## accuracy vs precision

accuracy precision

### Definitions

• 1) Exact conformity to truth, or to a rule or model; degree of conformity of a measure to a true or standard value.
• 2) The state of being accurate; freedom from mistakes, this exemption arising from carefulness; exactness; nicety; correctness
• 3) Conformity to fact.
• 4) The ability of a measurement to match the actual value of the quantity being measured.
• 5) Precision; exactness.
• 6) The state of being accurate; freedom from mistakes, this exemption arising from carefulness; exact conformity to truth, or to a rule or model; precision; exactness; nicety; correctness.
• 7) (mathematics) the number of significant figures given in a number
• 8) the quality of being near to the true value
• 9) The condition or quality of being accurate; extreme precision or exactness; exact conformity to truth, or to a rule or model; correctness: as, the value of testimony depends on its accuracy; copies of legal instruments should be taken with accuracy.
• 10) Synonyms Accurateness, exactness, exactitude, precision, carefulness, care, niceness, nicety.

### Definitions

• 1) the ability of a measurement to be reproduced consistently
• 2) mathematics the number of significant digits to which a value may be measured reliably
• 3) the state of being precise or exact; exactness
• 4) The ability of a measurement to be consistently reproduced.
• 5) The state or quality of being precise; exactness.
• 6) The number of significant digits to which a value has been reliably measured.
• 7) The quality or state of being precise; exact limitation; exactness; accuracy; strict conformity to a rule or a standard; definiteness.
• 8) the quality of being reproducible in amount or performance
• 9) The separation from anything of extrinsic elements.
• 10) The quality or state of being precise, exact, or definite as to form or meaning; distinctness; accuracy.
• 11) In logic: Freedom from inessential elements.
• 12) made, or characterized by accuracy
• 13) used for exact or precise measurement
• 14) Used or intended for accurate or exact measurement.
• 15) Made so as to vary minimally from a set standard.
• 16) Of or characterized by accurate action.

