Re: [R] Linear Regression with lm Forcing the Slope to Equal 1

2007-11-17 Thread Christofer
nt: Sunday, November 18, 2007 7:00 AM To: r-help@r-project.org Subject: [R] Linear Regression with lm Forcing the Slope to Equal 1 Is there a way to do a linear regression with lm (having one predictor variable) and constrain the slope of the line to equal 1? Tom -- View this message in con

Re: [R] Linear Regression with lm Forcing the Slope to Equal 1

2007-11-17 Thread Washington Leite Junger
or simply insert the offset term into the formula lm(y~offset(x)) Washington On 17/11/2007 8:29 PM, Tom La Bone wrote: > Is there a way to do a linear regression with lm (having one predictor > variable) and constrain the slope of the line to equal 1? > You could use the offset parameter to do

Re: [R] Linear Regression with lm Forcing the Slope to Equal 1

2007-11-17 Thread Duncan Murdoch
On 17/11/2007 8:29 PM, Tom La Bone wrote: > Is there a way to do a linear regression with lm (having one predictor > variable) and constrain the slope of the line to equal 1? > You could use the offset parameter to do this, e.g. x <- 1:20 y <- x + rnorm(20) lm(y ~ 1, offset=x) Duncan Murdoch _

[R] Linear Regression with lm Forcing the Slope to Equal 1

2007-11-17 Thread Tom La Bone
Is there a way to do a linear regression with lm (having one predictor variable) and constrain the slope of the line to equal 1? Tom -- View this message in context: http://www.nabble.com/Linear-Regression-with-lm-Forcing-the-Slope-to-Equal-1-tf4828804.html#a13815432 Sent from the R help maili