(n.) A function involving the coefficients and the variables of a quantic, and such that when the quantic is lineally transformed the same function of the new variables and coefficients shall be equal to the old function multiplied by a factor. An invariant is a like function involving only the coefficients of the quantic.
Example Sentences:
(1) The difference in HDL and HDL2 cholesterol concentrations between the MI+ and MI- groups or between the MI+ and CHD- groups persisted after adjustment by analysis of covariance for the effect of physical activity, alcohol intake, obesity, duration of diabetes, and glycemic control.
(2) We studied the effects of the localisation and size of ischemic brain infarcts and the influence of potential covariates (gender, age, time since infarction, physical handicap, cognitive impairment, aphasia, cortical atrophy and ventricular size) on 'post-stroke depression'.
(3) The multiple logistic model, the most commonly used model for the analysis of coronary heart disease studies, does not consider survival time in assessment of the dependent covariates and does not account for the censoring which usually occurs in such studies.
(4) However, two methodologic factors might account for the covariation of these 'schizophrenia spectrum' personality traits and measures of brain function.
(5) With baseline measures and body mass index controlled for, analyses of covariance showed that adults had greater systolic blood pressure responses than did children; men had greater blood pressure responses to all stressors than did women; and high school boys had greater systolic blood pressure responses than did high school girls.
(6) Analysis of covariance of the Test III means (Test II as covariate) yielded significant (p less than .05)F-ratios for Vo2max and R at Vo2max.
(7) Second, the commonly drawn analogy between blocking in randomized trials and matching in cohort studies is misleading when one considers the impact of matching on covariate distributions.
(8) When rates were covaried for prior violent crime arrests, White House Case subjects with prior arrests had a significantly higher rate of total posthospitalization violent crime arrests than the matched control sample.
(9) Genetic parameters were estimated from sire components of variance and covariance obtained from a multiple-trait restricted maximum likelihood procedure.
(10) The covariates included in the analysis were age, gender, socioeconomic status, and primary language.
(11) Inhibitory ability covaried with victim maturity, and with months spent in a treatment program.
(12) An error and covariances analysis shows that the method is robust and accurate enough for autonomous navigation.
(13) The comparability of therapeutic effect was also evident within the subset of 81 patients who had adenocarcinoma cell type, although MACC showed a small advantage in survival after covariate analysis.
(14) This methodology was used to evaluate possible kinetic isotope effects after the coadministration of an equimolar mixture of ibuprofen and the deuterium-labeled covariant in the beagle.
(15) Using an analysis of covariance to have statistical control on age, occupational level and depression, the results were statistically significant on the 0.05 level.
(16) Analysis of covariance revealed that the onset of the first ME occurred earlier in Day 10 litters than in Day 4 litters, but litter size had no effect.
(17) Furthermore, the approach provides a nice graphical representation of the relationships between the PK-PD parameters and covariates.
(18) The analysis can include covariates and risk factors.
(19) Analysis proceeded by means of the analysis of covariance with the dental dimorphism indices as the dependent variables.
(20) After adjustment for significant covariates (smoking and serum gamma-glutamyl transpeptidase in both sexes, and age and serum ferritin in women), a twofold increase in the Cd concentration in the soil was accompanied by a 6% decrease in blood Cd in men (R2 = 0.03; P = 0.09) and by a 10% decrease in women (R2 = 0.06; P less than 0.01).
Variety
Definition:
(n.) The quality or state of being various; intermixture or succession of different things; diversity; multifariousness.
(n.) That which is various.
(n.) A number or collection of different things; a varied assortment; as, a variety of cottons and silks.
(n.) Something varying or differing from others of the same general kind; one of a number of things that are akin; a sort; as, varieties of wood, land, rocks, etc.
(n.) An individual, or group of individuals, of a species differing from the rest in some one or more of the characteristics typical of the species, and capable either of perpetuating itself for a period, or of being perpetuated by artificial means; hence, a subdivision, or peculiar form, of a species.
(n.) In inorganic nature, one of those forms in which a species may occur, which differ in minor characteristics of structure, color, purity of composition, etc.
Example Sentences:
(1) This paper discusses the typical echocardiographic patterns of a variety of important conditions concerning the mitral valve, the left ventricle, the interatrial and interventricular septum as well as the influence of respiration on the performance of echocardiograms.
(2) All subjects completed the Coping Strategies Questionnaire, which measures the use and perceived effectiveness of a variety of cognitive and behavioral coping strategies in controlling and decreasing pain.
(3) The 14C-aminopyrine breath test was used to measure liver function in 14 normal subjects, 16 patients with alcoholic cirrhosis, 14 alcoholics without cirrhosis, and 29 patients taking a variety of drugs.
(4) In addition, the fact that microheterogeneity may occur without limit in the mannans of the strains suggests that antibodies with unlimited diverse specificities are produced directed against these antigenic varieties as well.
(5) The E. coli used did not possess collagenolytic activity nor did a variety of common aerobic clinical isolates.
(6) The effects of H1 and H2 antihistamines on a variety of physiological vasodilator responses were examined.
(7) Even if it were not the case that police use a variety of tricks to keep recorded crime figures low, this data would still represent an almost meaningless measure of the extent of crime in society, for the simple reason that a huge proportion of crimes (of almost all sorts) have always gone unreported.
(8) We have examined the in vitro membrane assembly characteristics of a variety of leader peptidase mutants and found that domains required for insertion in vivo are also necessary for insertion in vitro.
(9) A variety of nonspecific inhibitors produce approximately the same inhibition of both activities.
(10) A variety of homobifunctional crosslinking agents have been used to gain insight into the nature of the murine interleukin 3 (mIL-3) receptor.
(11) It was possible to classify the bacteriophages broadly, according to the variety of mutants that were resistant to them.
(12) Although a variety of new teaching strategies and materials are available in education today, medical education has been slow to move away from the traditional lecture format.
(13) A variety of weak acids at and below their pK(a) are potent inhibitors of transport in Penicillium chrysogenum.
(14) Bob Farnsworth, president of Nashville, Tennessee-based Hummingbird Productions, told trade publication Variety that the film was set for release in 2015 and would star Karolyn Grimes, who played George Bailey's daughter in the original film.
(15) Production of glucose was a linear function of time for up to 120 min of incubation at 37 degrees C under a variety of conditions.
(16) Cytochrome P-450 is known to catalyze the following oxygen transfer reaction: RH + PhIO----ROH + PhI where RH represents a variety of hydroxylatable substrates and PhIO a variety of iodosobenzene derivatives that serve as oxygen donors, and neither molecular oxygen nor an external electron donor is required.
(17) Using this technique, genes were transferred into a variety of developing mouse tissues with high efficiency.
(18) Prior exposure and subsequent reactions can, however, take a wide variety of forms, and blanket avoidance may prevent many deserving patients from being transplanted.
(19) Utilizing the bilateral comparison technique in 30 hospitalized patients with chronic stable plaque-type psoriasis vulgaris, we closely monitored the clinical responses to ultraviolet radiation (Westinghouse fluorescent FS40 bulbs, 290--400 nm) and a variety of tar preparations and lubricant vehicles in combination and separately.
(20) A prospective, double-blind study was undertaken to assess the effectiveness of oral dexamethasone premedication in reducing a variety of side effects associated with metrizamide myelography.