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In trying to compile R-0.62.2 on my SPARC SunOS: tajo% uname -a SunOS tajo 4.1.3_U1 1 sun4m with gcc/g77, I ran into gcc -o R.binary [deleted] ../lib/libmath.a -L/usr/openwin/lib -lX11 -ldl -ltermcap -lm -lf2c collect2: ld returned 2 exit status ld: /lib/libm.a(lgamma.o): _gamma: multiply defined ld: /lib/libm.a(lgamma.o): _lgamma: multiply def...

Hi there, I run two regressions: y = a1 + b1 * x + e1 y = a2 + b2 * z + e2 I want to test against the null hypothesis: b1 = b2. How do I design the test? I think I can add two equations together and divide both sides by 2: y = 0.5*(a1+a2) + 0.5*b1 * x + 0.5*b2 * z + e3, where e3 = 0.5*(e1 + e2). or just y = a3 + 0.5*b1 * x + 0.5*b2 * z + e3 If I run this new regression, I can test against

Hi all, I was wondering whether it is possible to use the lapply() function to alter the value of the input, something in the spirit of : a1<-runif(100) a2<-function(i){ a1[i]<-a1[i-1]*a1[i];a1[i] } a3<-lapply(2:100,a2) Something akin to a for() loop, but using the lapply() infrastructure. I haven't been able to get rapply() to do this. The reason is that the "real"

Hi there, I have a binary matrix (dim 100x100) filled with values 0 and 1. I need select a record "n" positions of that matrix when values are 1. How can I do that? Thanks for all, Miltinho Brazil --------------------------------- [[alternative HTML version deleted]]

...= 0.0 year = 2000 month = February day = 29 language = R Windows 9x 4.0 (build 1111) B Search Path: .GlobalEnv, Autoloads, package:base -- Charles C. Berry (858) 534-2098 Dept of Family/Preventive Medicine E mailto:cberry@tajo.ucsd.edu UC San Diego http://hacuna.ucsd.edu/members/ccb.html La Jolla, San Diego 92093-0645 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help&q...

I am doing cluster analysis [hclust(Dist, method="average")] on data that potentially contains redundant objects. As expected, the inclusion of redundant objects affects the clustering result, i.e., the data a1, = a2, = a3, b, c, d, e1, = e2 is likely to cluster differently from the same data without the redundancy, i.e., a1, b, c, d, e1. This is apparent when the outcome is visualized

...status = Release major = 0 minor = 65.1 year = 1999 month = October day = 07 language = R Search Path: .GlobalEnv, Autoloads, package:base -- Charles C. Berry (858) 534-2098 Dept of Family/Preventive Medicine E mailto:cberry@tajo.ucsd.edu UC San Diego http://hacuna.ucsd.edu/members/ccb.html La Jolla, San Diego 92093-0645 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help&q...

?"=", ?"==", ?"!=", ?">=", and ?"<=" sends me to the documentation for ?help on Windows, while returning the correct documentation on Linux. Robert > version _ platform i386-pc-mingw32 arch i386 os mingw32 system i386, mingw32 status major 2 minor

...is an approximation. Any suggestion? Thank you very much! Simon >----Messaggio originale---- >Da: P.Dalgaard at biostat.ku.dk >Data: 23-nov-2009 14.09 >A: "simona.racioppi at libero.it"<simona.racioppi at libero.it> >Cc: "Charles C. Berry"<cberry at tajo.ucsd.edu>, <r-help at r-project.org> >Ogg: Re: R: Re: [R] chol( neg.def.matrix ) WAS: Re: Choleski and Choleski with pivoting of matrix fails > >simona.racioppi at libero.it wrote: >> It works! But Once I have the square root of this matrix, how do I convert it >> t...

