Look at the TkPredict and Predict.Plot functions in the TeachingDemos package as a couple of options.
-- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111 > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Yi > Sent: Saturday, August 07, 2010 3:13 PM > To: R (r-help@R-project.org) > Subject: [R] plot the dependent variable against one of the predictors > with other predictors as constant > > Hi, folks, > > Happy work in weekends >_< > > My question is how to plot the dependent variable against one of the > predictors with other predictors as constant. Not for the original > data, but > after prediction. It means y is the predicted value of the dependent > variables. The constane value of the other predictors may be the > average or > some fixed value. > > ####### > y=1:10 > x=10:1 > z=2:11 > lin_model=lm(z~x+y) > x_new=11:2 > ####### > > > How to plot predicted value of z from the regression model with x takes > x_new and y as a constant (let's say y=1) > > > I am thinking about using 'predict' command to generate the prediction > of z > with the new data.frame but there should be a better way. > > Thanks all. > > Yi > > [[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. ______________________________________________ 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.