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 629 of 675 Previous 100   Previous 10   621   622   623   624   625   626   627   628   629   630   Next 10  

how to generate a function from a linear model

Hi All I am trying to generate a function from a linear model. I think there should be build-in function that perform this action but I 've had no luck finding it. For example I have a mode

sink to file

Hello I would like to use the source(command) and write the output into a file. I am using outputfile file( "output.txt " open "wt ") sink(outputfile type "output ") source( "input.R " echo TRU

How to read in .jpeg files

In case others are looking for a simple way to read in .jpeg files as ordinary matrices here is my solution. I am only interested in greyscale images so you will have to alter the following if y

integration function

Dear R users I have tried to write a function which gives the step-wise integral for an exponential function (moving from -3 to 3 in steps of 0.1 where the output for every step shall be the

Rare Cases and SOM

I am trying to understand how the SOM algorithm works using library(class) SOM function. I have a 1000*10 matrix and I want to be able to summarize the different types of 10-element vectors. In my

Installing R packages in windows

I need to install a selected set of packages on a number of machines (in a computer lab). Some of these machines are not connected to internet. Is it possible to download all the packages and make a k

Is anyone using the MiniR distribution?

I currently build two different versions of each Windows binary the rwXXXX.exe full installation program (with the next release looking to be around 25 Megabytes) and a series of 8 diskette-sized

Output from function to a tcltk window

I would like to display output to a tcltk window from e.g. a call to summary(). I tried to get something else than oneliners into a text window of the kind found at http //bioinf.wehi.e

Handling large data sets via scan()

I 'm trying to read in datasets with roughly 150 000 rows and 600 features. I wrote a function using scan() to read it in (I have a 4GB linux machine) and it works like a charm. Unfortunately conve

graphics examples

Hi I have put up some web pages containing a number of plots (and diagrams) produced using R (they correspond to the figures for a book that I am working on about R graphics) with the relevant R

Off topic help-- But interesting behavior on XP Professional

Please excuse the off topic question but some of you certainly have very significant computer savvy beyond R and statistics and I would like to tap that knowledge. I do not believe this to be an R

Opening for a Statistics Practitioner in San Francisco

Statistics Practitioner Fluent in R - San Francisco CA Loyalty Matrix Inc. in downtown San Francisco is expanding our team. We are a young dynamic and growing team of multidisciplinary marketin

normality test on truncated data

I tried to use shapiro.test or ks.test to check the normality of some data the problem is the distribution function is a mixture of a Gaussian and some other distributions at the tails. The hypot

filling a string buffer in a C routine

I am trying to write a C function that reads lines from a file and passes them back to R. Here is a simplified version --- C code --- #include <R.h > void read_file(char **filename char **

Is error hardware or workstation specific

I am working on a Dell Latitude D800 laptop computer with an Intel processor running Windows XP Professional. The problem I describe below has occurred while running R versions 1.9.1 and 2.0.1. Th

Uninstalling R from Mac OS X

Hello Could you tell me how to uninstall R from Mac OS X (10.3)? I am not too familiar with terminal or the command line so a GUI removal would be better however I would like to remove every t

Re; [R] nonparametric manova

Vera Hofer asks " Dear colleagues has anyone an idea how to carry out a nonparametric manova for comparing 3 groups? Thank you for your help. Vera " One approach would be to carry out a

two issues (black and white trellis graphics)

On the first issue there 's a recent post you can find in the archives. It 's from Deepayan Sarkar on January 2 this year. It would probably pop up on a search for "black white lattice " or something

subset data.frame with value != in all columns

I am trying to extract rows from a data.frame based on the presence/absence of a single value in any column. I 've figured out how to do get the positive matches but the remainder (rows without thi

two issues

I 'm working on a graphic but have run into a road block about two issues. I don 't have a color printer so I want to produce the graphic in black and white. I 'm currently using this statement t

help on "stack " function

So in fact I have a data wich colnames are "id " "VEMS5A " "VEMS6A " "VEMS7A " "VEMS8A " "VEMS9A " "VEMS10A " "VEMS11A " "VEMS12A " "VEMS13A " "VEMS14A " "VEMS15A " "VEMS16A " "VEMS17A " "VEMS18A " "cohort ")

Course***R/S System: Advanced Programming,
   San Francisco *** March 31st-Ap

XSolutions Corp (www.xlsolutions-corp.com) is proud to announce our "Advanced R/Splus programming " course taught by R Development Core Team Guru! www.xlsolutions-corp.com/Radv.htm *********San

Surprising Behavior of 'tapply '

Dear all I wanted to make a two-way-table of two variables with a counting variable stored in another column of a dataframe. In version 1.9.1 the behavior is as expected as shown in the simplif

Re: [R] Logistic regression coef. Was: If this is should be posted
   elsewhere,

Well in principle there are general stats lists and newsgroups and this is not specifically an R question. However people around here have been known to contribute information about statistical

he^lp on "stack " function

Excuse me. I don 't understant how to use the function "stack ". I 'm not sure to know the good syntax. I 've got a data witch column names are the time when the mesures was done and an other

If this is should be posted elsewhere, please advise

Hi I am puzzled by the relationship between the p-values asociated with the coefficients of a univariate logistic regression involving categorical variables and the p-value I get from Fisher 's

Efficient selection and alteration of dataframe records

Hi All I am writing a simulation that examines the effects of species extinctions on ecological communties by sequentially removing individuals of a given species (sometimes using weighted pro

How to convert a list to a matrix

Hi Sorry to ask such a basic question. I have a list each element of which is a vector of two values. What I actually want is a matrix with two columns and one row per element of the list. O

Handling R Objects in C++

Hello! I want R to call some functions from my DLL which is written on C++ using Microsoft Visual C++ 6.0. I 've looked through "Writing R extensions " manual and "FAQ for Windows ". I achieved th

Memory Cap

Hi all I am trying to use R for some data editing using the "array " function to write binary data to a text file. I realise that R was not designed for this purpose but I am no C programmer and
Page 629 of 675 Previous 100   Previous 10   621   622   623   624   625   626   627   628   629   630   Next 10