Namespaces
Variants
Views
Actions

std::fisher_f_distribution

From cppreference.com
< cpp‎ | numeric‎ | random
Revision as of 18:30, 9 July 2013 by P12bot (Talk | contribs)

 
 
 
Pseudo-random number generation
Engines and engine adaptors
Generators
Distributions
Uniform distributions
Bernoulli distributions
Poisson distributions
Normal distributions
fisher_f_distribution
(C++11)
Sampling distributions
Seed Sequences
(C++11)
C library
 
 
Defined in header <random>
template< class RealType = double >
class fisher_f_distribution;
(since C++11)

The fisher_f_distribution class is a RandomNumberDistribution that produces random numbers according to the f-distribution:

p(x;m,n) =
Γ((m+n)/2)
Γ(m/2) Γ(n/2)
(m/n)m/2
x(m/2)-1
(1+
mx
n
)-(m+n)/2

m and n are the degrees of freedom.

Contents

Member types

Member type Definition
result_type RealType
param_type the type of the parameter set, unspecified

Member functions

constructs new distribution
(public member function) [edit]
resets the internal state of the distribution
(public member function) [edit]
Generation
generates the next random number in the distribution
(public member function) [edit]
Characteristics
returns the distribution parameters
(public member function) [edit]
gets or sets the distribution parameter object
(public member function) [edit]
returns the minimum potentially generated value
(public member function) [edit]
returns the maximum potentially generated value
(public member function) [edit]

Non-member functions

compares two distribution objects
(function) [edit]
performs stream input and output on pseudo-random number distribution
(function template) [edit]

Example

External links

Weisstein, Eric W. "F-Distribution." From MathWorld--A Wolfram Web Resource.