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1. Trellis Panel= for varying models (score: 1)
Author: "Brent Myers" <myersdb@missouri.edu>
Date: Sat, 12 Mar 2005 11:52:32 -0600
S Users, Can the Panel= function in trellis be used to plot a different model for each panel? As example, I want to plot a linear, quadratic or no function onto each trellis panel (points) based on w
/archives/html/s-news/2005-03/msg00054.html (8,970 bytes)

2. Deleting Selected Rows (score: 1)
Author: "Brent Myers" <myersdb@missouri.edu>
Date: Sat, 19 Mar 2005 10:53:13 -0600
One of my favorite uses of S-Plus is to find outliers and bad data. The linked nature of GUI plots and data frames allows selections of outliers on a graph to be highlighted in a data frame and on a
/archives/html/s-news/2005-03/msg00098.html (8,780 bytes)

3. Tip: Publication Quality Plots (score: 1)
Author: "Brent Myers" <myersdb@missouri.edu>
Date: Fri, 25 Mar 2005 16:57:27 -0600
One question that frequently comes up is - how to export publication quality plots from S code or GUI plots, usually in a windows environment. I am an S-Plus 2000 holdover, so I am not sure how the
/archives/html/s-news/2005-03/msg00140.html (9,886 bytes)

4. abline constraint (score: 1)
Author: "Brent Myers" <myersdb@missouri.edu>
Date: Sun, 9 Jan 2005 09:49:36 -0600
S users, I am using the abline function to plot several regression lines on a plot. (e.g. abline(a.model)) It&#8217;s quick and easy, but produces a line extending to the edges of the plot. Is it pos
/archives/html/s-news/2005-01/msg00046.html (8,364 bytes)

5. Re: Funny problems with data entry (score: 1)
Author: "Brent Myers" <myersdb@missouri.edu>
Date: Tue, 30 Nov 2004 01:37:49 -0600
ver, but am
/archives/html/s-news/2004-11/msg00170.html (15,633 bytes)

6. Multiple series on a trellis panel (score: 1)
Author: "Myers, Brent" <MyersDB@missouri.edu>
Date: Sat, 24 Jul 2004 20:47:08 -0500
S users, I have a dataset of groundwater chemical concentrations from 1990-2004 from four different agricultural fields with 5-8 well nests per field and 5-8 groundwater sampling wells per nest. I wo
/archives/html/s-news/2004-07/msg00123.html (7,587 bytes)

7. Extracting local regression coefficients. (score: 1)
Author: "Myers, Brent" <MyersDB@missouri.edu>
Date: Fri, 20 Feb 2004 15:49:42 -0600
Happy Friday, Perhaps one had a local regression model, such as a loess model. How can a point estimate of the linear and quadratic coefficients (from the local fit centered on the prediction point)
/archives/html/s-news/2004-02/msg00173.html (7,929 bytes)

8. FW: Extracting local regression coefficients. (score: 1)
Author: "Myers, Brent" <MyersDB@missouri.edu>
Date: Fri, 20 Feb 2004 15:53:04 -0600
Happy Friday, Perhaps one had a local regression model, such as a loess model. How can a point estimate of the linear and quadratic coefficients (from the local fit centered on the prediction point)
/archives/html/s-news/2004-02/msg00174.html (7,863 bytes)

9. Extracting local regression coefficients. (score: 1)
Author: "Myers, Brent" <MyersDB@missouri.edu>
Date: Fri, 20 Feb 2004 16:24:46 -0600
Happy Friday, Perhaps one had a loess model. How can a point estimate of the linear and quadratic coefficients (from the local fit centered on the prediction point) be extracted ? Can one adjust the
/archives/html/s-news/2004-02/msg00175.html (7,987 bytes)

10. Loess span optimization: calculating AIC. (score: 1)
Author: "Myers, Brent" <MyersDB@missouri.edu>
Date: Tue, 24 Feb 2004 11:08:26 -0600
Good Day, I am looking for a way to optimize selection of span for a loess model in S-Plus. Any options out there? One option I am having trouble with&#8230; The SAS documentation provides a macro th
/archives/html/s-news/2004-02/msg00192.html (9,371 bytes)

11. Loess loop (score: 1)
Author: "Myers, Brent" <MyersDB@missouri.edu>
Date: Tue, 24 Feb 2004 13:26:55 -0600
What is it I'm not understanding here? The following code fits a loess model at a range of spans, however residual sum of squares is not changing. It makes no difference if the model is inside the l
/archives/html/s-news/2004-02/msg00200.html (10,252 bytes)

12. Re: Loess loop (score: 1)
Author: "Myers, Brent" <MyersDB@missouri.edu>
Date: Tue, 24 Feb 2004 14:18:59 -0600
You are correct, in the example I posted I forgot the assignment, but it doesn't matter. For instance, whether you use the update or just the model statement (with the appropriate assignment, the RS
/archives/html/s-news/2004-02/msg00204.html (9,775 bytes)

13. FW: List of vectors from expand.grid (score: 1)
Author: "Myers, Brent" <MyersDB@missouri.edu>
Date: Fri, 30 May 2003 07:52:35 -0500
in
/archives/html/s-news/2003-05/msg00178.html (8,206 bytes)

14. List of Frames (score: 1)
Author: "Myers, Brent" <MyersDB@missouri.edu>
Date: Mon, 28 Apr 2003 12:01:59 -0500
.
/archives/html/s-news/2003-04/msg00179.html (6,749 bytes)

15. Splines? (score: 1)
Author: "Myers, Brent" <MyersDB@missouri.edu>
Date: Wed, 10 May 2006 10:24:29 -0500
I think I have a spline problem, and I would like to implement the solution in S. There are a lot of spline algorithms and I am looking for some direction on what is most appropriate. I need a spline
/archives/html/s-news/2006-05/msg00036.html (10,898 bytes)

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