Tenure in the INHS is, in turn, positively associated to the variable making distinction of whether the clinician has a managerial role or not.
For continuous response variables, the distinction between the two subgroups is more challenging.
Despite considerable uncertainty around key input variables, clear distinctions in cost between obesity interventions were found, together with logical explanations for the differentials.
Kendall's coefficient was calculated for the categorical variable, namely the distinction between "complex" and "non-complex" patients.
In each mixed effects regression model only group (intervention group vs. control group) was used as explanatory variable and no distinction was made between several classes within the same school.
For the purposes of the statistical analysis, mode of delivery was considered a binary variable as no distinction could be made from the available information between emergency or elective C/S.
(Cf Quine 1966) From a purely technical point of view, one can introduce different kinds of variables to reflect any distinction one wants, e.g., there could distinctive styles of variables for even numbers as opposed to odd ones, or for left-handed people as opposed to right-handed.
Based on the principle of "objective and object suitability", the socio-scientific research allows us to make a rough distinction between variable-manipulative and variable-configurative strategies as illustrated by the diagram below (see Fig. 1, modelled on Schaffer [4]).
Specifically, RPKM values were used as predictor variables and the class distinction (healthy-affected) as response variables.
During the upcoming phases of the energy system transformation, the distinction between variable and flexible renewable energy sources will become of growing importance.
