randomness$66717$ - Definition. Was ist randomness$66717$
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Was (wer) ist randomness$66717$ - definition

ANALYZING A SET OF DATA TO SEE IF IT CAN BE DESCRIBED AS RANDOM (PATTERNLESS)
Randomness tests; Tests of randomness; Test for randomness; Tests for randomness

Randomness test         
A randomness test (or test for randomness), in data evaluation, is a test used to analyze the distribution of a set of data to see if it can be described as random (patternless). In stochastic modeling, as in some computer simulations, the hoped-for randomness of potential input data can be verified, by a formal test for randomness, to show that the data are valid for use in simulation runs.
Statistical randomness         
QUALITY OF A NUMERICAL SEQUENCE OF HAVING NO RECOGNIZABLE PATTERNS
Local randomness; Statistically random
A numeric sequence is said to be statistically random when it contains no recognizable patterns or regularities; sequences such as the results of an ideal dice roll or the digits of π exhibit statistical randomness.Pi seems a good random number generator – but not always the best, Chad Boutin, Purdue University
random         
  • audio amplifier]] switches fast and seemingly ''at random''. However, this may follow a scheme which a human could only recognize after a scientific-style supervision.
  • In the [[Monty Hall problem]], when the host reveals one door that contains a goat, this provides new information that needs to be factored into the calculation of probabilities.
  • Ancient [[fresco]] of dice players in [[Pompei]]
  • pseudorandomly generated]] [[bitmap]].
  • The ball in a [[roulette]] can be used as a source of apparent randomness, because its behavior is very sensitive to the initial conditions.
APPARENT LACK OF PATTERN OR PREDICTABILITY IN EVENTS
Random data; Randomly; Ilogic; Random; By chance; Randomized; Duke Alexander Friedrich Karl of Württemberg; Randomicity; Non-randomness; Random chance; Non-random; Misconceptions about randomness
¦ adjective
1. made, done, or happening without method or conscious decision.
Brit. informal rather strange; odd.
2. Statistics governed by or involving equal chances for each item.
3. (of masonry) with stones of irregular size and shape.
Derivatives
randomization or randomisation noun
randomize or randomise verb
randomly adverb
randomness noun
Origin
ME (in the sense 'impetuous headlong rush'): from OFr. randon 'great speed', from randir 'gallop', from a Gmc root shared by rand2.

Wikipedia

Randomness test

A randomness test (or test for randomness), in data evaluation, is a test used to analyze the distribution of a set of data to see if it can be described as random (patternless). In stochastic modeling, as in some computer simulations, the hoped-for randomness of potential input data can be verified, by a formal test for randomness, to show that the data are valid for use in simulation runs. In some cases, data reveals an obvious non-random pattern, as with so-called "runs in the data" (such as expecting random 0–9 but finding "4 3 2 1 0 4 3 2 1..." and rarely going above 4). If a selected set of data fails the tests, then parameters can be changed or other randomized data can be used which does pass the tests for randomness.