[R] Merging two columns with a single value

__ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.

Re: [R] filling an array, vectorized

Tamas first of all, Thank You for a really well-posed, interesting problem. Answer follows. do.index - function(a,f){ jj - function(i){seq_len(dim(a)[i])} index - as.matrix(expand.grid(sapply(1:length(dim (a)),jj,simplify=FALSE))) a[index] - apply(index,1,f) return(a) } f -

Re: [R] trouble loading example package

This appears to be about Windows, unstated! On Thu, 16 Nov 2006, Charles Annis, P.E. wrote: Greetings: I've installed Rtools, MikTeX, perl, minGW, and HTML Help Workshop, and have succeeded in making, checking (using R CMD check mypkg) then building the simple example

Re: [R] Dotmatrix Plots

The details and address for package 'dna' *are* in the R FAQ section 5.1. For some reason he calls 'MS executables' the non-executable binary packages for Windows users of R. On Thu, 16 Nov 2006, Marwan Khawaja wrote: -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL

Re: [R] Interaction and factor ':'

On Thu, 16 Nov 2006, Hong Ooi wrote: Not sure if this counts as a bug or not, but I just noticed in R 2.4.0 that : and interaction are not quite equivalent. For example: Well, that depends on what you mean by 'equivalent', a word that is not used in the help you quote but is used in help(:).

[R] Problems with principal components analysis PCA with prcomp

Dear friends, I am beginning to use R software in my academic research and I'm having some problems regarding the use of PCA. I have a table with 24445 rows and 9 columns, and I used the function prcomp() to do the analysis. Working with an example…: x-read.table(test.txt, header=T)

[R] Error in str(its-object)

Dear all, Many thanks for your help and advice. Now I understand the situation much better. Concerning the multiplication workaround, I would - as already indicated in my first email - prefer to use core() rather than the deviation to a zoo object. (im - its(mat)) core(im) - core(im) * scale

[R] lme4 package: Fitted values and residuals

Dear all, I have three concerns: 1) I am running models with the lme4 package. I cannot find a way to pull out a vector of the fitted values and the residuals. Does anybody know how to do it? 2) How can I nest a random effect variable into a two-level fixed effect variable? 3) Suppose I have the

Re: [R] Dotmatrix Plots

Jeff, Does anyone know what happened to the dna library or the dotmatrix function? For the life of me, I can't find it anywhere with the exception of this reference: http://rss.acs.unt.edu/Rdoc/library/dna/html/dotmatrix.html Thanks! Jeff. you may also have a look at the

Re: [R] filling an array, vectorized

Gabor Tamas yet again I find myself trumped by Gabor because I forget that TRUE is a perfectly acceptable argument to [. Heh. I'll stick do.index2() in the magic package. best wishes rksh On 16 Nov 2006, at 11:27, Gabor Grothendieck wrote: Here is minor simplification: do.index2 -

Re: [R] trouble loading example package

Yes, I am using WindowsXP on a 3 year old DELL machine with 2 gig. I apologize to Professor Ripley and our other helpers for my omission. I also tried R CMD build --binary mypkg, as was suggested by Benilton Carvalho, and with a similar error message. I don't think I want binaries in any event.

Re: [R] trouble loading example package

Thank you, Benilton. I started over from scratch, and this time, using R CMD build --binary mypkg I was successful. I am not sure where I made my original mistake, but I think it was in overlooking one of the instruction/comment lines in mypkg-package.Rd Thank you again for your help.

[R] Looking for greater floating-point precision

Dear All For my calculations, I am needing to use more floating-point precision than the default one of R. Is that possible? And, if yes, how? Thanks in advance, Paul __ R-help@stat.math.ethz.ch mailing list

[R] RBloomberg Package Problem

Hi R-Experts, I'm currently using R 2.4.0 in Windows XP. I'm trying to download data from Bloomberg using the package RBloomberg, but it fails to install the three needed packages zoo, chron and 'Rbloomberg. Moreover I am not able to find RBloomberg package as windows binary in CRAN site as

Re: [R] Simple Questions

The Brown-Forsyth homogeneity of variance test, including a graph, is included in the HH package that you can download from CRAN __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide

Re: [R] Looking for greater floating-point precision

On Thu, 16 Nov 2006, Paul Smith wrote: For my calculations, I am needing to use more floating-point precision than the default one of R. Is that possible? And, if yes, how? See package gmp (but that will be slow and cumbersome for all but simple calculations). The real issue is that R

