| SPS | scapuloperoneal syndrome; shoulder pain and stiffness; simple partial seizures; slow-progressive sch... |
|---|---|
| 'Greek letter alpha' | angular acceleration; first [carbon atom next to the carbon atom bearing the active group in organic... |
| 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; ... |
| NTCP | Normal Tissue Complication Probability |
|---|---|
| P | Probability |
| probability density function | |
| Ps | Probability of Survival |
| SPRT | Sequential Probability Ratio Test |
| probability sample | Each individual in the sample has a known, generally equal, chance of being selected. (05 Mar 2000) |
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| Rahn-Otis sample | An approximation of alveolar gas continuously provided by a simple device that admits just the latter part of each expiration. (05 Mar 2000) |
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| random sample | A group selected randomly, solely by chance. (12 Dec 1998) |
| Haldane-Priestley sample | <physiology> An approximation of alveolar gas obtained from the end of a sudden maximal expiration into a Haldane tube. (05 Mar 2000) |
| sample | 1. A specimen of a whole entity small enough to involve no threat or damage to the whole; an aliquot. 2. A selected subset of a population; a sample may be random or nonrandom (haphazard); representative or nonrepresentative. Origin: M.E. Ensample, fr. L. Exemplum, example (05 Mar 2000) |
| sample, random | A group selected randomly, solely by chance. (12 Dec 1998) |
| sample size | The number of units (persons, animals, patients, specified circumstances, etc.) in a population to be studied. The sample size should be big enough to have a high likelihood of detecting a true difference between two groups. (12 Dec 1998) |
| stratified sample | A subset of a total population, defined by some objective criterion such as age or occupation, is sampled. (05 Mar 2000) |
| end-tidal sample | A sample of the last gas expired in a normal expiration, ideally consisting only of alveolar gas. (05 Mar 2000) |
| 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) |
| 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) |
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