Using R version 2.4.1 (2006-12-18) on Windows, I have a dataset which resembles this: id att1 att2 att3 1 1 1 0 2 1 0 0 3 0 1 1 4 1 1 1 ratings <- data.frame(id = c(1,2,3,4), att1 = c(1,1,0,1), att2 = c(1,0,0,1), att3 = c(0,1,1,1)) I would like to get a cross tab of counts of co-ocurrence, which might resemble this:

I was playing around a bit to see how I could find the two points in a set of points (or ordered pairs) furthest from each other. Here's what I did: 1) created a Nrow by 2col matrix, so each row contains an x,y coordinate pair. 2) fed the matrix to a nested mapply (cv is my matrix): mapply(function(k,l) mapply(function(x,y,a,b) +

...;- x.na if (!is.null(y)) { + y.na <- is.na(y) y <- Rank(y) + is.na(y) <- y.na } } Chuck Charles C. Berry (858) 534-2098 Dept of Family/Preventive Medicine E mailto:cberry@tajo.ucsd.edu UC San Diego http://hacuna.ucsd.edu/members/ccb.html La Jolla, San Diego 92093-0717

....exe on several USA mirrors. I hope the latter is merely in need of a replacement and not an indication of a problem with the web sites. Chuck Charles C. Berry (858) 534-2098 Dept of Family/Preventive Medicine E mailto:cberry at tajo.ucsd.edu UC San Diego http://biostat.ucsd.edu/~cberry/ La Jolla, San Diego 92093-0717

...]][ 2:5 ] <- letters[2:5] > a.frame x y z 1 a b <NA> 2 b c b 3 c d c 4 d e d 5 e <NA> e Chuck Charles C. Berry (858) 534-2098 Dept of Family/Preventive Medicine E mailto:cberry at tajo.ucsd.edu UC San Diego http://biostat.ucsd.edu/~cberry/ La Jolla, San Diego 92093-0717

...l=1:6, ...) matplot(x=x, y=y, type=type, lty=lty, lwd=lwd, pch=pch, col=col, add=TRUE, ...) and similarly for matpoints. Chuck Berry -- Charles C. Berry (858) 534-2098 Dept of Family/Preventive Medicine E mailto:cberry@tajo.ucsd.edu UC San Diego http://hacuna.ucsd.edu/members/ccb.html La Jolla, San Diego 92093-0645 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help&quot...

...status = Patched major = 1 minor = 0.0 year = 2000 month = February day = 29 language = R Search Path: .GlobalEnv, Autoloads, package:base -- Charles C. Berry (858) 534-2098 Dept of Family/Preventive Medicine E mailto:cberry@tajo.ucsd.edu UC San Diego http://hacuna.ucsd.edu/members/ccb.html La Jolla, San Diego 92093-0645 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help&quot...

...r = 2001 month = 04 day = 26 language = R Search Path: .GlobalEnv, package:nls, package:nlme, package:ctest, Autoloads, package:base Chuck -- Charles C. Berry (858) 534-2098 Dept of Family/Preventive Medicine E mailto:cberry@tajo.ucsd.edu UC San Diego http://hacuna.ucsd.edu/members/ccb.html La Jolla, San Diego 92093-0645 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help&q...

...= 2001 month = 06 day = 22 language = R Search Path: .GlobalEnv, package:splines, package:survival, package:ctest, Autoloads, package:base > Charles C. Berry (858) 534-2098 Dept of Family/Preventive Medicine E mailto:cberry@tajo.ucsd.edu UC San Diego http://hacuna.ucsd.edu/members/ccb.html La Jolla, San Diego 92093-0645 -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help&...

...sessionInfo() R version 2.12.0 (2010-10-15) Platform: i386-apple-darwin9.8.0/i386 (32-bit) locale: [1] C attached base packages: [1] stats graphics grDevices utils datasets methods base > Charles C. Berry Dept of Family/Preventive Medicine cberry at tajo.ucsd.edu UC San Diego http://famprevmed.ucsd.edu/faculty/cberry/ La Jolla, San Diego 92093-0901

I am failing to uncover Sweave chunks step by step using the LaTeX beamer class. The following minimal example: \documentclass{beamer} \usepackage{Sweave} \begin{document} \begin{frame}[fragile] In the year \uncover<2->{25}\uncover<3->{\Sexpr{5*5}} \uncover<4->{ <<echo=TRUE, print=TRUE>>= 5*5*101 @ } \end{frame} \end{document} leads to an error message when