Next, we express each international test on this transformed NAEP scale by performing a simple linear transformation of each international test based on the U.S. performance on the respective test. (educationnext.org)
I understand that, e.g., the uniform prior is invariant under linear transformation. (tamino.wordpress.com)
Each circle represents an individual included in the study, color - coded depending on its group membership, and shown in a linear transformation on a vector space (3 - D cube). (sciencedaily.com)