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java.lang.Objectumontreal.iro.lecuyer.probdist.ContinuousDistribution
umontreal.iro.lecuyer.probdist.StudentDist
umontreal.iro.lecuyer.probdist.StudentDistQuick
public class StudentDistQuick
Extends the class StudentDist for
the Student t-distribution. Uses methods that are faster but less precise
than StudentDist.
| Field Summary |
|---|
| Fields inherited from class umontreal.iro.lecuyer.probdist.ContinuousDistribution |
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decPrec |
| Constructor Summary | |
|---|---|
StudentDistQuick(int n)
Constructs a StudentDistQuick object with n degrees of freedom. |
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| Method Summary | |
|---|---|
double |
barF(double x)
Returns the complementary distribution function. |
static double |
barF(int n,
double x)
Computes the complementary distribution function bar(F)(x). |
double |
cdf(double x)
Returns the distribution function F(x). |
static double |
cdf(int n,
double x)
Returns an approximation of the Student t-distribution function with n degrees of freedom. |
double |
inverseF(double u)
Returns the inverse distribution function x = F-1(u). |
static double |
inverseF(int n,
double u)
Returns an approximation of F-1(u), where F is the Student t-distribution function with n degrees of freedom. |
| Methods inherited from class umontreal.iro.lecuyer.probdist.StudentDist |
|---|
cdf2, density, density, getInstanceFromMLE, getMean, getMean, getMLE, getN, getParams, getStandardDeviation, getStandardDeviation, getVariance, getVariance, setN, toString |
| Methods inherited from class umontreal.iro.lecuyer.probdist.ContinuousDistribution |
|---|
getXinf, getXsup, inverseBisection, inverseBrent, setXinf, setXsup |
| Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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public StudentDistQuick(int n)
| Method Detail |
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public double cdf(double x)
Distribution
cdf in interface Distributioncdf in class StudentDistx - value at which the distribution function is evaluated
public double barF(double x)
ContinuousDistribution
barF in interface DistributionbarF in class StudentDistx - value at which the complementary distribution function is evaluated
public double inverseF(double u)
ContinuousDistribution
inverseF in interface DistributioninverseF in class StudentDistu - value at which the inverse distribution function is evaluated
public static double cdf(int n,
double x)
public static double barF(int n,
double x)
public static double inverseF(int n,
double u)
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SSJ V. 2.6. |
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