Rand Randomisation

Random

Meanings and phrases

random

Pronunciation American British Australian Indian
adj.
  1. lacking any definite plan or order or purpose; governed by or depending on chance

at random

Pronunciation American British Australian Indian
adv.
  1. in a random manner; randomly; indiscriminately; haphazardly; willy-nilly; arbitrarily; every which way

random access memory

Pronunciation American British Australian Indian
n.
  1. the most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible; random-access memory; random memory; RAM; read/write memory

random memory

Pronunciation American British Australian Indian
n.
  1. the most common computer memory which can be used by programs to perform necessary tasks while the computer is on; an integrated circuit memory chip allows information to be stored or accessed in any order and all storage locations are equally accessible; random-access memory; random access memory; RAM; read/write memory

random number generator

Pronunciation American British Australian Indian
n.
  1. a routine designed to yield a random number
E.g.
  • Many solvers internally use a random number generator.
  • Random number games are based upon the selection of random numbers, either from a computerized random number generator or from other gaming equipment.
  • Diceware Diceware is a method for creating passphrases, passwords, and other cryptographic variables using ordinary dice as a hardware random number generator.

random sample

Pronunciation American British Australian Indian
n.
  1. a sample in which every element in the population has an equal chance of being selected
  2. a sample grabbed at random
E.g.
  • Such surveys do not result in a random sample because participants are a self-selected group.
  • Suppose that a study of a random sample of people includes exactly two people with a birthday of August 7: Mary and John.
  • In many cases, a carefully chosen random sample can provide more accurate information than attempts to get a population census.

random sampling

Pronunciation American British Australian Indian
n.
  1. the selection of a random sample; each element of the population has an equal chance of been selected

random variable

Pronunciation American British Australian Indian
n.
  1. a variable quantity that is random; variate; variant; stochastic variable; chance variable
E.g.
  • A random variable "F" is distributed on formula_1.
  • Let formula_27 denote a Cauchy distributed random variable.
  • The random variable E(|"Z"| | "X") is the best predictor of |"Z"| given "X".

random walk

Pronunciation American British Australian Indian
n.
  1. a stochastic process consisting of a sequence of changes each of whose characteristics (as magnitude or direction) is determined by chance
E.g.
  • Also known as "random walk" or "drunkard's walk".
  • The Brownian motion can be modeled by a random walk.
  • Unlike the random walk, it is scale invariant.

random variables

Pronunciation American British Australian Indian
E.g.
  • If treating several random variables formula_13 etc.
  • random variables, based on some underlying distributional form.
  • Let formula_3 be random variables.

random number

Pronunciation American British Australian Indian
E.g.
  • Many solvers internally use a random number generator.
  • There are proposals for adding strong random number generation to PHP.
  • Transfers between statuses are modelled based on random parameters (generating a random number).

random access

Pronunciation American British Australian Indian
E.g.
  • Relative files also allow for both sequential and random access.
  • It can also be used as dielectric in resistive random access memories.
  • All semiconductor memory, not just RAM, has the property of random access.

random numbers

Pronunciation American British Australian Indian
E.g.
  • They are used for generating random numbers and are commonly used in tabletop games.
  • Dice can be used to generate random numbers for use in passwords and cryptography applications.
  • 'ACE' also references the fact that instead of dice, cards can be used to generate random numbers.

chosen at random

Pronunciation American British Australian Indian
E.g.
  • The order of rule application is chosen at random.
  • The participants were not chosen at random.
  • Match-ups are chosen at random.

seemingly random

Pronunciation American British Australian Indian
E.g.
  • Virgil is puzzled by Raina's seemingly random attacks and seeks an explanation for her actions.
  • An investigation of Galen's ship yields no results other than a series of seemingly random number blocks.
  • They consist of upright stones that are assembled together either in geometric patterns or seemingly random configurations.

random draw

Pronunciation American British Australian Indian
E.g.
  • Tournament participants are matched up by random draw.
  • The pairings for each round were determined by a random draw.
  • play against two of the remaining 8 senior clubs in a random draw.

independent random

Pronunciation American British Australian Indian
E.g.
  • One such approach begins with an infinite sequence of independent random variables , ..., drawn from the uniform distribution on [0, 1].
  • The condition that it has independent increments means that if formula_43 then formula_44 and formula_45 are independent random variables.
  • Job processing times are independent random variables with a general distribution with mean formula_4 with mean formula_5 for job formula_6.
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