[R] Stochastic SEIR model

Dear colleagues, I’m a new R-help user. I’ve read the advertisements about the good manners and I hope to propose a good question. I’m using R to build an epidemiological SEIR model based on ODEs. The odesolve package is very useful to solve deterministic ODE systems but I’d like to perform a

Re: [R] RBloomberg Package Problem

Never used it but if you look down the check list on Windows: http://cran.r-project.org/bin/windows/contrib/checkSummaryWin.html for RBloomberg we see it has an error in attempting to access one of its dependent packages. See if building it yourself or going back to R 2.3.1 helps. On

[R] modifying colnames of tables in a loop

Hi, I have a list with the names of tables, e.g. l - c(t1,t2,t3) and I want to change the colnames of each of the tables in a for loop like this: for (x in l) { colnames(eval(x)) - lower.case(colnames(eval(x))) } This does not work but could someone give me some help to get on the right

Re: [R] Problems with principal components analysis PCA with prcomp

Hello Carlos, # let me save you a couple steps here x-read.table(test.txt, header=T, row.names=1) pca-prcomp(x, scale=T) names(pca) ## here begin my problems… know what…??## Try this for a graphical view of your data: biplot(pca) You might also want to work through the examples given in

Re: [R] Stochastic SEIR model

On Thu, Nov 16, 2006 at 02:55:07PM +0100, Massimo Fenati wrote: Dear colleagues, I’m a new R-help user. I’ve read the advertisements about the good manners and I hope to propose a good question. I’m using R to build an epidemiological SEIR model based on ODEs. The odesolve package is very

Re: [R] RBloomberg Package Problem

The RDCOMClient is available from a different repository http://www.omegahat.org/R You can include it in the list of repositories being searched on Windows using the Packages menu in the R GUI and then select the entry Select repositories and include Omegahat in the selection. Or just install

Re: [R] modifying colnames of tables in a loop

how about: for (x in l) colnames(get(x)) - lower.case(colnames(get(x))) b On Nov 16, 2006, at 9:01 AM, Werner Wernersen wrote: Hi, I have a list with the names of tables, e.g. l - c(t1,t2,t3) and I want to change the colnames of each of the tables in a for loop like this: for (x in l) {

[R] FW: RBloomberg Package Problem

Yes...And the dependent package is RDCOMClient. I was using R 2.2.0...The downloading process was smooth...But not in R 2.4.0...why is this so? Could you reply me ASAP? -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Gabor Grothendieck Sent:

Re: [R] Stochastic SEIR model

Dear Max, Check out the BUGS software available (free) at http://www.mrc-bsu.cam.ac.uk/bugs/. It is easy to use and there are several packages in R which comport with the varying BUGS programs (R2WinBUGS, bRugs, rbugs, etc.). Best wishes, Amy Paternostro

Re: [R] RBloomberg Package Problem

Hello Experts, This is error I get in downloading RDCOMClient... /**/ install.packages(RDCOMClient, + repos = http://www.omegahat.org/R;) Warning: unable to access index for repository http://www.omegahat.org/R/bin/windows/contrib/2.4 Warning in

Re: [R] RBloomberg Package Problem

Shubha Vishwanath Karanth wrote: Hello Experts, This is error I get in downloading RDCOMClient... /**/ install.packages(RDCOMClient, + repos = http://www.omegahat.org/R;) Warning: unable to access index for repository

Re: [R] RBloomberg Package Problem

Thanks for your reply... Then...Is it not good to download bloomberg data from R? I also saw that the RBloomberg package has some error in the site http://cran.r-project.org/bin/windows/contrib/checkSummaryWin.html; specified by you. Also, while downloading intraday data, even after specifying

[R] X-fold cross validation function for discriminant analysis

Hi all, I ran a discriminant analysis with some data and want to get a general idea of prediction error rate. Some have suggested using X-fold cross validation procedure. Anyone know if there is a function for this in R? Thanks, Wade [[alternative HTML version deleted]]

Re: [R] modifying colnames of tables in a loop

That's almost perfect! Only the operation colnames(get(x)) - seems not to be defined. Now I can't figure out how to assign the colnames of the object in the original environment. Thanks, Benilton! --- Benilton Carvalho [EMAIL PROTECTED] schrieb: how about: for (x in l) colnames(get(x))

Re: [R] Code for Screenshots graphics (following on from ease-of-use issues on www.r-project.org)

Patrick Drechsler patrick at pdrechsler.de writes: Knut M. Wittkowski wrote: Apologies if this is the wrong list, but could somebody put the information on how to create the graphs on http://www.r-project.org/screenshots/screenshots.html (or a link to these instructions) next to the

Re: [R] RBloomberg Package Problem

Yes...just now I tried it in my Bloomberg machine and yupp it is working... Thank you so much on this... But this works on any R version? Also, some times while downloading the data, with the code, I get warning message, NA's introduced due to Coersion...then I will not see the data

Re: [R] how to create this design matrix?

