similar to: tabulate means & NA

Hello all, I am currently working with rpart to classify vegetation types by spectral characteristics, and am comming up with poor classifications based on the fact that I have some vegetation types that have only 15 observations, while others have over 100. I have attempted to supply prior weights to the dataset, though this does not improve the classification greatly. Could anyone supply some

I have a vague recollection of seeing a R-function that will output a table or matix in a format suitable for the tabular enviroment in LaTeX. But I cannot find it. Any hints? Bendix ---------------------- Bendix Carstensen Senior Statistician Steno Diabetes Centre Niels Steensens Vej 2 DK-2820 Gentofte Denmark tel: +45 44 43 87 38 mob: +45 28 25 87 38 fax: +45 44 43 73 13 bxc at novo.dk

I was wondering if R had a data mining componant and how i could get it. If not do you know anyone who is developing a datamining "plug in" for R Phillip Goodreid -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe"

When I read a table (the dimnames of the table are numbers), R reads the column names as: X plus the number (X1,X2,X3,...) and the rownames as the numbers (1,2,3,...) How can I suppress this action? The code and the output: ^^^^^^^^^^^^^^^^^^^^^^^^ > r2<-read.table("h:\\matrix",header=T,dec=",",na.strings="-99") > dimnames(r2) [[1]] [1] "500"

Rather than spend a tedious interactive session picking several (in fact most) of the library packages off the CRAN site one by one, it would be handy to be able to grab the lot in one go (they seem to add up to about 24MB, so it's not a huge download). Is there a way to do this? Thanks for the help. Ted. -------------------------------------------------------------------- E-Mail: (Ted

I'm using R to manipulate some data for testing nebulisers. I have a data frame as follows: Volt ABal 0.4208 A1 0.3982 AF 0.4353 B1 0.3954 BF 0.4355 C1 0.3975 CF 0.4345 I also have a calibration curve loaded Voltage NaF LogNaF 1 0.3588 20 1.30103 2 0.3990 100 2.00000 3 0.4391 500 2.69897 If I try to

Hi! I am looking for a R library by which i can load images (i found pixmap that allows it to do). But in addition i need methods to access the data, get them for example as an array or matrix to do with this data some processing. 1. Is there a method in the pixmap library to access the matrix in which the image data is stored. 2. Is there an alternative library running under MS Windows?

Hi everybody, I want to download the spatial library but I don't find it at the CRAN list package. Where can I find the package ? I have to download it to use the function correlogram. Thanks in advance, Paola. -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info",

Hello Spse I have a matrix, say 1 2 3 4 5 6 7 8 9 and I would like to expand it by repeating rows within the matrix, to get, if the repeating factor is 2, say: 123 123 456 456 789 789 (or columnwise as well) . There must be a smart way of doing that? Many thanks Juhana Vartiainen juhana.vartiainen at labour.fi -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-

Hi, a questionaire data-set with more than one row for one Person make me problems. (1) i want create a function which count the used row for the relevant id ! example: id c.row 1 1 1 2 1 3 2 1 2 2 4 1 4 2 4 3 4 4 4 5 (2) i have got a problem to filter & analyse , because the filter criteria is unlucky a row above or under the ratings which i would like to

Good day: Let's say that I have a data frame in S-Plus 2000 (Win98 version). I want to use the same data frame with R on another computer. Questions: 1) Can R read S-Plus data frames? Can S-Plus 2000 read R data frames? 2) How can i move the data frame between the two systems? Do I need to use dump()? Thank you.

Howdy! Could somebody point me to some good introductory readings about data mining and descriptive data analysis? I'm a psychologist and a couple of times I realized that some things just don't appear in psychological literature, e.g. I've never seen a box plot anywhere in psych journals so I'm not familiar with them. The R help function is great when it comes to explaining

hi listees- Running windows 2000 and r 0.99 or 1.00; I get different lines on screen and print out: > j<-read.table("jnk.rin",head=T,sep="\t") > attach(j) > #gives lines I want > qqnorm(Dog,pch="o",main="Cumulative Frequency Log Dog Size",log="y",sub="Figure 2",x =c(-3,3),ylim=c(2000,1000000)) >

I have the following FORTRAN code converted to a DLL: ! my_xmean.f90 ! ! FUNCTIONS/SUBROUTINES exported from my_function.dll: ! my_function - subroutine ! subroutine my_xmean(X,N,XMEAN) ! Expose subroutine my_function to users of this DLL ! !DEC$ ATTRIBUTES DLLEXPORT,C,REFERENCE,ALIAS:'my_xmean_'::my_xmean ! Body of my_function DOUBLE PRECISION X(N) XMEAN=0D0 DO J=1,N

Dear R users, I am trying to fit the following ANCOVA model in R2.4.0 Y_ij=mu+alpha_i+beta*(X_ij-X..)+epsilon_ij Particularly I am interested in obtaining estimates for mu, and the effects alpha_i I have this data (from the book Applied Linear Statistical Models by Neter et al (1996), page 1020) y<-c(38,43,24,39,38,32,36,38,31,45,27,21,33,34,28)

Dear R-user, I wish to know if someone is using R as concern Datamining or KDD (Knowledge Discovery in Database) and if already exists a R package specialized in this kind of analysis. I found this contributes on the R web site: [20] Diego Kuonen. Introduction au data mining avec R : vers la reconqu??te du `knowledge discovery in databases' par les statisticiens. Bulletin of the Swiss

Dear all there's something. that puzzles me about what R is :-) "R is available as Free Software under the terms of the Free Software Foundation's GNU General Public License in source code form." (Source: http://www.r-project.org/about.html) But, looking at the second paragraph of the same site, you see this: "... and R provides an Open Source route to

Dear all there's something. that puzzles me about what R is :-) "R is available as Free Software under the terms of the Free Software Foundation's GNU General Public License in source code form." (Source: http://www.r-project.org/about.html) But, looking at the second paragraph of the same site, you see this: "... and R provides an Open Source route to

Hi Everybody I use R2.8.0 on Mac OS X. I set up LyX 1.6.1 to use Sweave today. I can compile the test file I found on CRAN ( http://cran.r-project.org/contrib/extra/lyx/) without a problem and the output looks very nice. In the test file the following R code is used. <<myFirstChunkInLyX>>= xObs <- 100; xMean <- 10; xVar <- 9 x <- rnorm(n=xObs, mean=xMean, sd=sqrt(xVar))

Dear all, I have some problems installing R-1.2.0 under Red Hat Linux 6.0 using Kernel 2.2.46 on an i686. $ pwd /usr/R-1.2.0 $ ./configure --with-f2c --prefix=/usr/R-1.2.0 ... $ make $ make install ... $ bin/R nothing happens... $ ls -al bin/R -rwxr-xr-x 1 root root 0 Dec 16 09:50 bin/R shows me that the file is empty :-( I finally remarked