What's the difference between drift and random?

Drift


Definition:

  • (n.) A driving; a violent movement.
  • (n.) The act or motion of drifting; the force which impels or drives; an overpowering influence or impulse.
  • (n.) Course or direction along which anything is driven; setting.
  • (n.) The tendency of an act, argument, course of conduct, or the like; object aimed at or intended; intention; hence, also, import or meaning of a sentence or discourse; aim.
  • (n.) That which is driven, forced, or urged along
  • (n.) Anything driven at random.
  • (n.) A mass of matter which has been driven or forced onward together in a body, or thrown together in a heap, etc., esp. by wind or water; as, a drift of snow, of ice, of sand, and the like.
  • (n.) A drove or flock, as of cattle, sheep, birds.
  • (n.) The horizontal thrust or pressure of an arch or vault upon the abutments.
  • (n.) A collection of loose earth and rocks, or boulders, which have been distributed over large portions of the earth's surface, especially in latitudes north of forty degrees, by the agency of ice.
  • (n.) In South Africa, a ford in a river.
  • (n.) A slightly tapered tool of steel for enlarging or shaping a hole in metal, by being forced or driven into or through it; a broach.
  • (n.) A tool used in driving down compactly the composition contained in a rocket, or like firework.
  • (n.) A deviation from the line of fire, peculiar to oblong projectiles.
  • (n.) A passage driven or cut between shaft and shaft; a driftway; a small subterranean gallery; an adit or tunnel.
  • (n.) The distance through which a current flows in a given time.
  • (n.) The angle which the line of a ship's motion makes with the meridian, in drifting.
  • (n.) The distance to which a vessel is carried off from her desired course by the wind, currents, or other causes.
  • (n.) The place in a deep-waisted vessel where the sheer is raised and the rail is cut off, and usually terminated with a scroll, or driftpiece.
  • (n.) The distance between the two blocks of a tackle.
  • (n.) The difference between the size of a bolt and the hole into which it is driven, or between the circumference of a hoop and that of the mast on which it is to be driven.
  • (v. i.) To float or be driven along by, or as by, a current of water or air; as, the ship drifted astern; a raft drifted ashore; the balloon drifts slowly east.
  • (v. i.) To accumulate in heaps by the force of wind; to be driven into heaps; as, snow or sand drifts.
  • (v. i.) to make a drift; to examine a vein or ledge for the purpose of ascertaining the presence of metals or ores; to follow a vein; to prospect.
  • (v. t.) To drive or carry, as currents do a floating body.
  • (v. t.) To drive into heaps; as, a current of wind drifts snow or sand.
  • (v. t.) To enlarge or shape, as a hole, with a drift.
  • (a.) That causes drifting or that is drifted; movable by wind or currents; as, drift currents; drift ice; drift mud.

Example Sentences:

  • (1) Electromagnetic flow probes with an inner diameter of 2, 1.5 and 1 nm were used for studies on zero-line drifting and for calibration procedures in a series of rats and rabbits.
  • (2) It is microcomputer-based, and more easily set up and administered than the drifting-text procedure.
  • (3) The signals were processed digitally using three different algorithms: 1) simple linear regression (LR); 2) linear regression with drift correction achieved by adding to, or subtracting from the plethysmographic signal a term proportional to time (LRC); 3) Fourier analysis (FFT).
  • (4) Abducting saccades, which were slightly hypometric, displayed a marked postsaccadic centripetal drift.
  • (5) With these stringent criteria the rejection rate was 71.0% for group A records, 58.5% for group B and 44.5% for group C. The proportions of records with peak quality (no missing leads or clipping, and grade 1 noise, lead drift or beat-to-beat drift) were 4.5% for group A, 5.5% for group B and 23.0% for group C. Suggested revisions in the grading of technical quality of ECGs are presented.
  • (6) However, there is no certainty that both of Ainu and the people in Ueno derived from the same origin, or that genetic drift due to endogamy in this village took place.
  • (7) Efforts to obtain long term, reliable direct measurements of blood pressures have not been successful because of blood clotting impairing the function of sensors, baseline drift, artifacts on measurements, and health hazard-related catheterization.
  • (8) downward occupational and downward social drift, premature retirement and achievement of the expected social development.
  • (9) Both sides agree that antigenic diversity is advantageous although selectionists see benefits in individual mutations whereas the proponents of random genetic drift see the advantage in the parasite's capacity to tolerate diversity per se.
  • (10) Acuity for the direction of drift for these stimuli is of the same order of precision as orientation acuity for static or drifting gratings, and exhibits a meridional anisotropy that favours the principal meridians.
  • (11) The most parsimonious explanation of this result is that much genetic drift accompanied the establishment of local populations in cities and that there has been little subsequent gene flow.
  • (12) In contrast, in women, time period effects were a significant improvement on drift for melanoma of the trunk and lower extremity.
  • (13) We examined the effect of ethylene glycol (EG) concentration, in water, on O2 sensitivity, stirring effect, in vitro drift, in vitro response time, behaviour on the skin of newborn infants and in vivo response time.
  • (14) When inflation was allowed to drift from 2% to 4% in the 1970s, inflation expectations became unanchored altogether, and price growth far exceeded 4%.
  • (15) Diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy was used to characterize the product of each step in the preparation of a silica-immobilized N-hydroxysuccinimide (NHS) active ester.
  • (16) She had attitude to burn, though, while the Bristol crew were content to drift, their work rate informed by the slow pace of their native city and by what might be called the spliff consciousness that determined not just the bass-heavy pulse of their music but the worldview of their lyrics, which often tended towards the insular and the paranoid.
  • (17) Let’s make sure it’s not on the usual plane of politics and point-scoring and pettiness that drifts away in the next news cycle.
  • (18) The ABO and Rh systems of the population in 26 residential units in the province of Ferrara were studied to detect the effect of genetic drift on the differentiation of gene frequencies.
  • (19) After the army, Page drifted between jobs and played in white power bands.
  • (20) Evidence of genetic drift of serologic types and of some increase in the prevalence of erythromycin-resistant strains has appeared.

