breeze/breeze.stats.distributions/RandBasis

RandBasis

class RandBasis(val generator: RandomGenerator) extends Serializable

Provides standard combinators and such to use to compose new Rands.

Companion
object
trait Serializable
class Object
trait Matchable
class Any
object Rand

Value members

Concrete methods

def always[T](t: T): Rand[T]

The trivial random generator: always returns the argument

The trivial random generator: always returns the argument

def choose[T](c: Iterable[T]): Rand[T]

Chooses an element from a collection.

Chooses an element from a collection.

def choose[T](c: Seq[T]): Rand[T]
def fromBody[T](f: => T): Rand[T]

Simply reevaluate the body every time get is called

Simply reevaluate the body every time get is called

def gaussian(m: Double, s: Double): Rand[Double]

Samples a gaussian with m mean and s std

Samples a gaussian with m mean and s std

def permutation(n: Int): Rand[IndexedSeq[Int]]

Implements the Knuth shuffle of numbers from 0 to n.

Implements the Knuth shuffle of numbers from 0 to n.

def promote[U](col: Seq[Rand[U]]): Rand[Seq[U]]

Convert an Seq of Rand[T] into a Rand[Seq[T]]

Convert an Seq of Rand[T] into a Rand[Seq[T]]

def promote[T1, T2](t: (Rand[T1], Rand[T2])): Rand[(T1, T2)]
def promote[T1, T2, T3](t: (Rand[T1], Rand[T2], Rand[T3])): Rand[(T1, T2, T3)]
def promote[T1, T2, T3, T4](t: (Rand[T1], Rand[T2], Rand[T3], Rand[T4])): Rand[(T1, T2, T3, T4)]
def randInt(n: Int): Rand[Int]

Uniformly samples an integer in [0,n)

Uniformly samples an integer in [0,n)

def randInt(n: Int, m: Int): Rand[Int]

Uniformly samples an integer in [n,m)

Uniformly samples an integer in [n,m)

def randLong(n: Long): Rand[Long]

Uniformly samples a long integer in [0,n)

Uniformly samples a long integer in [0,n)

def randLong(n: Long, m: Long): Rand[Long]

Uniformly samples a long integer in [n,m)

Uniformly samples a long integer in [n,m)

def subsetsOfSize[T](set: IndexedSeq[T], n: Int): Rand[IndexedSeq[T]]

Knuth shuffle of a subset of size n from a set

Knuth shuffle of a subset of size n from a set

Concrete fields

val gaussian: Rand[Double]

Samples a gaussian with 0 mean and 1 std

Samples a gaussian with 0 mean and 1 std

val generator: RandomGenerator
val randInt: Rand[Int]

Uniformly samples an integer in [0,MAX_INT]

Uniformly samples an integer in [0,MAX_INT]

val randLong: Rand[Long]

Uniformly samples a long integer in [0,MAX_LONG]

Uniformly samples a long integer in [0,MAX_LONG]

val uniform: Rand[Double]

Uniformly samples in [0,1]

Uniformly samples in [0,1]