Hi, Is it possible in R to fit two equations simultaneously:
y1 = a1 - b1*t and y2 = a2 - b2*t so that the following constraint applies: a1/b1 = a2/b2 ? Thanks ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.