Independent variables can be categoric or continuous. An example of categoric data would be ‘choice of food for lunch’ and 'counting the number of people who chose certain foods'. An example ...

Using this method you manipulate the controllable factors (independent variables or ... of each factor on the output or response variable. In our example, one of the main effects would be the ...

For example, invoking CONDITN from within NAME3 creates the nested scope; it is not necessary to define CONDITN within NAME3. Forcing a Macro Variable to Be Local At times you need to ensure that the ...

Analysis of variance uses qualitative independent variables only. Analysis of covariance uses quantitative ... primary interest and merely improve the precision of the analysis. An example from Neter, ...