Subjects
Home
Reasons to Use R
Block comments in R?
R in Industry
Wikibooks
Conservative "ANOVA tables " in lmer
read spss (package foreign) and SPSS 15 0 files
importing excel file
Ryacas not working properly
Making a case for using R in Academia
eval(parse(text vs get when accessing a function
New project: littler for GNU R
Reading fixed column format
sas get problem
screen resolution effects on graphics
do call( "+ ", )
axis command and excel time format
Making TIFF images with rtiff
Test internet presence
how to get "lsmeans "?
Off topic:Spam on R help increase?
kate editor for R
Install RMySQL with R 2 4 0
Barplot
Rserve and R to R communication
Re: R package development in windows BayesianFilter detected
Statitics Textbook any recommendation?
to draw a smooth arc
regular expression
Hardware for a new Workstation for best performance using R
Bad optimization solution
Suggestions for statistical computing course
Evaluation of defaults in functions
help comparing two median with R
zero random effect sizes with binomial lmer
lattice and several groups
subsetting, aggregating and zoo
Matrix multiplication using apply() or lappy() ?
R package development in windows
Lining up x y datasets based on values of x
Debugging R 's code: boxplot stats
A function for raising a matrix to a power?
subset
Replacement in an expression can 't use parse()
[R] Timings of function execution in R [was Re: R in Industry]
acos(0 5) == pi/3 FALSE
Help with interfacing C & R
R and clinical studies
read fwf and header
setting new working directories
random uniform sample of points on an ellipsoid (e g WG
Weighted least squares
Loop with string variable AND customizable "summary " output
rename cols
Regarding Vista
Multiple Conditional Tranformations
multinomial logistic regression with equality constraints?
A coding question involving variable assignments in ifelse()
help went away from top emacs window : (
Large matrix into a vector
scripts with littler
Links
Home
Official R Project Site
 
Search:  
Power your search with and, or, +, -, or "some phrase" operators.
rhelp
Page 110 of 675 Previous 100   Previous 10   101   102   103   104   105   106   107   108   109   110   Next 10   Next 100  

RSQLite NA on input

Hello I haev some .csv data files with missing values - eg below 1 'F ' 'C04 ' 'X100 ' 20.93 'C ' 'B ' 7 8 7.5 2421 2230 2230 2 1 85 43 85 46 48 60 If I have a missing value - so file looks like 85 46

dimensions of a all objects

Why will the following command not work sapply(objects() dim) What does it say about the objects list? What does it say about the dim command? Likewise the following also does not work all <-ls() for

min() return factor class values

Hi R-friends I don´t know why the "min() " function below return the min value as factor. When i force the aicc.min using a as.numeric() function it return a factor index (1 2 ..) and not min

a question of substitute

Hi all I want to write a wrapper for an analysis of variance and I face a curious problem. Here are two different wrappers fun.1 <- function(formula) { summary(aov(formula)) } fun.2 <- func

logistic regression in R - changing defaults

Hello I was hoping for some advice in changing 2 defaults in a logistic regression. 1. It looks like the first category is the reference category? In the following syntax 'where ' has 4 levels ho

contingency table analysis; generalized linear model

Dear List I would appreciate help on the following matter I am aware that higher dimensional contingency tables can be analysed using either log-linear models or as a poisson regression using a ge

Random effects and level 1 censoring

I have a question about constructing the likelihood function where there is censoring at level 1 in a two-level random effects sum. In a conventional solution the likelihood function is constructed

Multivariate OLS

Dear all R users Suppose I have a VECTOR of time series y[t] consists of 2000 data point. For example suppose I have data frame which has two columns. First column represents a time series of exchan

no linear model with many objects

Hi all Is any way to estimate the parameters of a curve not manualy from many subsets of my dataset [[alternative HTML version deleted]]

Partial proportional odds logistic regression

Just a follow-up note on my last posting. I still have not had any replies from the R-experts our there that use partial proportional odds regression (and I have to hope that there are some of you!)