Dear Michael, If I follow what you want to do, which is not altogether certain, what you're describing as the design matrix is intended to constitute the left-hand side of the model. That is, your d1,1, ..., d1,12 are the 12 response variables. If so, I'm not sure why you think that my original

Re: [R] Stochastic SEIR model

Thanks for your fast advises. A simple examples of SEIR model is shown below: #expample of very simple SEIR model# library(odesolve) times-seq(0,1200,1) parms-c( b=0.35, #BETA OR COEFFICIENT OF TRANSMISSION pl=1/7, #LATENCY g=1/21, #RECOVERY

Re: [R] modifying colnames of tables in a loop

try the following (untested): tb1 - tb2 - tb3 - matrix(1:100, 10, 10, dim = list(NULL, LETTERS[1:10])) lis - list(tb1, tb2, tb3) for(i in seq(lis)){ tb - get(lis[[i]]) colnames(tb) - tolower(colnames(tb)) assign(lis[[i]], tb) } I hope it helps. Best, Dimitris Dimitris

Re: [R] The W statistic in wilcox.exact

Jue: In R, wilcox.test does not actually do the Wilcoxon, but the Mann Whitney test. While the tests are equivalent, the former is based on the rank sum, while the latter is based on the sum of u-scores. Thus the need to convert the rank sum into the sum of u-scores. In S, in contrast,

[R] silhouette plot colors from trimkmeans solution

I was trying to create a multi-color silhouette plot (each cluster a different color) from clusters created by trimkmeans. This works straighforwardly on an object created from pam however my colors are interwoven when I try the same approach on clusters from trimkmeans. I also tried sorting

[R] Newbie problem ... Forest plot

Hello! I have some data stored into 2 separate csv file. 1 file (called A.csv) (12 results named Group1, Group2, Group3, etc...) odds ratios, 2 file (called B.csv) 12 corresponded errors. How to import that data into R and make forest plot like I saw inside help file Rmeta and meta with

[R] Gantt chart problem after upgrade to R 2.4.0

I am having a problem with a gantt chart since moving to R2.4.0. from 2.3.1 I made some adaptations to the code from http://addictedtor.free.fr/graphiques/RGraphGallery.php?graph=74 and successful produced a simple gantt chart. However when I upgraded to 2.4.0 it no longer works as desired.

Re: [R] silhouette plot colors from trimkmeans solution

Dear Joe, I'd try to think it over if you sent me a reproducible example, i.e., example data, and code showing what you did with the pam output (how you'd like to have it) and with the trimkmeans output (which should be improved). Best, Christian On Thu, 16 Nov 2006, Joseph Retzer wrote: I

Re: [R] filling an array, vectorized

Robin == Robin Hankin [EMAIL PROTECTED] on Thu, 16 Nov 2006 11:54:38 + writes: Robin Gabor Robin Tamas Robin yet again I find myself trumped by Gabor because I forget that Robin TRUE is a perfectly acceptable argument to [. Robin Heh. Robin I'll stick

[R] question about capscale (vegan)

Hello, I am interested in using the capscale function of vegan package of R. I already have a dissimilarity matrix and I am intended to use it as 'distance' argument. But then, I don't know what kind of data must be in 'comm' argument. I don't understand what type of data must be referred as

Re: [R] modifying colnames of tables in a loop

Thanks Phil and Dimitris! This works perfectly! At this stage I am not concerned about efficiency although I am curious if there is a way to do without copying, for instance with pointers like in C. Thanks again, Werner --- Dimitris Rizopoulos [EMAIL PROTECTED] schrieb: try the following

Re: [R] X-fold cross validation function for discriminant analysis

how hard is it to write one though? On 11/16/06, Wade Wall [EMAIL PROTECTED] wrote: Hi all, I ran a discriminant analysis with some data and want to get a general idea of prediction error rate. Some have suggested using X-fold cross validation procedure. Anyone know if there is a function

Re: [R] X-fold cross validation function for discriminant analysis

Hi, Wade: Some functions in R have n-fold cv themselves. For example, if you are looking for a linear discriminant analysis (lda {MASS}), it comes with a leave-one-out cv in which n equals the size of training sample, and it gives you pretty good estimation of error rate. But be advised, this

