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Packages that use RandomEngine | |
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org.apache.mahout.math.jet.random | Large variety of probability distributions featuring high performance generation of random numbers, CDF's and PDF's. |
org.apache.mahout.math.jet.random.engine | Engines generating strong uniformly distributed pseudo-random numbers; Needed by all JET probability distributions since they rely on uniform random numbers to generate random numbers from their own distribution. |
org.apache.mahout.math.jet.random.sampling | Samples (picks) random subsets of data sequences. |
org.apache.mahout.math.jet.stat.quantile | Scalable algorithms and data structures to compute approximate quantiles over very large data sequences. |
org.apache.mahout.math.matrix.doublealgo | Double matrix algorithms such as print formatting, sorting, partitioning and statistics. |
Uses of RandomEngine in org.apache.mahout.math.jet.random |
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Fields in org.apache.mahout.math.jet.random declared as RandomEngine | |
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protected RandomEngine |
AbstractDistribution.randomGenerator
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Methods in org.apache.mahout.math.jet.random that return RandomEngine | |
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protected RandomEngine |
AbstractDistribution.getRandomGenerator()
Returns the used uniform random number generator; |
static RandomEngine |
AbstractDistribution.makeDefaultGenerator()
Constructs and returns a new uniform random number generation engine seeded with the current time. |
Methods in org.apache.mahout.math.jet.random with parameters of type RandomEngine | |
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protected double |
Beta.b00(double a,
double b,
RandomEngine randomGenerator)
Deprecated. |
protected double |
Beta.b01(double a,
double b,
RandomEngine randomGenerator)
Deprecated. |
protected double |
Beta.b1prs(double p,
double q,
RandomEngine randomGenerator)
Deprecated. |
protected long |
Zeta.generateZeta(double ro,
double pk,
RandomEngine randomGenerator)
Deprecated. Returns a zeta distributed random number. |
protected int |
HyperGeometric.hmdu(int N,
int M,
int n,
RandomEngine randomGenerator)
Deprecated. Returns a random number from the distribution. |
protected int |
HyperGeometric.hprs(int N,
int M,
int n,
RandomEngine randomGenerator)
Deprecated. Returns a random number from the distribution. |
static double |
Distributions.nextBurr1(double r,
int nr,
RandomEngine randomGenerator)
Deprecated. Returns a random number from the Burr II, VII, VIII, X Distributions. |
static double |
Distributions.nextBurr2(double r,
double k,
int nr,
RandomEngine randomGenerator)
Deprecated. Returns a random number from the Burr III, IV, V, VI, IX, XII distributions. |
static double |
Distributions.nextCauchy(RandomEngine randomGenerator)
Deprecated. Returns a cauchy distributed random number from the standard Cauchy distribution C(0,1). |
static double |
Distributions.nextErlang(double variance,
double mean,
RandomEngine randomGenerator)
Deprecated. Returns an erlang distributed random number with the given variance and mean. |
static int |
Distributions.nextGeometric(double p,
RandomEngine randomGenerator)
Deprecated. Returns a discrete geometric distributed random number; Definition. |
protected int |
HyperGeometric.nextInt(int N,
int M,
int n,
RandomEngine randomGenerator)
Deprecated. Returns a random number from the distribution; bypasses the internal state. |
static double |
Distributions.nextLambda(double l3,
double l4,
RandomEngine randomGenerator)
Deprecated. Returns a lambda distributed random number with parameters l3 and l4. |
static double |
Distributions.nextLaplace(RandomEngine randomGenerator)
Deprecated. Returns a Laplace (Double Exponential) distributed random number from the standard Laplace distribution L(0,1). |
static double |
Distributions.nextLogistic(RandomEngine randomGenerator)
Deprecated. Returns a random number from the standard Logistic distribution Log(0,1). |
static double |
Distributions.nextPowLaw(double alpha,
double cut,
RandomEngine randomGenerator)
Deprecated. Returns a power-law distributed random number with the given exponent and lower cutoff. |
static double |
Distributions.nextTriangular(RandomEngine randomGenerator)
Deprecated. Returns a random number from the standard Triangular distribution in (-1,1). |
static double |
Distributions.nextWeibull(double alpha,
double beta,
RandomEngine randomGenerator)
