Holding most of the control variables constant at 1990 levels fails to account for the geographic mobility of Americans.

Fixed expenses are easier to plan around because they stay the same from one month to the next. Variable expenses, on the other hand, are less predictable. Understanding both types and how they impact ...

Next, the researchers tested 48 "control variables." The purpose of these adjustments is to account for factors unrelated to USAID spending that affect mortality rates.

Determining the variables to be controlled for is usually a major problem in the social sciences when analyzing possible causal relations. A structural modelling approach, having recourse to directed ...

Notably, keeping all other control variables constant in the logistic model, women from female-headed households were 31 percent less likely to experience the death of a child (odds ratio = 0.69 ...

Scientists often want to find out if changing one variable makes a difference to other variables. In many (though not all) investigations the variables are kept constant - the control variables ...

Constant A constant is a fixed value such as a number or quoted character string, that is, the value for which you are searching. A constant is a value of a variable obtained from the SAS data set, or ...

Therefore, adaptive methods are a suitable approach for control of HAWTs. Direct model-reference adaptive control is shown to perform well as a pitch-regulated control scheme. Region 3 — rated ...