Re: [R] X-fold cross validation function for discriminant analysis

One option is the Bioconductor package MLInterfaces that provides a unified interface for several machine learning alrogirithms and methods for cross-validation etc. See the algorithms web site for details. -Christos Christos Hatzis, Ph.D. Nuvera Biosciences, Inc. 400 West Cummings Park Suite

Re: [R] X-fold cross validation function for discriminant analysis

Apologies for the typos there. I meant to say see the Bioconductor web site for details. -Christos -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Christos Hatzis Sent: Thursday, November 16, 2006 11:53 AM To: 'Wensui Liu'; 'Wade Wall' Cc:

Re: [R] Stochastic SEIR model

Dear Massimo This site have some code that may help you to get started. http://www.statistik.lmu.de/~hoehle/software/ Also if you want to take an agent-based approach, you may want to take a look at the simecol package Regards, Francisco Massimo Fenati wrote: Thanks for your fast

Re: [R] panel function in a conditioned lattice graphic

I had some code that used to work in an old version of multcomp: herbcover - read.delim(http://anthony.darrouzet-nardi.net/downloads/herbcover.txt;) herbcover$date - as.POSIXct(strptime(herbcover$date, %Y-%m-%d)) herbcover$block - factor(herbcover$block) herbcover$treatment -

Re: [R] question about capscale (vegan)

Hi Alicia, On 11/16/06, Alicia Amadoz [EMAIL PROTECTED] wrote: 'comm' argument. I don't understand what type of data must be referred as 'species scores' and 'community data frame' since my data refer to nucleic distances between different sequences. comm would be the original data from

Re: [R] question about capscale (vegan)

Sorry, one additional note: You don't need to specify comm to use capscale. Ignore what I said about modifying the function. Sarah -- Sarah Goslee http://www.functionaldiversity.org __ R-help@stat.math.ethz.ch mailing list

[R] stacked area chart

Dear helpeRs, anyone knows how to obtain a stacked area chart in R? I mean one of the graph that is used for representing compositional data along time. Thanks in advance, domenico __ R-help@stat.math.ethz.ch mailing list

[R] overwriting S4 methods

Hi, Overwriting existing functions with new versions is done pretty easily by sourcing the altered versions. I tried the same for a S4 package method, but this resulted in an error message (complaining about arguments). The new method version is the old one but with an additional argument.

Re: [R] question about capscale (vegan)

On Thu, 2006-11-16 at 17:25 +0100, Alicia Amadoz wrote: Hello, I am interested in using the capscale function of vegan package of R. I already have a dissimilarity matrix and I am intended to use it as 'distance' argument. But then, I don't know what kind of data must be in 'comm' argument.

[R] Draw overlap ellipse in R

Dear list, I am trying to plot 4 overlapping ellipse showing the overlap among 4 data sets. Could any one suggest how to make this plot with R? Thanks! /Mike _ Stay up-to-date with your friends through the Windows Live Spaces

Re: [R] question about capscale (vegan)

Nice catch, Gavin - I missed that part of the original post. The nucleic distances need to be included as the left-hand-side of the formula, not as the distance argument. comm is still optional, though, but it's not a good idea to omit it if there's any way you can provide the original data. From

Re: [R] stacked area chart

--- Domenico Vistocco [EMAIL PROTECTED] wrote: Dear helpeRs, anyone knows how to obtain a stacked area chart in R? I mean one of the graph that is used for representing compositional data along time. Thanks in advance, domenico

[R] How Aggegate Data in R

Hello: When I use SPSS I execute the AGGREGATE DATA comand for the next data: 2112141123212213212213334 3143244113442312121213344 2114141123112214212113344 2112211122212413421213221 311123442414343413344 231223122321323223322 2143241123212313131213234 21132411132123131

Re: [R] modifying colnames of tables in a loop

Try this: tb1 - tb2 - tb3 - matrix(1:100, 10, 10, dim = list(NULL, LETTERS[1:10])) head(tb1) lis - c(tb1, tb2, tb3) for(d in lis) colnames(.GlobalEnv[[d]]) - tolower(colnames(.GlobalEnv[[d]])) head(tb1) lis - list(tb1 = data.frame(1:100, 10, dim = list(NULL, LETTERS[1:10]), 3) lis -

Re: [R] How Aggegate Data in R

Having no SPSS I have to resort to deductive inference. It seems that you want to make a frequency table of the occurence of these 25 digit strings, hence ?xtab ?table spring to mind. I have the faint suspicion that seeing this as 25 variables might be less efficient than seeing it as one 25

[R] using glht to replace simint in the multcomp package

Reposting this because I had the wrong subject on the the last message... I had some code that used to work in an old version of multcomp: herbcover - read.delim(http://anthony.darrouzet-nardi.net/downloads/herbcover.txt;) herbcover$date - as.POSIXct(strptime(herbcover$date, %Y-%m-%d))

[R] how to realize integration in C?

