@misc{indiciae48c9e9ee68cf, title = {Extending the trend vector: the trend matrix and sample-based partial least squares.}, author = {R P Sheridan and R B Nachbar and B L Bush}, year = {1994}, doi = {10.1007/bf00126749}, url = {https://pubmed.ncbi.nlm.nih.gov/7964931/}, note = {Source identifier: 7964931} }