covariate
noun [ C ] mathematics specialized uk/ˌkəʊˈveər.i.ət/ us/ˌkoʊˈver.i.ət/
共变量，共变数
in a study, a variable (= a quantity that can change) that may affect the result of what is being studied
An analysis was performed using age as the covariate. 以年龄作为共变量进行分析。
- More examples
- 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.