CCL: block unscaled weigths (BUW)

[Jinsong Zhao <zh_jinsong)at(yahoo.com.cn>]

Dear all,
 Block unscaled weigths (BUW) is a chemometrics way used to pretreat
 data blocks obtained from GRID or other grid/CoMFA like ways. It's
 useful in establishing a good QSAR model. It has been implemented in
 GOLPE, and firstly introduced in J. Med. Chem. 2000, 43, 3033-3044.
 I am very interested in BUW, for I am doing something with the data
 block obtained from GRID. However, I can not afford GOLPE, I have to
 implement this method in my own way. But, I can not find a algorithm to
 implement BUW, even can not find a detail description.
 Does anyone here have experience with such method? Any suggestion
 and/or comments will be really appreciated.
 Thank you very much for your kindly consideration on this matter.
 Best wishes,
 Jinsong
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