Re: [R] lm function in R

2010-02-14 Thread Douglas Bates
[mailto: r-help-boun...@r-project.org] On Behalf Of Something Something Sent: Friday, February 12, 2010 5:28 PM To: Phil Spector; r-help@r-project.org Subject: Re: [R] lm function in R Thanks for the replies everyone.  Greatly appreciate it.  Some progress, but now I am

Re: [R] lm function in R

2010-02-14 Thread kMan
PM To: kMan Subject: Re: [R] lm function in R Thank you so much, kMan. That makes sense. Only one question, how can I see the value of 'error'? Here's what I see: Call: lm(formula = Y ~ X1 * X2 * X3, na.action = na.exclude) Coefficients: (Intercept) X1 X2

Re: [R] lm function in R

2010-02-13 Thread Something Something
-project.org] On Behalf Of Something Something Sent: Friday, February 12, 2010 5:28 PM To: Phil Spector; r-help@r-project.org Subject: Re: [R] lm function in R Thanks for the replies everyone. Greatly appreciate it. Some progress, but now I am getting the following values when I don't use

Re: [R] lm function in R

2010-02-13 Thread Bert Gunter
...@r-project.org] On Behalf Of Something Something Sent: Friday, February 12, 2010 5:28 PM To: Phil Spector; r-help@r-project.org Subject: Re: [R] lm function in R Thanks for the replies everyone. Greatly appreciate it. Some progress, but now I am getting the following values when

Re: [R] lm function in R

2010-02-13 Thread Something Something
Genentech Nonclinical Statistics -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Something Something Sent: Saturday, February 13, 2010 1:24 PM To: Daniel Nordlund Cc: r-help@r-project.org Subject: Re: [R] lm function in R

Re: [R] lm function in R

2010-02-13 Thread David Winsemius
: r-help@r-project.org Subject: Re: [R] lm function in R Thanks Dan. Yes that was very helpful. I didn't see the change from '*' to '+'. Seems like when I put * it means - interaction when I put + it's not an interaction. Is it correct to assume then that... When I put + R evaluates

Re: [R] lm function in R

2010-02-13 Thread Gabor Grothendieck
Nonclinical Statistics -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Something Something Sent: Saturday, February 13, 2010 1:24 PM To: Daniel Nordlund Cc: r-help@r-project.org Subject: Re: [R] lm function in R Thanks Dan

Re: [R] lm function in R

2010-02-13 Thread Something Something
Something Sent: Saturday, February 13, 2010 1:24 PM To: Daniel Nordlund Cc: r-help@r-project.org Subject: Re: [R] lm function in R Thanks Dan. Yes that was very helpful. I didn't see the change from '*' to '+'. Seems like when I put * it means - interaction when I put + it's

Re: [R] lm function in R

2010-02-13 Thread Daniel Malter
- -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Something Something Sent: Saturday, February 13, 2010 5:04 PM To: Bert Gunter Cc: r-help@r-project.org Subject: Re: [R] lm function in R I tried.. mod = lm(Y ~ X1*X2

Re: [R] lm function in R

2010-02-13 Thread Ista Zahn
Sent: Saturday, February 13, 2010 1:24 PM To: Daniel Nordlund Cc: r-help@r-project.org Subject: Re: [R] lm function in R Thanks Dan.  Yes that was very helpful.  I didn't see the change from '*' to '+'. Seems like when I put * it means - interaction when I put + it's not an interaction

Re: [R] lm function in R

2010-02-12 Thread Something Something
Thanks for the replies everyone. Greatly appreciate it. Some progress, but now I am getting the following values when I don't use as.factor 13.14167 25.11667 28.34167 49.14167 40.39167 66.86667 Is that what you guys get? On Fri, Feb 12, 2010 at 5:00 PM, Phil Spector

Re: [R] lm function in R

2010-02-12 Thread Daniel Nordlund
-Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of Something Something Sent: Friday, February 12, 2010 5:28 PM To: Phil Spector; r-help@r-project.org Subject: Re: [R] lm function in R Thanks for the replies everyone. Greatly