Re: [R] effects package --- add abline to plot

2009-04-28 Thread Prew, Paul
..@mcmaster.ca] Sent: Tue 4/28/2009 2:48 PM To: Prew, Paul Cc: r-help@r-project.org; 'David Winsemius' Subject: RE: [R] effects package --- add abline to plot Dear Paul, > -Original Message- > From: Prew, Paul [mailto:paul.p...@ecolab.com] > Sent: April-28-09 2:19

Re: [R] effects package --- add abline to plot

2009-04-28 Thread John Fox
Dear Paul, > -Original Message- > From: Prew, Paul [mailto:paul.p...@ecolab.com] > Sent: April-28-09 2:19 PM > To: John Fox; David Winsemius > Cc: r-help@r-project.org > Subject: RE: [R] effects package --- add abline to plot > > Dear John and David, tha

Re: [R] effects package --- add abline to plot

2009-04-28 Thread Prew, Paul
t;City.Abbr" .. .. .. .. ..$ : chr "City.Abbr" .. .. ..- attr(*, "term.labels")= chr "City.Abbr" .. .. ..- attr(*, "order")= int 1 .. .. ..- attr(*, "intercept")= int 1 .. .. ..- attr(*, "response")= int 1 .. .. ..- attr(*, &qu

Re: [R] effects package --- add abline to plot

2009-04-28 Thread John Fox
Dear David, > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of David Winsemius > Sent: April-28-09 10:12 AM > To: Prew, Paul > Cc: r-help@r-project.org > Subject: Re: [R] effects package --- add abline to p

Re: [R] effects package --- add abline to plot

2009-04-28 Thread David Winsemius
On Apr 28, 2009, at 12:00 AM, Prew, Paul wrote: Hello, I am not having success in a simple task. Using the effects package, I would like to add reference lines at probability values of 0.1 – 0.6 on a plot of the effects. I have concerns that you are considering these probabilities. They

Re: [R] effects package --- add abline to plot

2009-04-28 Thread John Fox
> -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of Prew, Paul > Sent: April-28-09 12:00 AM > To: r-help@r-project.org > Subject: [R] effects package --- add abline to plot > > Hello, I am not having succe

[R] effects package --- add abline to plot

2009-04-27 Thread Prew, Paul
Hello, I am not having success in a simple task. Using the effects package, I would like to add reference lines at probability values of 0.1 – 0.6 on a plot of the effects. The plot command works, but following up with an abline command produces the message “plot .new has not been called