### Examples

• 1) He passes with speed and accuracy.
• 2) Expectations about the extent and accuracy of that information have also increased.
• 3) In the best of both worlds we get films of both quality and accuracy.
• 4) It was the only fire and accuracy shown by the home side all afternoon.
• 5) The claim contains historical information the accuracy of which continues to be assessed.
• 6) They were famed for the accuracy and speed of their information.
• 7) Drawings of very high quality and accuracy can be produced with plotters.
• 8) One for those with patience and a relaxed attitude towards historical accuracy.
• 9) Speed and accuracy in mental skills reach their high point around noon and ebb after lunch.
• 10) Historical accuracy can evidently be sacrificed for social engineering under the guise of education.
• 11) Drama cannot be judged solely by historical accuracy.
• 12) But it is worrying in the sense that it shakes investor confidence in the accuracy of trading information.
• 13) Credit unions cared a lot less about training than they did about the speed and accuracy of problem solving.
• 14) But factual accuracy doesn't guarantee a memorable character.
• 15) We lacked something I would call sharpness as well as quality and accuracy in the final pass.
• 16) They value accuracy at the Met Office.
• 17) Against the deadly accuracy of the snipers, the rebels displayed reckless courage - and massive firepower.
• 18) But the underlying problem of the entire Western economy is that banks do not know with any accuracy the value of the assets that they hold.
• 19) They then performed a sports commentary in complete unison, mimicking well-known sportsmen and commentators with deadly accuracy.
• 20) I can be sure of the accuracy of that measurement because she makes a (totally charming) point of telling me.
• 21) ‘However, these studies have not generally had enough participants to provide precise estimates of accuracy.’
• 22) ‘The Huntress notched arrow after arrow and hit each target with precise accuracy.’
• 23) ‘To our knowledge, ours is the first study to assess the popularity as well as the quality and accuracy of health related websites.’
• 24) ‘The Speaker cannot do that, or judge the quality or accuracy of an answer.’
• 25) ‘They can predict with considerable accuracy what those satellites can see, and when.’
• 26) ‘Where on the social ladder a person was born predicted, with depressing accuracy, where they would end up.’
• 27) ‘The book has been meticulously poured over for accuracy by Fourth Estate's own lawyers.’
• 28) ‘He gave a flawless performance inspiring confidence by his pinpoint accuracy.’
• 29) ‘I don't think that anyone can predict with any accuracy where the world is headed.’
• 30) ‘How will his accuracy and confidence be shaken after getting hit play after play?’
• 31) ‘We cannot know the mind of the creator with sufficient certainty to predict this with perfect accuracy.’
• 32) ‘In these cases, the likely outcomes can be predicted with some accuracy.’
• 33) ‘I received an email at the beginning of August from an astrologer which laid out this prediction with bone chilling accuracy.’
• 34) ‘Perhaps are some of us in touch with our psychic energy and able to use it to predict with accuracy?’
• 35) ‘At the upper end, there are a wide range of professional quality saws with power and accuracy to spare.’
• 36) ‘It is a critique that is appalling in its lack of quality, substance, and, indeed, accuracy.’
• 37) ‘What he has lost out on, however, is the pinpoint accuracy that used to be the defining quality of his bowling.’
• 38) ‘I can still see his slight frame darting past defenders and rifling over points with unerring ease and accuracy.’
• 39) ‘They used electric saws and did their duty with commendable accuracy.’
• 40) ‘It gives you that bit more freedom to not worry about consistency or accuracy and instead concentrate on getting something written.’
• 41) ‘The team is currently trying to improve the accuracy of these calculations, and to obtain similar accuracies for the intensity of the absorption lines.’
• 42) ‘How could we then measure time intervals with accuracies of better than one part in ten to the power thirteen?’
• 43) ‘Using several hours of measurements, accuracies of 5 mm can be achieved, and precisions of a few centimetres can be realized in seconds even for moving receivers (kinematic GPS) close to a fixed station.’
• 44) ‘Instrument manufacturers usually publish thermal-drift specifications, typically in terms of 90-day and one-year accuracies for a given temperature range.’
• 45) ‘By maximizing the inherent features of a GIS database, this approach maintains relative and absolute accuracies, without compromising any modeling or mapping requirements.’
• 46) ‘Estimated angles were correlated with measured angles, and accuracies in estimating angles were correlated with demographic characteristics.’
• 47) ‘We also considered the effect of k values on the accuracies of the three methods.’
• 48) ‘These initial values were chosen to reflect landing accuracies similar to those of Mars Pathfinder.’
• 49) ‘The error plots demonstrate that the attitude and velocity accuracies required can be maintained if the time interval of a GPS outage does not exceed 30 seconds.’
• 50) ‘But this, and other seemingly straightforward methods, while fine in principle, turn out to be unsatisfactory in practice, at least when accuracies of a small fraction of a degree are called for.’
• 51) ‘These degraded accuracies persisted for hours and were well beyond system tolerances specified for marine DGPS users.’
• 52) ‘The accuracies of colorimeters can vary significantly, depending on the spectra of the colors measured.’
• 53) ‘On many projects, said O'Mahony, the engineering team is left trying to fight science by being asked to achieve some unrealistic sensor or actuator accuracies.’
• 54) ‘This means that the absolute alignment accuracies of table 3 are probably overestimates.’
• 55) ‘Absolute positioning accuracies of better than 5 meters from 3-kilometer range have been demonstrated, which are adequate for targeting of today's and near-future weapons.’
• 56) ‘These accuracies met the USGS minimum requirement of 85% for land-use and land-cover classification of remotely sensed data.’
• 57) ‘These accuracies are comparable to currently fielded weapons today, and are based on analyses derived from sanctioned modeling and simulations to determine cost and operational effectiveness.’
• 58) ‘Mapping with GPS-collected accuracies is just not conducive to all business needs within a utility GIS.’
• 59) ‘We run simulations to compare the relative accuracies of our and previous methods.’
• 60) ‘Flame AAS techniques are the oldest methods, and they can measure parts-per-million element concentrations with accuracies in the 1-3% range.’

