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FRatioDistribution
FRatioDistribution
[
n
,
m
]
represents an F-ratio distribution with
n
numerator and
m
denominator degrees of freedom.
MORE INFORMATION
The probability density for value
x
in an F-ratio distribution is proportional to
for
, and is zero for
.
»
For integer
n
and
m
, the F-ratio distribution gives the distribution of the ratio of variances for samples from normal distributions.
FRatioDistribution
allows
n
and
m
to be any positive real numbers.
FRatioDistribution
can be used with such functions as
Mean
,
CDF
and
RandomReal
.
»
EXAMPLES
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Basic Examples
(2)
The mean and variance of an F-ratio distribution:
In[1]:=
Out[1]=
In[2]:=
Out[2]=
The probability density function is related to the beta function:
In[1]:=
Out[1]=
In[2]:=
Out[2]=
Scope
(4)
Applications
(3)
Properties & Relations
(2)
Possible Issues
(2)
(2)
SEE ALSO
ChiSquareDistribution
NoncentralFRatioDistribution
TUTORIALS
Continuous Distributions
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