[R] Spline regression (or any localized regression) in the setting of a random effects model.

2014-04-21 Thread John Sorkin
Colleagues, Is there any R program that will allow me to run a localized regression (e.g. smoothing spline) in the context of a random effects model? I have data on the growth of animals and want to create growth curves. I am not certain what shape the growth curve would take, so I would like

Re: [R] Spline regression (or any localized regression) in the setting of a random effects model.

2014-04-21 Thread Bert Gunter
See gam() and gamm() in the mgcv package. Cheers, Bert Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 Data is not information. Information is not knowledge. And knowledge is certainly not wisdom. H. Gilbert Welch On Mon, Apr 21, 2014 at 3:25 PM, John Sorkin

Re: [R] Spline regression (or any localized regression) in the setting of a random effects model.

2014-04-21 Thread Kenneth Frost
Also, you might want to check out the gamm4 package. Ken On 04/21/14, Bert Gunter wrote: See gam() and gamm() in the mgcv package. Cheers, Bert Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 Data is not information. Information is not knowledge. And knowledge is

[R] spline regression

2009-07-25 Thread serbring
i have a trend that it is linear at first and then it has a particular trend. There is a mathematic model, but it describes only the linear part. I have tried to use a spline regressione, but i have obtained a particular fit trend that it is unreal. Can i create a spline regression that it is of

Re: [R] spline regression

2009-07-25 Thread Greg Snow
. 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 serbring Sent: Saturday, July 25, 2009 3:29 AM To: r-help@r-project.org Subject: [R] spline