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java.lang.Objectorg.apache.mahout.math.PersistentObject
org.apache.mahout.math.jet.random.AbstractDistribution
org.apache.mahout.math.jet.random.AbstractContinousDistribution
org.apache.mahout.math.jet.random.Gamma
@Deprecated public class Gamma
Field Summary |
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Fields inherited from class org.apache.mahout.math.jet.random.AbstractDistribution |
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randomGenerator |
Constructor Summary | |
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Gamma(double alpha,
double lambda,
RandomEngine randomGenerator)
Deprecated. Constructs a Gamma distribution. |
Method Summary | |
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double |
cdf(double x)
Deprecated. Returns the cumulative distribution function. |
double |
nextDouble()
Deprecated. Returns a random number from the distribution. |
double |
nextDouble(double alpha,
double lambda)
Deprecated. Returns a random number from the distribution; bypasses the internal state. |
double |
pdf(double x)
Deprecated. Returns the probability distribution function. |
void |
setState(double alpha,
double lambda)
Deprecated. Sets the mean and variance. |
static double |
staticNextDouble(double alpha,
double lambda)
Deprecated. Returns a random number from the distribution. |
java.lang.String |
toString()
Deprecated. Returns a String representation of the receiver. |
Methods inherited from class org.apache.mahout.math.jet.random.AbstractDistribution |
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apply, apply, clone, getRandomGenerator, makeDefaultGenerator, nextByte, nextChar, nextFloat, nextInt, nextLong, setRandomGenerator |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Gamma(double alpha, double lambda, RandomEngine randomGenerator)
java.lang.IllegalArgumentException
- if alpha <= 0.0 || lambda <= 0.0.Method Detail |
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public double cdf(double x)
public double nextDouble()
nextDouble
in class AbstractDistribution
public double nextDouble(double alpha, double lambda)
public double pdf(double x)
public void setState(double alpha, double lambda)
java.lang.IllegalArgumentException
- if alpha <= 0.0 || lambda <= 0.0.public static double staticNextDouble(double alpha, double lambda)
java.lang.IllegalArgumentException
- if alpha <= 0.0 || lambda <= 0.0.public java.lang.String toString()
toString
in class java.lang.Object
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