stochastic(redirected from Stochastical)
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1. Of, relating to, or characterized by conjecture; conjectural.
2. Statistics Involving or containing a random variable or process: stochastic calculus; a stochastic simulation.
[Greek stokhastikos, from stokhastēs, diviner, from stokhazesthai, to guess at, from stokhos, aim, goal; see stegh- in the Appendix of Indo-European roots.]
1. (Statistics) statistics
a. (of a random variable) having a probability distribution, usually with finite variance
b. (of a process) involving a random variable the successive values of which are not independent
c. (of a matrix) square with non-negative elements that add to unity in each row
2. rare involving conjecture
[C17: from Greek stokhastikos capable of guessing, from stokhazesthai to aim at, conjecture, from stokhos a target]
of or pertaining to a process involving a randomly determined sequence of observations each of which is considered as a sample of one element from a probability distribution.
[1655–65; < Greek stochastikós proceeding by conjecture =stochas(tḗs) diviner (stochad-, base of stocházesthai to aim at + -tēs agent suffix) + -ikos -ic]
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|Adj.||1.||stochastic - being or having a random variable; "a stochastic variable"; "stochastic processes"|
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
random - lacking any definite plan or order or purpose; governed by or depending on chance; "a random choice"; "bombs fell at random"; "random movements"