orthogonal projections to latent structures

initialism: O-PLS
https://doi.org/10.1351/goldbook.11478
A preprocessing method for partial least squares calculations that filters out variation that is not correlated to the property to be fit and so results in improved interpretability of a PLS model while maintaining its predictivity.
Source:
PAC, 2016, 88, 239. (Glossary of terms used in computational drug design, part II (IUPAC Recommendations 2015)) on page 251 [Terms] [Paper]