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Related to false-positive rate: False Negative Rate, false positive error


Value, measure, or degree; a charge, payment, or price determined through the application of a mathematical formula or based upon a scale or standard.

For example, an interest rate is determined by the ratio between the principal and interest.

Rate is also used synonymously with tax.


noun amount, assessment, charge, cost, expense, fare, fee, hire, magno, obligation, pace, parvo emere, price, quotation, standard, tempo, valuation, value, velocity, worth
Associated concepts: legal rate of interest, rate of exchange


verb aestimare, appraise, apprize, assess, class, classify, compute, determine, esteem, estimate, evaluate, figure, fix the price of, gauge, grade, judge, measure, merit, price, quantify, rank, reckon, set a value on, tag, value, weigh
See also: amount, appraise, arrange, assess, assessment, calculate, caliber, charge, classify, cost, criticize, differential, duty, earnings, estimate, evaluate, expense, face amount, frequency, gauge, inveigh, levy, measure, organize, par, pigeonhole, price, quality, rebuke, reprehend, sum, tax, worth

RATE. A public valuation or assessment of every man's estate; or the ascertaining how much tax every one shall pay. Vide Pow. Mortg. Index, h.t.; Harr. Dig. h.t.; 1 Hopk. C. R. 87.

References in periodicals archive ?
However, the high-risk populations used in most studies of cfDNA testing to date are not representative of the normal pregnancy population, and thus they have not provided good statistical samples for the purpose of analyzing false-positive rates.
8%, combined with the significantly and substantively lower false-positive rates with cell-free DNA screening than with standard screening, augur well for pregnant women and their fetuses" (N.
Although the false-positive rate has been historically cited as being approximately 1% in lung FNA, (19) the rate of false-positive response due to granulomatous inflammation is 14.
Reduction of the false-positive rate in newborn screening by implementation of MS/MS-based second-tier tests: the Mayo Clinic experience (2004-2007).
The model came up with a false-positive rate as high as 27 percent.
On the other hand, previous data suggest that saline infusion hydrosonography has a sensitivity of 93%100% for predicting focal lesions, with a false-positive rate of just 4%-15%, Dr.
Figure 1 shows that four quantitative characteristics [sensitivity (Se), specificity (Sp), positive predictive value (PPV), and negative predictive value (NPV)] are defined by two properties of the screening method (the false-positive rate, or, and the false-negative rate, [3) and by a property of the danger being assessed, the frequency of true hazards, P[H], where H is a true hazard.
For trisomy 18, combined screening of the entire population had a 91% detection rate with a 2% false-positive rate.
Because of the unacceptably high false-positive rates for benzodiazepine screening using the Multigent reagents and the significant increase in toxicology workload and costs, the VA Boston Healthcare System elected to switch to the Abbott/SYVA reagents for benzodiazepine screening in August 2007.
Berlin would like them to also provide typical false-negative and false-positive rates, the costliness and potential dangers of follow-up testing, and how frequently people need to be scanned to catch diseases as they develop.
NEW YORK -- First-trimester screening using a combination of dried blood biochemistries and ultrasound examination of fetal nuchal translucency detected 93% of Down syndrome cases with a false-positive rate of 5% in a prospective study of 14,779 pregnancies, David A.
However, when the tests were combined, the detection rate rose to 31% with a 5% false-positive rate, the study showed.