WordNet

lacking predictability
unknown in advance; "an unpredictable (or indeterminable) future"
not capable of being foretold

PrepTutorEJDIC

予言できない,予知不可能な

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/08/26 06:42:06」(JST)

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Predictability is the degree to which a correct prediction or forecast of a system's state can be made either qualitatively or quantitatively.

Predictability in statistical physics

Although the second law of thermodynamics can tell us about the equilibrium state that a system will evolve to, and steady states in dissipative systems can sometimes be predicted, there exists no genum, e.g. chaotic systems, if they do not approach an equilibrium state. Their predictability usually deteriorates with time and to quantify predictability, the rate of divergence of system trajectories in phase space can be measured (Kolmogorov-Sinai entropy, Lyapunov exponents).

Predictability in mathematics

In stochastic analysis a random process is a predictable process if it is possible to know the "next" state at the present time.

Predictability in human–computer interaction

In the study of human–computer interaction, predictability is the property to forecast the consequences of a user action given the current state of the system.

Predictability in human sentence processing

Linguistic prediction is a phenomenon in psycholinguistics occurring whenever information about a word or other linguistic unit is activated before that unit is actually encountered. Evidence from eyetracking, event-related potentials, and other experimental methods indicates that in addition to integrating each subsequent word into the context formed by previously encountered words, language users may, under certain conditions, try to predict upcoming words. Predictability has been shown to affect both text and speech processing, as well as speech production. Further, predictability has been shown to have an effect on syntactic, semantic and pragmatic comprehension.

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English Journal

New computational methods in tsunami science.

Behrens J1, Dias F2.
Philosophical transactions. Series A, Mathematical, physical, and engineering sciences.Philos Trans A Math Phys Eng Sci.2015 Oct 28;373(2053). pii: 20140382.
Tsunamis are rare events with severe consequences. This generates a high demand on accurate simulation results for planning and risk assessment purposes because of the low availability of actual data from historic events. On the other hand, validation of simulation tools becomes very difficult with
PMID 26392612

Profiles of Food Security for US Farmworker Households and Factors Related to Dynamic of Change.

Ip EH1, Saldana S1, Arcury TA1, Grzywacz JG1, Trejo G1, Quandt SA1.
American journal of public health.Am J Public Health.2015 Oct;105(10):e42-7. doi: 10.2105/AJPH.2015.302752. Epub 2015 Aug 13.
OBJECTIVES: We recruited 248 farmworker families with preschool-aged children in North Carolina and examined food security indicators over 24 months to identify food security patterns and examine the dynamic of change over time.METHODS: Participants in the Niños Sanos study, conducted 2011 to 2014,
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Parents' experiences of living with a child with hydrocephalus: a cross-sectional interview-based study.

Smith J1, Cheater F2, Bekker H3.
Health expectations : an international journal of public participation in health care and health policy.Health Expect.2015 Oct;18(5):1709-1720. doi: 10.1111/hex.12164. Epub 2013 Dec 17.
BACKGROUND: Shunts, the main treatment for hydrocephalus, are problematic because they frequently malfunction. Detecting shunt malfunction is challenging because symptoms are similar to those of common childhood illnesses, particularly viral infections. Parents are responsible for identifying shunt
PMID 24341375