On Dec 8, 2006, at 7:42 AM, David Barron wrote: > b = mean(y) > > On 08/12/06, Kåre Edvardsen <[EMAIL PROTECTED]> wrote: >> Dear R-helpers, >> >> I'm for sure not familiar with R, but it seem like a nice sofware >> tool, >> so I've decided to try using it. >> >> Here is my problem I just can't figure out: >> >> I'd like to do least square fit of a straight horizontal (a = 0) >> line y >> = ax + b through some data points >> >> x = (3,4,5,6,7,8) >> >> y = (0.62, 0.99, 0.83, 0.69, 0.76, 0.82) >> >> How would i find b?????
And in the context of linear models: x <- 3:8 y <- c(0.62, 0.99, 0.83, 0.69, 0.76, 0.82) lm(y ~ 1) _____________________________ Professor Michael Kubovy University of Virginia Department of Psychology USPS: P.O.Box 400400 Charlottesville, VA 22904-4400 Parcels: Room 102 Gilmer Hall McCormick Road Charlottesville, VA 22903 Office: B011 +1-434-982-4729 Lab: B019 +1-434-982-4751 Fax: +1-434-982-4766 WWW: http://www.people.virginia.edu/~mk9y/ ______________________________________________ R-help@stat.math.ethz.ch 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.