Deprecated. Returns a weibull distributed random number. |
static int |
Distributions.nextZipfInt(double z,
RandomEngine randomGenerator)
Deprecated. Returns a zipfian distributed random number with the given skew. |
protected void |
Normal.setRandomGenerator(RandomEngine randomGenerator)
Deprecated. Sets the uniform random generator internally used. |
protected void |
AbstractDistribution.setRandomGenerator(RandomEngine randomGenerator)
Sets the uniform random generator internally used. |
static void |
Uniform.staticSetRandomEngine(RandomEngine randomGenerator)
Sets the uniform random number generation engine shared by all static methods. |
Constructors in org.apache.mahout.math.jet.random with parameters of type RandomEngine | |
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Beta(double alpha,
double beta,
RandomEngine randomGenerator)
Deprecated. Constructs a Beta distribution. |
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Binomial(int n,
double p,
RandomEngine randomGenerator)
Deprecated. Constructs a binomial distribution. |
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BreitWigner(double mean,
double gamma,
double cut,
RandomEngine randomGenerator)
Deprecated. Constructs a BreitWigner distribution. |
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BreitWignerMeanSquare(double mean,
double gamma,
double cut,
RandomEngine randomGenerator)
Deprecated. Constructs a mean-squared BreitWigner distribution. |
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ChiSquare(double freedom,
RandomEngine randomGenerator)
Deprecated. Constructs a ChiSquare distribution. |
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Empirical(double[] pdf,
int interpolationType,
RandomEngine randomGenerator)
Deprecated. Constructs an Empirical distribution. |
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EmpiricalWalker(double[] pdf,
int interpolationType,
RandomEngine randomGenerator)
Deprecated. Constructs an Empirical distribution. |
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Exponential(double lambda,
RandomEngine randomGenerator)
Deprecated. Constructs a Negative Exponential distribution. |
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ExponentialPower(double tau,
RandomEngine randomGenerator)
Deprecated. Constructs an Exponential Power distribution. |
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Gamma(double alpha,
double lambda,
RandomEngine randomGenerator)
Deprecated. Constructs a Gamma distribution. |
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Hyperbolic(double alpha,
double beta,
RandomEngine randomGenerator)
Deprecated. Constructs a Beta distribution. |
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HyperGeometric(int N,
int s,
int n,
RandomEngine randomGenerator)
Deprecated. Constructs a HyperGeometric distribution. |
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Logarithmic(double p,
RandomEngine randomGenerator)
Deprecated. Constructs a Logarithmic distribution. |
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NegativeBinomial(int n,
double p,
RandomEngine randomGenerator)
Deprecated. Constructs a Negative Binomial distribution. |
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Normal(double mean,
double standardDeviation,
RandomEngine randomGenerator)
Deprecated. Constructs a normal (gauss) distribution. |
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Poisson(double mean,
RandomEngine randomGenerator)
Deprecated. Constructs a poisson distribution. |
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PoissonSlow(double mean,
RandomEngine randomGenerator)
Deprecated. Constructs a poisson distribution. |
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StudentT(double freedom,
RandomEngine randomGenerator)
Deprecated. Constructs a StudentT distribution. |
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Uniform(double min,
double max,
RandomEngine randomGenerator)
Constructs a uniform distribution with the given minimum and maximum. |
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Uniform(RandomEngine randomGenerator)
Constructs a uniform distribution with min=0.0 and max=1.0. |
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VonMises(double freedom,
RandomEngine randomGenerator)
Deprecated. Constructs a Von Mises distribution. |
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Zeta(double ro,
double pk,
RandomEngine randomGenerator)
Deprecated. Constructs a Zeta distribution. |
Uses of RandomEngine in org.apache.mahout.math.jet.random.engine |
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Subclasses of RandomEngine in org.apache.mahout.math.jet.random.engine | |
