Sentences with word «univariate»

The word "univariate" refers to the study or analysis of one variable at a time. It focuses on examining or considering only a single characteristic or factor, without considering any other variables. Full definition
Variables identified as significant in univariate analysis were included in multivariable regression models.
An intent - to - treat analysis was conducted using univariate analysis of covariance for continuous variables and multivariate analysis of covariance for continuous variables in which the predictor variable comprised multiple scales.
Oriented toward the logical extension of univariate tests of significance and estimation procedures to multivariate problems.
Univariate GLM analyses were performed to compare mothers in the four clusters in terms of their scores on the different scales.
This method is unique in three key ways, (a) the state space grid provides a framework for re-representing bivariate time - series data as univariate time series, (b) the sequence analysis provides for identification of patterns or trends that account for order and relative timing of change, and (c) the cluster analysis (or grouping technique of choice) provides for identification of groups of dyads who exhibit patterns that are holistically similar.
Chi - square and independent sample t - tests were first calculated for univariate comparisons of demographic characteristics.
It should be noted that there were significant univariate effects on three of the subscales, i.e. body image, F (4, 2252) = 3.71, P = 0.005; relations with others, F (4, 2252) = 3.33, P = 0.010 and well - being, F (4, 2252) = 2.64, P = 0.032 (figures not shown in Table IV).
In univariate logistic regression analysis, frequent bullying - only status predicted antisocial personality, substance abuse, and depressive and anxiety disorders; frequent victimization - only status predicted anxiety disorder, whereas frequent bully - victim status predicted antisocial personality and anxiety disorder.
Table I summarizes descriptive statistics for adherence, HbA1C, and mental health symptoms, as well as univariate analyses of gender differences in these variables.
Descriptive statistics and graphs (PROC UNIVARIATE; SAS Institute) were used to summarize the distributions of outcome measures.
For categorical variables, we calculated univariate multinomial logistic regression analyses.
Relations between pairs of variables were assessed by univariate regression analysis with the use of a linear model.
The common univariate graphs include lines, bar charts, pie charts and histograms.
This multivariate effect was explored through univariate posthoc comparisons (Table 4).
Univariate descriptive statistics were used to describe the sample.
Results from univariate analyses suggest that individual, family and peer risk factors predicted membership in the subgroup of girls who use indirect aggression more frequently and increasingly.
We use the expression univariate latent growth curve models to distinguish these analyses from the following multivariate latent growth curve model that simultaneously includes both PA and RA.
[7] J.C. Cuaresma, J. Hlouskova, S. Kossmeier and M. Obersteiner, Forecasting electricity spot - prices using linear univariate time - series models, Appl Energy 77 (1)(2004), pp. 87 — 106.
We assessed the prevalence of the studied items by sex and school year with descriptive univariate statistics produced by SPSS release 6 software.
Univariate hazard estimates were generated with unadjusted Cox proportional hazards models.
To test for age - related dedifferentiation in neural representations we combined univariate analyses with an encoding - retrieval pattern similarity (ERS) analysis in young and older adults to compare the overlap in neural representations between retrieval lures and their respective targets at encoding.
It is Campbell who did the multivariate analyses in The China Study, and Denise Minger who has made the first - year undergrad - level error by doing univariate analysis.
Glutathione peroxidase 1 activity was among the strongest univariate predictors of the risk of cardiovascular events, whereas superoxide dismutase activity had no association with risk.
Another possible univariate graph could show, the completed modules for each employee.
The weighted least squares univariate and multiple regression analyses indicated that mathematics achievement could be accounted for by a few technology, implementation and learner characteristics in the studies.
This is safely impossible to falsify with the reliable, unadjustable modern era data, but an unbiased fit to the 33 year data suggest net - neutral feedback as the most likely univariate extrapolation.
It also takes an intrinsically univariate and scalar viewpoint of the data, considering each observation independently of the others.
Univariate generalized linear models were used to determine the estimated marginal means of the PedsQL scales and subscales adjusting for the child's age, sex, maternal education, and disadvantage index as covariates.
Contentment in school also showed a significant univariate SET / No - SET - by - years interaction, with no further interaction with student gender.
Variables with a P value of less than 0.25 in the initial univariate χ2 tests were initially entered into the regression equation and were removed in a stepwise fashion if they had a P value of less than 0.1 on likelihood ratio tests.
Univariate multilevel SDE models, estimated in a Bayesian framework, were fit to 21 days of ecological momentary assessments of affect valence and arousal (average 6.93 / day, SD = 1.89) obtained from 150 adults (age 18 — 89 years)-- specifically capturing temporal dynamics of individuals» core affect in terms of attractor point, reactivity to biopsychosocial (BPS) inputs, and attractor strength.
The means, standard deviations, univariate F - tests and significance levels for main and interaction effects are presented in Table 3.
To address these issues, we utilized univariate analyses of variance (ANOVAs) with Bonferroni - protected follow - up comparisons on the outcome measures, with work perception (self did more work, partner did more work, work was shared equally) serving as the grouping variable.
The flexibility measure average duration and the expressivity measures positive and negative affect of father - child and mother - child dyads showed one extreme univariate outlier.

Phrases with «univariate»

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