combind
?predict
and:
expand.grid(weather=1:2,gender=c("male","female"))----------------Contact Details:------------------------------------------------------- Contact me: tal.gal...@gmail.com | 972-52-7275845 Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) | www.r-statistics.com (English) ---------------------------------------------------------------------------------------------- On Wed, Dec 21, 2011 at 6:59 AM, Abraham Mathew <abmathe...@gmail.com>wrote: > Lets say I have a linear model and I want to find the average expented > value of the dependent variable. So let's assume that I'm studying the > price I pay for coffee. > > Price = B0 + B1(weather) + B2(gender) + ... > > What I'm trying to find is the predicted price for every possible > combination of values in the independent variables. > > So Expected price when: > weather=1, gender=male > weather=1, gender=female > weather=2, gender=male > etc. > > Can anyone help with this problem? > > -- > *Abraham Mathew > Statistical Analyst > www.amathew.com > 720-648-0108 > @abmathewks* > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > [[alternative HTML version deleted]] ______________________________________________ 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.
