You can refer the following paper on Factor Analysis using SAS it might help you to get the answer for your query   Ijsmi, Editor (2017-04-26). "Tutorial: Factor analysis revisited – An overview with the help of SPSS, SAS and R packages". International Journal of Statistics and Medical Informatics. 3 (1).   http://www.ijsmi.com/Journal/index.php/IJSMI/article/view/6   ... View more

You can check the following paper for conducting meta analysis   Ijsmi, Editor (2017-06-10). "Systematic Review and Meta-Analysis: An overview with the help of R Software". International Journal of Statistics and Medical Informatics. 3(1).   http://www.ijsmi.com/Journal/index.php/IJSMI/article/view/7   Refer the following post Running R code from SAS   https://communities.sas.com/t5/General-SAS-Programming/Run-R-code-inside-SAS-easily/td-p/210116     ... View more

Please check the following article on clinical data management http://www.ijsmi.com/Journal/index.php/IJSMI/article/view/9/pdf   ... View more