set.func
string to select a graphic interface for a set of functions to achieve a specific task. SelectSamplingUnits creates a graphic interface to select sampling units for pilot or final survey designs. CalculateSampleSize creates a graphic interface to calculate sample size and composition. The graphic interface created by SurveyAnalysis support functionality to analyise survey data. SolveIASA creates an interface to simulate population dynamics and to assess population-based interventions.