The aim of bootstrapping is to approximate the sampling distribution of some estimator. An algorithm for combining method is given in SAS, along with applications and visualizations.
Amir, Wan Muhamad; Shafiq, Mohamad; A.Rahim, Hanafi; Liza, Puspa; Aleng, Azlida; and Abdullah, Zailani
"Algorithm for Combining Robust and Bootstrap In Multiple Linear Model Regression (SAS),"
Journal of Modern Applied Statistical Methods: Vol. 15
, Article 46.
Available at: http://digitalcommons.wayne.edu/jmasm/vol15/iss1/46