(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.
Stochastic
Definition:
(a.) Conjectural; able to conjecture.
Example Sentences:
(1) We assumed that the sensory messages received at a given level are transformed by a stochastic process, called Alopex, in a way which maximizes responses in central feature analyzers.
(2) The capacity of granule-cell networks to separate overlapping patterns of activity on their inputs is adequate, with spatial variability in the secretion at synapses, but is improved if there is also temporal variability in the stochastic secretion at individual synapses, although this is at the expense of reliability in the network.
(3) The estimation of an expected number of the stochastic effects caused by the internal exposure to ionizing radiation from the administered radionuclides have been performed for the patients according to ICRP recommendations.
(4) Methods of analysis for some deterministic and stochastic variants of the integrate-to-threshold neural coding scheme are presented.
(5) A stochastic model is presented for the analysis of incomplete repeated-measures experiments.
(6) However, a region containing pixels that are perfectly synchronous on average would still yield a finite distribution of calculated Fourier coefficients due to the propagation of stochastic pixel noise into the calculated values.
(7) Stochastic analysis of the bleeding data confirmed that women on the high progestogen doses experienced fewer bleeding episodes than those on the low doses.
(8) A mutation from one state into another in such system ('bioids') involves an amplification of different 'kinds of information', as 'stochastic' (noise into dissipative structures), 'molecular' (autocatalysts), and 'stoichimetric' information.
(9) Estimators of the model parameters are defined under general exact and stochastic linear constraints.
(10) These ideas have been incorporated in a Monte Carlo computer program using Poisson statistics to treat the stochastic nature of the energy deposition processes and thereby determine the excitation and ionization states of the molecule.
(11) A comparison of experimental and simulated data indicated that most, but not all, of the fluctuation in the moving means was due to the stochastic variation inherent in the gating process.
(12) A stochastic process model developed to fit these data indicated the influence of both time-dependent and instantaneous components of IIF, presumed to be the result of seeding and heterogeneous nucleation, respectively.
(13) The mitochondrial data demonstrate that such excesses can be detected from genetic variation at a single locus as well, and this is not due to stochastic error of allele frequency distributions.
(14) An airjet perturbation device is attached to the wrist with a special cuff, and provides high-frequency stochastic perturbations in potentially three orthogonal directions.
(15) Random parameters in stochastic difference equations are autocorrelated stationary Gaussian processes in the first case.
(16) The effective dose-equivalent is being estimated for the evaluation of possible radiation risk by the carcinogenic and mutagenic effectiveness of radiation (stochastic radiation risk) with weighting factors.
(17) These findings indicate that for NOs of similar replicative competence, a stochastic mechanism governs the relative usage of each NO for endoreplication and that the relative activity of the two NOs is not stably determined through the mitotic divisions preceding polyploidization.
(18) A stochastic model was set up to investigate the predictions of current BMU theory.
(19) In the model, stochastic differential equations are numerically integrated to simulate the expected response after treatment with two different agents.
(20) It should always be kept in mind that a tree is a statistical result that is affected strongly by the stochastic error of nucleotide substitution and the error intrinsic to the tree construction method itself.