bootstrap应用文献
1、Corrigendum to “Using SAS to conduct nonparametric residual bootstrap multilevel modeling with  a small number of groups”
2、Simple bootstrap statistical inference using the SAS system
3、Applying a Bootstrap Approach for Setting Reorder Points
4、Using SAS to conduct nonparametric residual bootstrap  multilevel modeling with a small number of groups
5、Bootstrap 方法下的Poisson分布置信区间估计