Some classes of variables can be lagged; that is, their value at each observation is remembered, and previous values can be referred to by the lagging functions. Other classes have only a single value ...

Health programs that use social and related data obtained through surveys or other methods need to distinguish among so-called independent variables. Three groups of independent variables are (a) ...

A new procedure for mixed integer programming is presented. It is applicable where the integer variables must be either zero or one, and where the integer variables are divided into sets such that the ...

The following SASMACRO submits a DATA step that uses the GETEXEC function to retrieve the value of the REXX variable DATALINE. It then prints the value of DATALINE in the SAS log. Note that the REXX ...

Prior studies have sought the best forecasting model type, but each type exhibits different performance depending on predictor variables, or features, and study basin. Moreover, comparatively less ...