### Examples

• 1) He had to plan every move with the precision of a military operation.
• 2) Stovic's confidence was building, and Oden's precision was getting more remarkable.
• 3) Using Attributional Similarity to Solve Analogies  number of correct guesses precision = total number of guesses made  number of correct guesses recall = maximum possible number correct 2 x precision x recall  F = precision recall
• 4) The term precision is considered as a component of accuracy, related to the scale, resolution, and also to the generalization of datasets.
• 5) Our new foreign policy is what I call precision power.
• 6) Details very sketchy at this hour but U.S. officials confirming overnight there was what they call a precision missile strike against a target in southern Somalia near the border with Kenya, a target that they say was in an area where there were known terrorists, al Qaeda terrorists with affiliations.
• 7) Now, earlier today, the U.S. military launched what it calls a precision air strike.
• 8) The 53-second clip provides a rare look at how the U.S. uses what it calls precision air strikes in urban areas to support ground operations.
• 9) If you remember in the Gulf War, about 10 percent of our munitions were what we call precision-guided munitions; in Operations Allied Force about 90 percent of our munitions were guided munitions.
• 10) The cost to produce the bug, which he characterized as precision handwork within the knowledge and competence of a handful of men, he estimated at \$30,000 per unit.
• 11) AlCuMet makes what it calls precision castings out of aluminum and other alloys for the military, aerospace and other industries.
• 12) ‘But then I have these ridiculous plans that need to be executed with exact precision.’
• 13) ‘Their plan was put in place days before and was executed with military precision.’
• 14) ‘The same qualities of precision and rigour he showed in research were brought to his teaching but this did not mean that his lectures were complicated.’
• 15) ‘Arms full, they continue their run after the truck, and with accurate precision, fling the bags into the back of the truck.’
• 16) ‘A delicate touch with such precision in these conditions was merely another insight into the fine player Riordan promises to be.’
• 17) ‘Stewart's pained expression was frightening testament to the quality and precision of Hatton's work.’
• 18) ‘Some shots require extra precision or else they exact a severe penalty.’
• 19) ‘The pacing is speedy and the jokes come thick and fast; the screenwriters set up and pull off gags with exacting precision.’
• 20) ‘The precision and the quality of the data are the foundation for predictive tools, particularly on the selling side.’
• 21) ‘They also relied more on impulse than exact precision, which meant they were highly adaptive.’
• 22) ‘They rarely include memorable details or exact biographical or topographical precision.’
• 23) ‘Patrick Kennedy's collections had a more accurate style and greater precision.’
• 24) ‘There was no external law stating with precision the facts to which it applied.’
• 25) ‘The protest appears to have been organized with almost military precision.’
• 26) ‘The elimination of large flocks of birds was conducted with military precision to make sure that no trace of the virus was left behind.’
• 27) ‘The code must be clean, well organized and properly executed with precision and accuracy.’
• 28) ‘Henry's unsparing precision was the one quality that found no equal in the Roma ranks.’
• 29) ‘Timeliness in reporting is just as much a quality issue as are the accuracy and precision of testing.’
• 30) ‘It just looks like it might actually be fun to use, even though it is a precision instrument.’
• 31) ‘Bullet molds are precision instruments, and must be used and stored carefully.’
• 32) ‘Torque wrenches are precision instruments and need to treated and operated carefully.’
• 33) ‘Even so-called precision bombing is only as accurate as the intelligence that guides it.’
• 34) ‘The accident-prone insurance industry is at it again, falling flat on its face with the precision timing of slapstick comedy.’
• 35) ‘Clint Stoerner swings his arm, flexing the muscles which will have to deliver a precision pass in the face of extraordinary pressure.’
• 36) ‘It was Townsend who supplied a precision flick on to Cormac Mullins who saw his point blank shot saved by the Tullow keeper.’
• 37) ‘They would have had to smuggle in the precision machine tools necessary for new centrifuges.’
• 38) ‘By then, Cooke was established as a precision engineer of genius.’
• 39) ‘Meehan could only blast over from the left hand side of the box after Ferguson slid a precision pass through to him.’
• 40) ‘It took a team of three technicians to coordinate the lasers and rotate the accelerator, using lasers to guide it to a precision hit.’
• 41) ‘Careful craftsmanship goes into the precision manufacturing of each nozzle orifice.’
• 42) ‘Now even more airshow fans will be able to see the precision aerobatics.’
• 43) ‘The ability to take out precision targets in urban environments will be critical in future conflicts.’
• 44) ‘But there will always be the need for the precision tool, designed and prepared for a specific scenario.’
• 45) ‘You wouldn't know that beneath her stripy shirt lurk stomach muscles which appear to have been carved from ebony with precision tools.’
• 46) ‘The Greek archaeologist Manolis Korres has been working on the Acropolis for 25 years, devising diagrams in accordance with the precisions made by the architects of the Parthenon, Ietinus and Callicrates.’
• 47) ‘To check the measurement precision of our scatterometer, we conducted tests.’
• 48) ‘The sixteen digit strings were converted to floating point losing the last digit of precision so all numbers ended in zero.’
• 49) ‘Heisenberg also showed there is a similar uncertainty in the precision of energy measurements and how long one takes to do the measurement.’
• 50) ‘First of all, you can't ‘define’ any identity with any degree of precision.’
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