats(), PLearn::SDBVMFieldRemapReals::SDBVMFieldRemapReals(), and PLearn::SDBVMFieldRemapStrings::SDBVMFieldRemapStrings().

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

• SDBWithStats.h
• SDBWithStats.cc

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