Hi, all, In order to save simulation time, I need to call C in R. For the C codes, I need integrate certain functions ( both continous and discrete ), I wonder how to realize the integration in C? I try to use qsimp and trapzd subroutines from Numerical Recipes. But the error continues to

Re: [R] lme4 package: Fitted values and residuals

On 11/16/06, Frank Johannes [EMAIL PROTECTED] wrote: Dear all, I have three concerns: 1) I am running models with the lme4 package. I cannot find a way to pull out a vector of the fitted values and the residuals. Does anybody know how to do it? The fitted() and resid() extractor functions

[R] NONPAR package question

Dears, I d like to know, whether the nonpar package still exists in R? That including function chisq.gof? Since I want to know whether my data were fitted well with the chosen distribution function? I use ks.test that works fine but function chisq.test does not work good it require more work...

Re: [R] data storage/cubes and pointers in R

Piet van Remortel [EMAIL PROTECTED] writes: Hi all, [...] Intuitively, I would like to be able to slice the data in a 'data- cube' kind of way to query, analyze, cluster, fit etc., which resembles the database data-cube way of thinking common in de db world these days. (

Re: [R] how to realize integration in C?

R has integration routines in its C API: see `Writing R Extensions'. On Thu, 16 Nov 2006, Lynette Sun wrote: Hi, all, In order to save simulation time, I need to call C in R. For the C codes, I need integrate certain functions ( both continous and discrete ), I wonder how to realize the

Re: [R] data storage/cubes and pointers in R

Perhaps I do not understand, but the array (?array) and manipulation of array objects and their components are a fundamental paradigm of R. How is this not **exactly** what you want to do? Perhaps a specific reproducible example might be informative... Bert Gunter Nonclinical Statistics 7-7374

Re: [R] ??: Re:??: Re:??: Re: Need help in waveslim package: imodwt and univer sal.thresh.modwt

Airon, I'm not sure I have understood your question. Anyway, it seems to me that you'll have to code a little. Take a look at ?modwt. I think you'll have to put zeros each scale a time except the one you want to reconstruct. Then do imodwt. After some small loop, I think you'll get the desired

[R] getting a title in a plot during an lapply

In my code below tempa and tempb are numeric vectors that I combined into a dataframe along with the deciles of tempa. I have an lapply statement that goes through the dataframe and does ten plots according to the appropriate decile. The code is below and it works fine. There are no bugs so I

Re: [R] Repeated measures by lme and aov give different results

RSiteSearch(lme and aov) returned 350 hits for me just now. I'm sure that many are not relevant to your question, but I believe some are. Beyond this, there is now and R Wiki, accessible via www.r-project.org - Documentation: Wiki (or directly as

Re: [R] Repeated measures by lme and aov give different results

Nothing personal against Spencer. However, I feel that the response was similar to just saying, Let's not use the listserv anymore. Personally, I find most, if not all, of the questions to be very helpful. I use them to learn the language. When something looks over-my-head, I put it in a folder

Re: [R] Repeated measures by lme and aov give different results

Vicki, take a look at P. 47 of the book by Pinheiro and Bates, if you have a copy (if not, get one!) They show the analysis of a split-plot design using lme there. Here, both aov and lme are estimating two levels of variation. The key difference is that with aov the Ring-level variation is not

Re: [R] how to realize integration in C?

