Sentence examples for intervention variables from inspiring English sources

The incorporation of these intervention variables to the two models improved the consistency and the efficiency of the estimates.

The analysis is complex due to competing events, clustering, multiple timescales and time-dependent period and intervention variables.

Finally, intervention variables d j,t are dummy (indicator) variables that are used to capture structural breaks or outlying (irregular) observations.

However, in observational studies, where treatment allocation is not random, patients in the treatment and control groups often differ in covariates that are related to intervention variables.

It also includes a discussion regarding data comparability, owing to the country-specific nature of the policy intervention variables and the change in the OECD classification system on policy interventions in 2002.

For these estimates, we augment the instrumental variable set with two additional variables an interaction between male and each of the exposure to the nutritional intervention variables, since there is evidence that the intervention affected males and females differently (Maluccio et al. 2009).

The notion of an intervention variable is, in turn, used to define the notion of an intervention: Any value ii of an intervention variable I (for X relative to Y) is an intervention on X relative to Y iff it is the case that the value of X counterfactually depends on the fact that I has the value ii (cf. Woodward 2003: 98).

The structural break is related to the unusual value of the level disturbance of the series and is modeled by a step intervention variable which is zero before the event and one after.

Product terms were constructed by multiplying the dichotomous intervention variable by the two variables representing impairments.

The area has also the highest missing values for the intervention variable on prompt treatment (52%).

The coefficient of the intervention variable thus provided an estimate of the DiD.