| 'Greek letter alpha' | angular acceleration; first [carbon atom next to the carbon atom bearing the active group in organic... |
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| beta [Greek letter beta] | an anomer of a carbohydrate; buffer capacity; carbon separated from a carboxyl by one other carbon i... |
| CPF | clot-promoting factor; complication probability factor; contraction peak force; current patient file... |
| CPS | carbamoylphosphate synthetase; cardioplegic perfusion solution; centipoise; cervical pain syndrome; ... |
| EPSEM | equal probability of selection method |
| NTCP | Normal Tissue Complication Probability |
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| P | Probability |
| probability density function | |
| Ps | Probability of Survival |
| SPRT | Sequential Probability Ratio Test |
| personal probability | An idiosyncratic judgment about the outcome of an event; it may include evidence too subtle to be disposed of in a subjective probability. (05 Mar 2000) |
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| conditional probability | A probability quoted when the range of choices admitted is restricted, i.e., conditional; thus, the probability of the child of a colour-blind man inheriting the gene is 1/2 if the child is female and almost zero if the child is male. (05 Mar 2000) |
| positional probability | <chemistry> A type of probability that depends on the number of arrangements in space that yield a particular state. (09 Jan 1998) |
| posterior probability | The best rational assessment of the probability of an outcome on the basis of established knowledge modified and brought up to date. Compare: Bayes theorem. (05 Mar 2000) |
| prior probability | The best rational assessment of the probability of an outcome on the basis of established knowledge before the present information is included. For instance, the prior probability of the daughter of a carrier of haemophilia being herself haemophiliac is 1/2. But if she already has one child, an affected son, the posterior probability that she is a carrier is unity, whereas if she has one child, a normal one, the posterior probability that she is a carrier is 1/3. See: Bayes theorem. (05 Mar 2000) |
| probability | Origin: L. Probabilitas: cf. F. Probabilite. 1. The quality or state of being probable; appearance of reality or truth; reasonable ground of presumption; likelihood. "Probability is the appearance of the agreement or disagreement of two ideas, by the intervention of proofs whose connection is not constant, but appears for the most part to be so." (Locke) 2. That which is or appears probable; anything that has the appearance of reality or truth. "The whole life of man is a perpetual comparison of evidence and balancing of probabilities." (Buckminster) "We do not call for evidence till antecedent probabilities fail." (J. H. Newman) 3. <mathematics> Likelihood of the occurrence of any event in the doctrine of chances, or the ratio of the number of favorable chances to the whole number of chances, favorable and unfavorable. See 1st Chance. Synonym: Likeliness, credibleness, likelihood, chance. Source: Websters Dictionary (01 Mar 1998) |
| probability curve | A graph of the gaussian (normal) distribution representing relative probabilities. (05 Mar 2000) |
| probability learning | Usually refers to the use of mathematical models in the prediction of learning to perform tasks based on the theory of probability applied to responses; it may also refer to the frequency of occurrence of the responses observed in the particular study. (12 Dec 1998) |
| probability sample | Each individual in the sample has a known, generally equal, chance of being selected. (05 Mar 2000) |
| probability theory | The branch of mathematics dealing with the purely logical properties of probability. Its theorems underlie most statistical methods. (12 Dec 1998) |
| subjective probability | A fair statement of the odds that a rational, well-informed person would give or take for the outcome of an experiment. The experiment may be unique and not rationally understood (precluding both theoretically sound predication and empirical experience). The formulation is applicable to experiments that have been carried out but the outcome unknown. (For instance, a certain statement about the sex of the foetus early in pregnancy is established but perhaps not accessible until amniocentesis can be done.) Unlike personal probably, the subjective probability should be the same from all competent counselors in possession of the same evidence. (05 Mar 2000) |
| objective probability | A probability of an outcome based either on unassailable theory or extensive empirical experience of exactly the same combination of circumstances; the notion also implies that the realization concerned has not been effected and therefore even in principle not known with certainty. (05 Mar 2000) |
| transition probability model | A model to account for the apparently random variation in cell cycle time between individual animal tissue cells in culture that postulates that transition from G1 to s phase is probabilistic. Contrasts with hypotheses that require the accumulation of critical levels of particular proteins. (18 Nov 1997) |
| joint probability | The probability that two or more outcomes are realised jointly; the probability that the child is both male and affected is 1/4. (05 Mar 2000) |
| age distribution | The frequency of different ages or age groups in a given population. The distribution may refer to either how many or what proportion of the group. The population is usually patients with a specific disease but the concept is not restricted to humans and is not restricted to medicine. (12 Dec 1998) |
| probability distribution |
A probability distribution Pr{} on a sample space S is a mapping from events of S to real numbers such that the following probability axioms are satisfied: Pr ≥ 0 for any event A. Pr = 1. Pr{A ∪ B} = Pr + Pr for any two mutually exclusive events A and B. (See page 1101)
Ãâó: highered.mcgraw-hill.com/sites/0070131511/student_...
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| probability distribution |
The mathematical description of a random variable in terms of its admissible values and the probability associated, in an appropriate sense, with each value. The probability distribution of a continuous variate is defined by stating the mathematical equation of the distribution function F(x) or the probability density function f(x) (if it exists) together with the range over which the equation holds. ...
Ãâó: amsglossary.allenpress.com/glossary/browse
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| probability distribution |
A specification of the probabilities for each possible value of a random variable.
Ãâó: www-personal.umich.edu/~alandear/glossary/p.html
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| probability distribution |
A distribution of a variable that expresses the probability that particular attributes or ranges of attributes will be, or have been observed.
Ãâó: www.ojp.usdoj.gov/BJA/evaluation/glossary/glossary...
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| probability distribution |
The function that gives the probabilities that a variable equals each of a sequence of possible values. Examples include the binomial, chi square, normal and Poisson distributions.
Ãâó: www.sahealthinfo.org/evidence/p.htm
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