Hi, is there any proc statement in SAS that enables to use STL (like in R). I found a source code for STL function in R but unfortunately I am not able to implement this solution in SAS.   Here are links to the source code https://svn.r-project.org/R/trunk/src/library/stats/R/stl.R and the article https://www.wessa.net/download/stl.pdf   Thank you in advance for your help ... View more