SUBJECT: Nonlinear regression (derivative free) AUTHOR: Francesco Danuso, Ph.D., Universita degli Studi di Udine, Istituto di Produzione Vegetale, Udine, Italy. (English adaptation & revision: Joseph Hilbe, Editor) SUPPORT: FAX, either Dr. Danuso, 011-39-432-558603, or STB Editor, 602-860-1446 COMMENTS: Use standard in1 installation instructions. From inside Stata, on-line help is available. Type 'help nonlin'. A sample data set, nl_test.raw, is included. You may wish to move this from the ado directory to a data directory.