A question about R environment

Hi all I created environment "mytoolbox " by mytoolbox <- new.env(parent baseenv()) Is there anyway I put it in the search path ? If you need some background In a project I often

Does strptime(...,tz= "GMT ") do anything?

Hi All In trying to correlate some tide gauge data I need to deal with varying timezones. From the documentation on strptime it seemed that the tz variable might have some effect on the conversio

spatio temporal plot

Altough I didn 't test it I think "rgl " package should do this. Regards Scionforbai

finer control of scales in xyplot

When plotting over multiple pages in lattice I 'd like to be able to have "same " scales within a page but "free " scales between pages. In other words something like z <-data.frame(x 1 100

memory problem --- use sparse matrices

> > > > > "UweL " Uwe Ligges <ligges@(protected) > > > > > > on Sun 07 Jan 2007 09 42 08 +0100 writes UweL > Zoltan Kmetty wrote > > Hi! > > > > I had some memory problem w

Boxplot issue

Dear R-users I have a data frame containing 2 colums column 1 is the patient numbers (totally 36 patients) column 2 is patient 's response values (each patient has 100 response values). If I produc

Cross-compilation of R and ld bug ?

Hello list I would like to cross-compile R packages using R 2.4.0. I am working on Linux Debian and cross-compiled (windows binaries) without problems with older R version. I have used the doc of Ya

Access, Process and Read Information from Web Sites

Dear R useRs Does any of you know if it is possible to access a web site (e.g. www.marriott.com) fill in the requested information (e.g. city check-in date etc) and save the results (e.g. roo

OLS in S+

Dear all Is there any equivalent of the function OLS in S+ in R? Thanks and regards megh

Simple spectral analysis

Hello world I am actually trying to transfer a lecture from Statistica to R and I ran into problems with spectral analysis I think I just don 't get it 8-( (The posting from "FFT frequs magnitudes

fSeries Package

Dear All I have used fbmSim to simulate a fbm sequence however when I tried to estimate the Hurst effect none of the nine procedures gave me an answer close enough to the real value which is 0.5

limitation in the number of covariates in nlme

Dear All I am fitting a nlme model in which I have 7 covariates. Adding one more variable to the model R gives me an error message “Error in parse(file n text prompt) syntax error i

Course announcement: STATISTICAL PRACTICE IN EPIDEMIOLOGY USING R

Course in STATISTICAL PRACTICE IN EPIDEMIOLOGY USING R

How to use Rattle for Data mining through R?

Dear Mr. Bengtsson Now i am able to work with R-Matlab interface comfortably. Thanks to you. Recently I came to know that R can be used for data mining as well. I went through the following site fo

garchFit in R

Dear all I have problem here I 'm using garchFit from fSeries package here is part of the script > data <- read.table( "d /data.txt ") > a <- garchFit(~garch(1 1) ts(data)) I al

R Training Course in Paris

Mango Solutions are pleased to announce the above course in Paris as part of our schedule for Q1 2007.

scripts with littler / subroutines

Hi (again) Another difficulty I 'm having is creating a common function (foo say) to share between two scripts. I 've tried making a third file containing the function and then sourcing it with sour

outsourcing R work

Dear Colleagues If you have a need to outsource any coding in R please check the web site of the Research Centre for Cheminformatics in Belgrade Serbia http //www.rcc.org.yu . We have skilled stati

Export dataframe to txt

Hi all Is there a function to export a dataframe to a text file? I want to store a large set of data which I have saved in a dataframe in my workspace and copy and past doesn 't cut it. Thank you B

scripts with littler

Hi I 'm trying to write R scripts using littler (under Debian) and was originally using the shebang line #!/usr/bin/env r However this picks up any .RData file that happens to be lying around wh
Page 110 of 675 Previous 100   Previous 10   101   102   103   104   105   106   107   108   109   110   Next 10   Next 100