Hi, Thank you for your suggestions. But I also realized I didn't make myself clear. I actually don't just need the integration results in R. The integration in C is part of my C codes. I need the integration results in C. How to realize that? Any suggestions? Thanks a lot! Best, Lynette

[R] .rdata files

Help! I accidentally saved my work as an .rdata format instead of .txt I need to somehow get it saved as a .txt file otherwise i'm really in trouble! Does anyone know how to convert .rdata to .txt files?? I also tried re-loading the file into R to see if i can re-save it but it doesnt work! i've

Re: [R] getting a title in a plot during an lapply

Mark In my code below tempa and tempb are numeric vectors that I combined into a dataframe along with the deciles of tempa. I have an lapply statement that goes through the dataframe and does ten plots according to the appropriate decile. The code is below and it works fine. There are no

Re: [R] RBloomberg Package Problem

I seem to get that error/warning NA's introduced due to Coercion when I ask for too much intraday data at once. There are limits to what can come back in one call, and probably the error checking/correcting needs help. Why not take a look at the R code and see if you have any ideas. It might be a

Re: [R] Stochastic SEIR model

see also: http://www.zoo.ufl.edu/bolker/eid/ __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal,

[R] Average sample size

Hi there! I need a piece of advice obtaining the average of 4 samples from different sample sizes. lets's see that my numbers are: 6,3,6 and 15 and each one comes from: 100,130,125 and 33 sample sizes. I need a command in R to solve this! I guess it should not be complicated but... it happens

Re: [R] Average sample size

How about ?weighted.mean Dan Daniel J. Nordlund Research and Data Analysis Washington State Department of Social and Health Services Olympia, WA 98504-5204 -Original Message- From: [EMAIL PROTECTED] [mailto:r-help- [EMAIL PROTECTED] On Behalf Of Pablo Andres Sent: Thursday,

Re: [R] .rdata files

i've attached a solution. it works perfectly here (R2.4, win XP) and is really fast. there's no way you can go wrong using it. (read the posting guide, ?load, and ?write.table) On 11/17/06, tt [EMAIL PROTECTED] wrote: Help! I accidentally saved my work as an .rdata format instead of .txt I

Re: [R] lme4 package: Fitted values and residuals

2006/11/16, Douglas Bates [EMAIL PROTECTED]: On 11/16/06, Frank Johannes [EMAIL PROTECTED] wrote: Dear all, I have three concerns: 1) I am running models with the lme4 package. I cannot find a way to pull out a vector of the fitted values and the residuals. Does anybody know how to do

[R] :dendrogram reorder question

Hi, I have problem of reordering in the heatmap. Followering is an example code: require(graphics) x - as.matrix(mtcars) rc - rainbow(nrow(x), start=0, end=.3) cc - rainbow(ncol(x), start=0, end=.3) hv - heatmap(x, col = cm.colors(256), scale=column,

[R] s.e. on interaction plots

Is it possible to add standard error bars to the means on interaction plots? Thanks Murray -- Murray Pung Statistician, Datapharm Australia Pty Ltd 0404 273 283 [[alternative HTML version deleted]] __ R-help@stat.math.ethz.ch mailing list

[R] Forming SQL Query at run-time

Hi. I am trying to get data from mysql database using a couple of queries. I do one query to find out the indexes. Then i need to use these indexes in another query, but i keep getting errors. Here is something: numb - dbSendQuery(con2, select distinct(comparison) from table1) count -

Re: [R] Forming SQL Query at run-time

On Thu, 16 Nov 2006 20:21:29 -0800 Rahul Thathoo [EMAIL PROTECTED] wrote: Hi. I am trying to get data from mysql database using a couple of queries. I do one query to find out the indexes. Then i need to use these indexes in another query, but i keep getting errors. Here is something:

[R] Large data Problem

Hi R-Experts, I'm having a problem with reading a large data file which is in .csv format and size is 120 MB (app.). I was trying to use RODBC package but I found RODBCconnectExcel function only. And can I convert this file to .dbf format? How can I read this file? And also let me

Re: [R] Large data Problem

Sumanta consider using read.csv which is a special case of read.table ?read.csv as for the RODBC functions, you probably found odbcConnectExcel, but the help file there mentions a .dbf connections ?odbcConnectDbase from there using sqlQuery it should be possible to write a .dbf file.

Re: [R] .rdata files

?load should be entered into R. you should probably consider reading the intro to R documents to get a better grasp of the basics. Were I a fortune teller, I would predict a poor grade in you class if you are required to use R and don't take the time to read the intro docs. Now, say you have an

Re: [R] Dotmatrix Plots

Well, I would not call R packages 'MS executables'! But Jim is critical of some R conventions -- see his notes on the webpage http://popgen.unimaas.nl/~jlindsey/rcode.html Bestest Marwan -- Marwan Khawaja http://staff.aub.edu.lb/~mk36

Re: [R] how to realize integration in C?

On Thu, 16 Nov 2006, Lynette Sun wrote: Hi, Thank you for your suggestions. But I also realized I didn't make myself clear. I actually don't just need the integration results in R. The integration in C is part of my C codes. I need the integration results in C. How to realize that? Any