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class |
DRand
Quick medium quality uniform pseudo-random number generator. |
class |
MersenneTwister
Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported. |
class |
MersenneTwister64
Deprecated. until unit tests are in place. Until this time, this class/interface is unsupported. |
Methods in org.apache.mahout.math.jet.random.engine that return RandomEngine | |
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static RandomEngine |
RandomEngine.makeDefault()
Constructs and returns a new uniform random number engine seeded with the current time. |
Uses of RandomEngine in org.apache.mahout.math.jet.random.sampling |
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Methods in org.apache.mahout.math.jet.random.sampling that return RandomEngine | |
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RandomEngine |
RandomSamplingAssistant.getRandomGenerator()
Deprecated. Returns the used random generator. |
Methods in org.apache.mahout.math.jet.random.sampling with parameters of type RandomEngine | |
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protected static void |
RandomSampler.rejectMethodD(long n,
long N,
int count,
long low,
long[] values,
int fromIndex,
RandomEngine randomGenerator)
Deprecated. Efficiently computes a sorted random set of count elements from the interval [low,low+N-1]. |
static void |
RandomSampler.sample(long n,
long N,
int count,
long low,
long[] values,
int fromIndex,
RandomEngine randomGenerator)
Deprecated. Efficiently computes a sorted random set of count elements from the interval [low,low+N-1]. |
protected static void |
RandomSampler.sampleMethodA(long n,
long N,
int count,
long low,
long[] values,
int fromIndex,
RandomEngine randomGenerator)
Deprecated. Computes a sorted random set of count elements from the interval [low,low+N-1]. |
protected static void |
RandomSampler.sampleMethodD(long n,
long N,
int count,
long low,
long[] values,
int fromIndex,
RandomEngine randomGenerator)
Deprecated. Efficiently computes a sorted random set of count elements from the interval [low,low+N-1]. |
Constructors in org.apache.mahout.math.jet.random.sampling with parameters of type RandomEngine | |
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RandomSampler(long n,
long N,
long low,
RandomEngine randomGenerator)
Deprecated. Constructs a random sampler that computes and delivers sorted random sets in blocks. |
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RandomSamplingAssistant(long n,
long N,
RandomEngine randomGenerator)
Deprecated. Constructs a random sampler that samples n random elements from an input sequence of N elements. |
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WeightedRandomSampler(int weight,
RandomEngine randomGenerator)
Deprecated. Chooses exactly one random element from successive blocks of weight input elements each. |
Uses of RandomEngine in org.apache.mahout.math.jet.stat.quantile |
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Methods in org.apache.mahout.math.jet.stat.quantile with parameters of type RandomEngine | |
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static DoubleQuantileFinder |
QuantileFinderFactory.newDoubleQuantileFinder(boolean known_N,
long N,
double epsilon,
double delta,
int quantiles,
RandomEngine generator)
Deprecated. Returns a quantile finder that minimizes the amount of memory needed under the user provided constraints. |
Uses of RandomEngine in org.apache.mahout.math.matrix.doublealgo |
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Methods in org.apache.mahout.math.matrix.doublealgo with parameters of type RandomEngine | |
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static DoubleMatrix1D |
Statistic.viewSample(DoubleMatrix1D matrix,
double fraction,
RandomEngine randomGenerator)
Deprecated. Constructs and returns a sampling view with a size of round(matrix.size() * fraction). |
static DoubleMatrix2D |
Statistic.viewSample(DoubleMatrix2D matrix,
double rowFraction,
double columnFraction,
RandomEngine randomGenerator)
Deprecated. Constructs and returns a sampling view with round(matrix.rows() * rowFraction) rows and round(matrix.columns() * columnFraction) columns. |
static DoubleMatrix3D |
Statistic.viewSample(DoubleMatrix3D matrix,
double sliceFraction,
double rowFraction,
double columnFraction,
RandomEngine randomGenerator)
Deprecated. Constructs and returns a sampling view with round(matrix.slices() * sliceFraction) slices and round(matrix.rows() * rowFraction) rows and round(matrix.columns() * columnFraction) columns. |
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