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About: Stochastic drift     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:StochasticProcess113561896, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:WikicatStochasticProcessesyago:Abstraction100002137yago:Cognition100023271yago:Concept105835747yago:Content105809192yago:Hypothesis105888929yago:Idea105833840yago:Model105890249yago:PsychologicalFeature100023100yago:StochasticProcess113561896 New Facet based on Instances of this Class

In probability theory, stochastic drift is the change of the average value of a stochastic (random) process. A related concept is the drift rate, which is the rate at which the average changes. For example, a process that counts the number of heads in a series of fair coin tosses has a drift rate of 1/2 per toss. This is in contrast to the random fluctuations about this average value. The stochastic mean of that coin-toss process is 1/2 and the drift rate of the stochastic mean is 0, assuming 1 = heads and 0 = tails.