释义 |
covariate noun[ C ] mathematics specializeduk /ˌkəʊˈveər.i.ət/ us /ˌkoʊˈver.i.ət/ in a study, a variable(= a quantity that can change) that may affect the result of what is being studied: 共变量,共变数 An analysis was performed using age as the covariate.以年龄作为共变量进行分析。 Onset of marijuana use at a given time point was predicted by the value of each covariate at the time since the previous interview (with the exception of gender, which was a time-constant covariate). The effect of the intervention was analyzed on the discrepancy scores of post-test minus pretest, with pretest scores serving as a covariate. The analysis found that there was still a reliable effect of action - outcome delay when response rate was used as a covariate. When the values of day 14 were used as covariate, no statistically significant difference was obtained between treatments on day 42. SMART Vocabulary: related words and phrases Statistics actuarial actuary analysis of covariance background variable canonical correlation categorical variable correction factor correlation coefficient covariance matrix cross-sectional density function entropy interpoint interquartile range multigroup non-statistical normal distribution pollster statistician stochastic |