Two basic articles to start with: Geladi, P. & Kowalski, B.R., 1986. Partial Least Squares Refression: A Tutorial. Anal. Chim. Acta, 185, 1-17. Thomas, E.V., 1994. A primer on multivariate calibration. Anal. Chem., 66, 795A-804A. Best wishes, Harald Pettersen, Stockholm University At 15:13 97-06-30 +0000, you wrote: >Dear all > >I'm thinking of trying Partial least sqaures (PLS) analysis on my >isotopic and geochemical data. Not being a statistician (I can >barely spell the word) my mind went AAAARRRGHH!!! when I found a >brief reference to the equation in a stats book. Could anyone >recommend a good read where this technique is concerned ie "advanced >stats for complete idiots." The only other alternative is to go and >talk to the stats dept and the're creatures from another planet (well >they certainly talk a different language). >Cheers >Bob > ------------------------------------------------------------------- Harald Pettersen Dept. of Zoology Stockholm university S-106 91 Stockholm Sweden Phone: + 46 8 164015 / 21 Tel: 08 - 164015 / 21 Fax: + 46 8 167715 Fax: 08 - 167715 e-mail: [log in to unmask] --------------------------------------------------------------------