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Total 34 documents matching your query.

1. Re: Cookbook available? (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Thu, 5 Apr 2001 18:12:31 -0500
Though not a "cookbook , Phil Spector's book: An Introduction to S and S-Plus (Duxbury Press) is the one that I use daily. Steve
/archives/html/s-news/2001-04/msg00073.html (7,108 bytes)

2. [S] Finding common elements in two data frames (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Mon, 03 Jul 2000 10:23:50 -0500
I am using Splus 4.5 in an NT environment. I have two data frames one with 329 records, and the other with 314 records. I need to subset the larger of the two data frames, retaining only records that
/archives/html/s-news/2000-07/msg00005.html (7,586 bytes)

3. [S] Summary: common elements (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Wed, 05 Jul 2000 09:29:02 -0500
Thanks to everyone who replied. I requested a solution to find common elements in two data frames where there is a common attribute in each. several options will all do the trick new.frame <- merge(l
/archives/html/s-news/2000-07/msg00015.html (7,202 bytes)

4. [S] Subsetting with is.element or match (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Wed, 05 Jul 2000 17:19:43 -0500
Well I thought I had this under control, but the mystery of Splus almost corrupted my data base. Let me set up the problem. I have two data objects [1] 78413 5 [1] 76118 3 The two objects have an ide
/archives/html/s-news/2000-07/msg00021.html (8,286 bytes)

5. [S] summary: subsetting (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Thu, 06 Jul 2000 17:00:45 -0500
Thanks to Patrick, Shawn, Tim, Nick, Bill, Liaw, and Gunter sometimes it is hard to see the small things when fustration has taken over. eventual proper syntax used fiakeep.frame <- FIA10K.ba[as.logi
/archives/html/s-news/2000-07/msg00035.html (7,047 bytes)

6. [S] Comparison of Regressions (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Fri, 14 Jul 2000 16:47:34 -0500
I am trying to repeat the analysis of the twin IQ's reported in Weisberg 1985 (pg 180 - 183), originally Burt 1966. The analysis explains how to compare various regression lines. I have constructed a
/archives/html/s-news/2000-07/msg00102.html (8,878 bytes)

7. Re: [S] import.data without generating factors (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Fri, 28 Jul 2000 09:08:19 -0500
Yes, in fact it is because of the variety of methods applicable for subscripting that make Splus both fustrating as it can possibly be, as well as extremely valuable. Convention works in most any oth
/archives/html/s-news/2000-07/msg00233.html (10,038 bytes)

8. [S] controlling xlab tic label scales in trellis (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Thu, 01 Jun 2000 14:27:16 -0500
I have two populations that I'm trying to compare simply using frequency histograms. I'm using the MASS function histplot() to plot the frequencies as follows: histplot(~ fia.size$dbh |species, h=2,
/archives/html/s-news/2000-06/msg00009.html (7,868 bytes)

9. [S] General linear models (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Thu, 18 May 2000 14:55:21 -0500
. I
/archives/html/s-news/2000-05/msg00154.html (9,179 bytes)

10. [S] Directories and Project Management (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Sat, 04 Mar 2000 13:39:26 -0600
I know that folks have asked this a lot recently, but I have not been able to locate the threads on this subject. I am running Splus4.5 on an NT box. I would like to set up an S_Project management f
/archives/html/s-news/2000-03/msg00047.html (7,278 bytes)

11. [S] Summary: multiple graphs (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Thu, 13 Jan 2000 09:45:36 -0600
Holidays, prevented an earlier posting, but were very much appreciated. The Trellis histogram function using the "count" option worked very nicely for what I needed. Thanks go to John Thaden, Naomi A
/archives/html/s-news/2000-01/msg00072.html (7,618 bytes)

12. [S] Unix 3.3 -> Unix 5.1 (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Fri, 14 Jan 2000 16:29:17 -0600
Splus folks We are currently revising our entire SGI systems to include a substantially larger server and raid. Consequently, my sys-ad decided it would be a good time to upgrade from Splus 3.3 to Sp
/archives/html/s-news/2000-01/msg00086.html (7,121 bytes)

13. [S] multiple graphs (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Tue, 21 Dec 1999 15:09:58 -0600
Happy Holidays I have a moderately large dataframe consisting of several parameters. I need to develop a series of histograms using one of the quantitative variables. Since the series consists of 35
/archives/html/s-news/1999-12/msg00158.html (7,232 bytes)

14. [S] Graph layout (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Mon, 22 Nov 1999 15:02:16 -0600
Working in Splus 4.0 on an NT. I'm trying to produce a series of contour maps representing tree abundance in two time periods. The landscape in question has not changed, just the distribution of the
/archives/html/s-news/1999-11/msg00234.html (8,363 bytes)

15. [S] Data input for 3D displays (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Tue, 07 Sep 1999 14:03:17 -0500
Is there an easy approach to reading in a data file with the following format inorder to display the variance - covariance matices in 3D space? The data represent a principal components analysis cond
/archives/html/s-news/1999-09/msg00054.html (11,332 bytes)

16. [S] SpatialStats: expand.grid() (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Thu, 06 May 1999 12:33:48 -0500
As part of an EDA of a non-gridded spatial data set, I am trying to examine the distribution of a tree species on a large landscape. One method of exmining trend in the data is to use loess modeling
/archives/html/s-news/1999-05/msg00045.html (8,084 bytes)

17. [S] Splus kriging (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Thu, 08 Apr 1999 17:37:00 -0500
My question specifically is concerned with importing or creating graphic files that can be used in spatial analysis. I am working with a geographic information system stored database that contains a
/archives/html/s-news/1999-04/msg00063.html (7,417 bytes)

18. [S] Kriging with Lakes (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Sat, 17 Apr 1999 12:01:16 -0500
Hi all. I 've submitted questions regarding this to the list group previously and would like to get some additional feedback regarding interpolations with barriers. The landscape where I work is char
/archives/html/s-news/1999-04/msg00160.html (7,370 bytes)

19. [S] Summary: Kriging with barries (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Wed, 21 Apr 1999 11:48:23 -0500
Sad to report that there have been no responses to my question regarding how to deal with landscape barriers in a kriging model. On the other hand several people wished that I send them the responses
/archives/html/s-news/1999-04/msg00199.html (7,398 bytes)

20. [S] Element processing in a table/matrix (score: 1)
Author: Steve Friedman <friedman@gis.umn.edu>
Date: Thu, 29 Apr 1999 17:56:56 -0500
I've been working at this for too long and making no headway. Perhaps fresher more experienced minds can help. I have a matrix and I need to multiply every element in the matrix the column number of
/archives/html/s-news/1999-04/msg00286.html (7,767 bytes)

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