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matvec::DiscreteUniformDist Class Reference

#include <statdist.h>

Inheritance diagram for matvec::DiscreteUniformDist:

matvec::StatDistBase List of all members.

Detailed Description

discreteuniform statistical distribution.

Definition at line 344 of file statdist.h.

Public Methods

 DiscreteUniformDist (const long a, const long b)
 DiscreteUniformDist (const DiscreteUniformDist &u)
void display (void) const
void reset (const long a, const long b)
void sample (Vector< double > &x) const
void sample (doubleMatrix &x) const
double sample (void) const
Vector< double > sample (unsigned n) const
doubleMatrix sample (unsigned m, unsigned n) const
double mean (void) const
double variance (void) const
double pdf (const double x) const
double cdf (const double x) const
double pdf (const long x) const
double cdf (const long x) const
double mgf (const double t) const
double inv (const double p) const
double parameter (const int k) const
void parameter (const int k, const double x)
virtual const std::string name (void) const
virtual double nonct (const double cv, const double p)

Protected Attributes

long a_value
long b_value
std::string distname

Constructor & Destructor Documentation

matvec::DiscreteUniformDist::DiscreteUniformDist (  const long    a,
const long    b
)  [inline]
 

Definition at line 348 of file statdist.h.

References matvec::StatDistBase::distname, and reset(). 

00349                         {distname="DiscreteUniformDist"; reset(a,b);}

matvec::DiscreteUniformDist::DiscreteUniformDist (  const DiscreteUniformDist &    u )  [inline]
 

Definition at line 350 of file statdist.h.

References matvec::StatDistBase::distname, and reset(). 

00350                                                        :StatDistBase()
00351                   {distname="DiscreteUniformDist";
00352                    reset(u.a_value,u.b_value);}

Member Function Documentation

double matvec::DiscreteUniformDist::cdf (  const long    x )  const [inline]
 

Definition at line 367 of file statdist.h.

References a_value, and b_value. 

00368                           {return double(x-a_value)/double(b_value - a_value);}

double matvec::DiscreteUniformDist::cdf (  const double    x )  const [inline, virtual]
 

Implements matvec::StatDistBase.

Definition at line 365 of file statdist.h. 

00365 {return cdf(long(x));}

void matvec::DiscreteUniformDist::display (  void    )  const [inline, virtual]
 

Implements matvec::StatDistBase.

Definition at line 354 of file statdist.h.

References a_value, b_value, and matvec::StatDistBase::distname. 

00354                                   {std::cout << "\t" << distname << "(" << a_value
00355                                         << "," << b_value << ")\n"; return;}

double matvec::DiscreteUniformDist::inv (  const double    p )  const [inline, virtual]
 

Implements matvec::StatDistBase.

Definition at line 370 of file statdist.h. 

00371                      {std::cerr << " DiscreteUniformDist::inv(): not available\n"; return p;}

double matvec::DiscreteUniformDist::mean (  void    )  const [inline, virtual]
 

Implements matvec::StatDistBase.

Definition at line 362 of file statdist.h.

References a_value, and b_value. 

00362 {return 0.5*(a_value + b_value);}

double matvec::DiscreteUniformDist::mgf (  const double    t )  const [virtual]
 

Implements matvec::StatDistBase.

Definition at line 1079 of file statdist.cpp. 

01080         {
01081       throw exception("BetaDist::parameter(): bad arg1");
01082    }
01083 }

virtual const std::string matvec::StatDistBase::name (  void    )  const [inline, virtual, inherited]
 

Definition at line 45 of file statdistbase.h.

References matvec::StatDistBase::distname. 

00045 {return distname;}

virtual double matvec::StatDistBase::nonct (  const double    cv,
const double    p
)  [inline, virtual, inherited]
 

Definition at line 58 of file statdistbase.h. 

00058 {std::cerr << "error\n"; return 0.0;}

void matvec::DiscreteUniformDist::parameter (  const int    k,
const double    x
)  [virtual]
 

Implements matvec::StatDistBase.

Definition at line 1132 of file statdist.cpp. 

01133 {
01134    double par =  0.0;
01135    if (k==1) {
01136       par = static_cast<double>(a_value);
01137    }
01138    else if (k==2) {
01139       par = static_cast<double>(b_value);
01140    }
01141    else {
01142       throw exception("DiscreteUniformDist::parameter(): bad arg, 1 or 2 is expected");
01143    }
01144    return par;
01145 }
01146 
01147 void DiscreteUniformDist::parameter(const int k, const double x)
01148 {
01149    if (k==1) {
01150       if (x <= b_value) {
01151          a_value = static_cast<long int>(x);
01152       }
01153       else {

double matvec::DiscreteUniformDist::parameter (  const int    k )  const [virtual]
 

Implements matvec::StatDistBase.

Definition at line 1117 of file statdist.cpp.

References sample(). 

