Probability

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

def U(start: Double = 0, end: Double = 1): Double

Common x~U(a,b)

final def asInstanceOf[T0]: T0

def clone(): AnyRef

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def gaussian(mean: Double = 0.0, std: Double = 1.0): Double

Box-Muller algorithm to get X~N(mean,var)

final def getClass(): Class[_]

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

val random: Random

def selectByProbability[T](data: Iterable[T], probabilityWeight: Iterable[Double]): T

def selectUniformly[T](data: IndexedSeq[T]): T

Select a data randomly from a set

def sphereUniform: IGeoPoint

Get point distribute on 2d-sphere uniformly

final def synchronized[T0](arg0: ⇒ T0): T0

def toString(): String

def uniform(mean: Double = 0.5, range: Double = 1.0): Double

Return uniformed value, x~U(mean-range/2,mean+range/2)

final def wait(arg0: Long, arg1: Int): Unit

final def wait(arg0: Long): Unit

final def wait(): Unit

def finalize(): Unit