Random


Definition:

  • (n.) Force; violence.
  • (n.) A roving motion; course without definite direction; want of direction, rule, or method; hazard; chance; -- commonly used in the phrase at random, that is, without a settled point of direction; at hazard.
  • (n.) Distance to which a missile is cast; range; reach; as, the random of a rifle ball.
  • (n.) The direction of a rake-vein.
  • (a.) Going at random or by chance; done or made at hazard, or without settled direction, aim, or purpose; hazarded without previous calculation; left to chance; haphazard; as, a random guess.

Example Sentences:

  • (1) Multiple stored energy levels were randomly tested and the percent successful defibrillation was plotted against the stored energy, and the raw data were fit by logistic regression.
  • (2) Twenty-seven patients were randomized to receive either 50 mg stanozolol or placebo intramuscularly 24 h before operation, followed by a 6 week course of either 5 mg stanozolol or placebo orally, twice daily.
  • (3) The effects of sessions, individual characteristics, group behavior, sedative medications, and pharmacological anticipation, on simple visual and auditory reaction time were evaluated with a randomized block design.
  • (4) We have addressed the effect of late intensification with autologous bone marrow transplantation on SCLC through a randomized clinical trial.
  • (5) However, survival was closely related to the severity of the illness at the time of randomization and was not altered by shunting.
  • (6) Statistically significant differences were found mainly in the randomized trial, where during the first and second years, respectively, adenoidectomy subjects had 47% and 37% less time with otitis media than control subjects and 28% and 35% fewer suppurative (acute) episodes than control subjects.
  • (7) In a random sample of 1,000 neonates from a Delhi Hospital the incidence of jaundice was 53% and of hyperbilirubinaemia (HB) 6%.
  • (8) Febrile reactions were not distributed randomly among the patients; those with respiratory tract infection experienced more febrile reactions during periods with infection than during periods without.
  • (9) Five days later, the animals were randomly assigned to one of four treatment groups: Group 1 received intracranial implantation of controlled-release polymers containing dexamethasone; Group 2 received intraperitoneal implantation of controlled-release polymers containing dexamethasone; Group 3 received serial intraperitoneal injections of dexamethasone; and Group 4 received sham treatment.
  • (10) In a randomized double-blind study, 40 patients with coronary heart disease received intravenously either 0.025 mg nitroglycerin or placebo.
  • (11) A prospective randomized trial was conducted at Srinagarind and Khon Kaen hospitals.
  • (12) Quantitative measurements of image contrast were carried out for B-mode images of anechoic spheres (cysts) embedded in a random scattering medium.
  • (13) The distribution of the amino acid pairs, i, i + 1 in alpha-helical configurations does not differ from the random pairing.
  • (14) The authors studied 84 randomly selected participants who live in retirement communities to discover factors leading to successful completion of a wellness enhancing program.
  • (15) In 290 patients with untreated carcinoma of the bladder the deoxyribonucleic acid properties, as measured by flow cytometry, of 3 random mucosal biopsies were studied and compared to those of the exophytic tumors.
  • (16) A prospective randomized trial involving 64 patients with bleeding peptic ulcers was performed to assess the efficacy of two modalities of injection therapy.
  • (17) The relationship between technique of obtaining Papanicolaou smears, presence of endocervical cells, and rate of cervical neoplasia was studied by comparing an endocervical and ectocervical nylon brush (Bayne brush), Ayre spatula plus endocervical brush, and spatula plus cotton-tipped swab in a randomized, prospective trial involving 11,061 patients.
  • (18) One hundred and sixteen patients with advanced and metastatic adenocarcinoma of the pancreas were randomized to treatment with combined Streptozotocin and 5-fluorouracil or combined Streptozotocin and cyclophosphamide.
  • (19) The government has blamed a clumsily worded press release for the furore, denying there would be random checks of the public.
  • (20) The haemodynamics and affecting factors of the acute random skin flap and the methods for monitoring its viability were studied.