01119 {
01120    Vector<double> x(n);
01121    sample(x);
01122    return x;
01123 }
01124 
01125 doubleMatrix DiscreteUniformDist::sample(unsigned m,unsigned n) const
01126 {
01127    doubleMatrix x(m,n);
01128    sample(x);
01129    return x;
01130 }

double matvec::DiscreteUniformDist::pdf (  const long    x )  const [inline]
 

Definition at line 366 of file statdist.h.

References a_value, and b_value. 

00366 {return 1.0/(b_value - a_value);}

double matvec::DiscreteUniformDist::pdf (  const double    x )  const [inline, virtual]
 

Implements matvec::StatDistBase.

Definition at line 364 of file statdist.h. 

00364 {return pdf(long(x));}

void matvec::DiscreteUniformDist::reset (  const long    a,
const long    b
) 
 

Definition at line 1072 of file statdist.cpp.

References matvec::BetaDist::alpha_value.

Referenced by DiscreteUniformDist(). 

01074                   {
01075       beta_value = x;
01076    }
01077    else if (k==3) {

doubleMatrix matvec::DiscreteUniformDist::sample (  unsigned    m,
unsigned    n
)  const [virtual]
 

Implements matvec::StatDistBase.

Definition at line 1110 of file statdist.cpp.

References a_value, and b_value. 

01112                                  {
01113       bot = x[i];  top = &bot[nc];
01114       while (bot < top ) *bot++ = static_cast<double>(ignuin(a_value,b_value));
01115    }

Vector< double > matvec::DiscreteUniformDist::sample (  unsigned    n )  const [virtual]
 

Implements matvec::StatDistBase.

Definition at line 1103 of file statdist.cpp.

References a_value, and b_value. 

01108 {

double matvec::DiscreteUniformDist::sample (  void    )  const [inline, virtual]
 

Implements matvec::StatDistBase.

Definition at line 359 of file statdist.h.

References a_value, b_value, and matvec::ignuin().

Referenced by parameter(). 

00359 {return double(ignuin(a_value,b_value));}

void matvec::DiscreteUniformDist::sample (  doubleMatrix &    x )  const [virtual]
 

Implements matvec::StatDistBase.

Definition at line 1092 of file statdist.cpp. 

01095 {
01096    throw exception("DiscreteUniformDist:mgf(): not available yet");
01097    return 0.0;
01098 }
01099 
01100 void DiscreteUniformDist::sample(Vector<double>& x) const
01101 {

void matvec::DiscreteUniformDist::sample (  Vector< double > &    x )  const [virtual]
 

Implements matvec::StatDistBase.

Definition at line 1085 of file statdist.cpp.

References a_value, and b_value. 

01088 {
01089    if (a > b) throw exception("DiscreUniformDist::reset(a,b): b must be larger than a");
01090    a_value = a;

double matvec::DiscreteUniformDist::variance (  void    )  const [inline, virtual]
 

Implements matvec::StatDistBase.

Definition at line 363 of file statdist.h.

References a_value, and b_value. 

00363 {double c=b_value-a_value;return  c*c/12.0;}

Member Data Documentation

long matvec::DiscreteUniformDist::a_value [protected]
 

Definition at line 346 of file statdist.h.

Referenced by cdf(), display(), mean(), pdf(), matvec::BinomialDist::reset(), sample(), and variance().

long matvec::DiscreteUniformDist::b_value [protected]
 

Definition at line 346 of file statdist.h.

Referenced by cdf(), display(), mean(), pdf(), matvec::BinomialDist::reset(), sample(), and variance().

std::string matvec::StatDistBase::distname [protected, inherited]
 

Definition at line 39 of file statdistbase.h.

Referenced by matvec::BetaDist::BetaDist(), matvec::BinomialDist::BinomialDist(), matvec::ChiSquareDist::ChiSquareDist(), DiscreteUniformDist(), matvec::NegativeBinomialDist::display(), matvec::GeometricDist::display(), matvec::PoissonDist::display(), matvec::BinomialDist::display(), display(), matvec::BetaDist::display(), matvec::ExponentialDist::display(), matvec::GammaDist::display(), matvec::FDist::display(), matvec::tDist::display(), matvec::ChiSquareDist::display(), matvec::LogNormalDist::display(), matvec::NormalDist::display(), matvec::UniformDist::display(), matvec::ExponentialDist::ExponentialDist(), matvec::FDist::FDist(), matvec::GammaDist::GammaDist(), matvec::GeometricDist::GeometricDist(), matvec::LogNormalDist::LogNormalDist(), matvec::StatDistBase::name(), matvec::NegativeBinomialDist::NegativeBinomialDist(), matvec::NormalDist::NormalDist(), matvec::PoissonDist::PoissonDist(), matvec::StatDistBase::StatDistBase(), matvec::tDist::tDist(), and matvec::UniformDist::UniformDist().

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