similar to: S-Poetry in R

Greetings, Cohen, Cohen, West, and Aiken 2003 (Applied Multiple Regression-Correlation Analysis for the Behavioral Sciences, Third Edition) on page 273 state the covariance matrix of the regression coefficients is provided by standard programs for multiple regression, including SAS, SPSS, and SYSTAT. How can it be calculated with R. Thank you very much. pbm Peter B. Mandeville cel:

Happy New Year to all, I am using RW0631 and WIN98. 1. The command DATA only works for the base library. 2. The following code on page 312 of Venables and Ripley 1997 sitka.lme <- lme(size~treat*ordered(Time),random=~1,cluster=~tree,data=Sitka, serial.structure="ar1.continuous",serial.covariate=~Time) produced the following error message Error in lme(size ~ treat *

I have a vector Pes with 600 elements some of which are NA's. How can I form a vector of the indices of the NA's. for(i in 1:600) if(is.na(Pes[i])) print(i) prints the indices of the NA's but I can't figure out how to put the results in a vector. Thank you very much. Peter B. -- Peter B. Mandeville mandevip at deimos.tc.uaslp.mx Jefe del Depto. de

Version: platform = sparc-sun-solaris2.6 arch = sparc os = solaris2.6 system = sparc, solaris2.6 status = status.rev = 0 major = 0 minor = 64.2 year = 1999 month = July day = 3 language = R -- It is unclear to me that the handling of NAs is desirable, and it has problems with names: > z <- c(T,T,NA,F,T) > names(z) <- letters[1:5] > which(z) Error: names attribute

Hi, Is there a printed version of S-poetry which can purchased or would I have to print out and bind it myself? Regards, Benjamin -- Benjamin Otto Universitaetsklinikum Eppendorf Hamburg Institut fuer Klinische Chemie Martinistrasse 52 20246 Hamburg [[alternative HTML version deleted]]

Hi R fans, I was trying to write some code in R when I realized that I was just writing a FORTRAN 77 style program in the R syntax, and hence coming nowhere near tapping the potential of R. I'm wondering what is a good reference that would help me get up to speed in programming in R (i.e., using these classes, methods, objects, accessor functions, and many other things I don't

Dear all; Working with the following code extracted from the document S Poetry by Patrick Burns (from CRAN), I haven't been able to load the resulting dll into R. The code is basically the calculation of the quadratic form x'Qx: static double quad_form(double *Q, double *x, long n) { long i, j, ij; double ans = 0.0; for(i=0; i < n; i++) { for(j=0, ij = i * n; j < n; j++,

I respost the message here since I suppose P. Mandeville is on the list, question is rather general and ----- Forwarded message from MAILER-DAEMON at sirio.stat.unipd.it ----- <mandevip at 148.224.17.2>: Sorry, I couldn't find any host named 148.224.17.2. (#5.1.2) --- Below this line is a copy of the message. On Wed, Dec 16, 1998 at 05:01:02AM +0000, Peter B. Mandeville wrote: > How

Hi,   It may be the old question. can anyone tell me how to call perl in R? thanks   Y.     [[alternative HTML version deleted]]

As a complete newcomer I am attempting to learn to use R, but am finding it extremely difficult because I have not yet found an "Introduction to R". For over a week now I have monitored the R-help list, studied the R-FAQ and related documents, downloaded and run the Windows R and looked at the Help, downloaded early and late samples of the R-help archives, and searched for illuminating

Hi. I'm having a little difficulty with R1.5.1. To wit: (1) Can anyone explain the following behavior? > a=strptime("2002-06-01 12:15:01","%Y-%m-%d %H:%M:%S") > a [1] "2002-06-01 12:15:01" > a+0 [1] "1932-04-25 21:46:45" > a+3600 [1] "1932-04-25 22:46:45" (2) Can anyone recommend an introductory R text other than that

Many readers on this list probably don't know that S Poetry had an old home. S Poetry is a book in pdf about programming in the S language. It was written mainly with S-PLUS 3.x in mind when R was still an infant relative to what it is now. Some parts of the book are still quite accurate for R. In other places R is rather different from what is in the book. The FAQ on the differences

Among other computers, I am using rw0642 on an IBM 300GL with 32MB RAM and Windows98. 1. If after opening rw0642 the first command is to help such as "? par", when the help window is closed by clicking X in the upper right corner of the help window the following message is shown This program has performed an illegal operation and will be shut down. If the problem persists contact the

I would like to to know about conversion from jpg file to lss format. I used ppmtolss16. It is giving following errors. for .jpg file: ppmtolss16: stdin is not a raw PPM file at ppmtolss16 line 105, <STDIN> line 1. for .png files: ppmtolss16: stdin is not a raw PPM file at ppmtolss16 line 105, <STDIN> line 1. from .ppm file: ( I converted .jpg file in to .ppm file using irfanview)

Clicking on the "For more information, click here" link on the Digium site nice brings back up the same page I was looking at before, without any additional G.729 information that I can see. I'm wondering if some kind asterisker out there could provide us neophytes with some "typical scenarios" where that codec would be useful to us. For instance, I assume that it

Am 03.12.2015 um 11:08 schrieb Greg Lindahl <lindahl at pbm.com>: > I wanted to help you by making sure that you were on the most recent > version, but, looking at the Centos.org website I was unable to figure > out if 7.2 was the tip. 7.1503? Is that 7.2? Beats me. CentOS 7.1511 (aka '7.2') not yet released ... > https://wiki.centos.org/Download appears to say that

Hi, I am trying to install R on my Ultra-10 running Solaris 2.6.1. and got following massege when i configure. # ./configure loading cache ./config.cache checking for a BSD compatible install... /opt/apps/R-0.62.4/etc/install-sh -c checking whether ln -s works... yes checking for ranlib... : checking for bison... no checking for byacc... no checking for ar... no checking for ratfor... no checking

any useful books for learning the R statistical software? are they pricey? and if the books recommended focus on S, how compatible will they be for someone learning R? thank you in advance for your help. P.S. specialized survey statistical procedures? Is R good at that? [[alternative HTML version deleted]]

I am new to using R and would appreciate some advice on which books to start with to get up to speed on using R. My Background: 1-C# programmer. 2-Programmed directly using IMSL (Now Visual Numerics). 3- Used in past SPSS and Statistica. I put together a list but would like to pick the "best of" and avoid redundancy. Any suggestions on these books would be helpful (i.e. too much

Hi: Goal: use R to turn a matrix of 1's and 0's into a corresponding image (e.g. png) of black and white pixels. Why R: Yes, I can do this more efficiently and precisely with a perl module like Image::PBM. Been there, done that many times, etc. (Just humor me. I'm trying to do this with R for a number of reasons.) Problem: