![Should you use principal component regression? Principal component regression in SAS: Loadings plot](https://blogs.sas.com/content/iml/files/2017/10/pcr3-600x336.png)
This article describes the advantages and disadvantages of principal component regression (PCR). This article also presents alternative techniques to PCR. In a previous article, I showed how to compute a principal component regression in SAS. Recall that principal component regression is a technique for handling near collinearities among the regression