The phrase "additional variables such as" is correct and usable in written English.
You can use it when introducing examples of variables that are supplementary to a main topic or list.
Example: "In our analysis, we considered additional variables such as age, income, and education level."
Alternatives: "extra factors like" or "supplementary variables including".
Previous studies suggest that additional variables, such as size and liquidity, influence the imbalance return relation.
We build additional variables such as the length of tenure and total experience.
Recently, additional variables such as climate, soils, topography, and forest phenology metrics derived from satellite data have been used to characterize forest biomass between plot locations [73 76].
Many researchers have adapted and extended the TAM to include additional variables, such as effectiveness [65], uncertainty avoidance and intrinsic motivation [66], organizational beliefs [67] etc.
The study finds that the factors influencing evacuation decisions in HAZUS are also important for Montreal; however, other additional variables such as road condition, distance between home and shelter, power outage, and number of children are also significant.
However, this descriptive difference is not sufficient to test the efficiency of school tracking: it remains to be seen if it persists, once we control for additional variables, such as students' background.
Future developments would include the assimilation of additional state variables, such as soil moisture.
To better understand break effects on learning via physiological and brain functions, functional imagining and additional physiological variables such as skin conductance and heart rate are required.
Besides SECV, SEP and r2regr., some additional response variables, such as the slope, r2 and pvalue from the external validation, as well as the number of PLS factors, were simultaneously assessed to find the optimum conditions for PLS modeling.
Some other correlations have included additional correlating variables such as average temperature, critical temperature, Watson characterisation factor (K w), bubble-point pressure (P b) and bubble-point gas/oil ratio (R sb).
2.053 0.175 1.860 1.981 0.186 Endogeneity test (p value) 0.562 0.676 0.394 0.159 0.666 All regressions include also additional control variables such as mother's and father's age and indigenous background, an indicator for rural areas (none of these is significant).
