You would have to specify which proc you are using and with which parameters. The following may or may not be relevant: If you run PROC TCALIS (experimental) using the FACTOR statement to run an exploratory factor analysis, the Standardized Rotated Factor Loading Matrix and the Rotated Factor Correlation Matrix might be incorrect if you specify ROTATE= a rotation that is oblique. (The problem affects oblique rotations only - orthogonal rotations are not affected.) Art ... View more