[R] conversion into capital letter

Dear all, I would need a function which convert small letter into capital letter (at least the first letter of a character variable). Does such a function exist in R ? Thanks by advance Jessica __ R-help@stat.math.ethz.ch mailing list

Re: [R] conversion into capital letter

Try ?toupper -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Tuesday, May 15, 2007 12:11 PM To: R-help@stat.math.ethz.ch Subject: [R] conversion into capital letter Dear all, I would need a function which convert small letter

[R] Odp: conversion into capital letter

[EMAIL PROTECTED] napsal dne 15.05.2007 08:41:27: Dear all, I would need a function which convert small letter into capital letter (at least the first letter of a character variable). Does such a function exist in R ? ?toupper, ?tolower Regards Petr Thanks by advance Jessica

Re: [R] conversion into capital letter

help(toupper) b On May 15, 2007, at 2:41 AM, [EMAIL PROTECTED] wrote: Dear all, I would need a function which convert small letter into capital letter (at least the first letter of a character variable). Does such a function exist in R ? Thanks by advance Jessica -- Benilton

Re: [R] conversion into capital letter

On Tue, 2007-05-15 at 08:41 +0200, [EMAIL PROTECTED] wrote: Dear all, I would need a function which convert small letter into capital letter (at least the first letter of a character variable). Does such a function exist in R ? Thanks by advance Jessica See ?toupper and take note

[R] Bootstrap sampling for repeated measures

Dear R users, I'm having some problems trying to create a routine for a bootstrap resampling issue. Suppose I've got a dataset like this: Header inr inf .weeks ... insideaboveunder 12800012.75 2.5 ..0

[R] step in Sweave

Dear peRsons, I have a Sweave document which demonstrates the usage of step() function. With current R version 2.5.0 the step() function was changed so that the heading of trace=TRUE output for each model is printed using command message(): if (trace) message(\nStep: AIC=,

[R] textConnection

hello, I don't understand what's happen just before the textConnection function runs good but now it doesn't run Line[1] [1] if C325=. then C743=(C152/C103)*100| else C743=(C152/C325)*100 textConnection(Line[1]) Erreur dans textConnection(Line[1]) : toutes les connexions sont utilisées why R

Re: [R] textConnection

It means what it says. You do need to close() connections, as there is a finite number available. (The number depends on your unstated version of R, but is at least 50.) On Tue, 15 May 2007, elyakhlifi mustapha wrote: hello, I don't understand what's happen just before the textConnection

[R] sliding window approach

Dear all, I would like to know if there is any R package that uses a sliding window approach to assess statistical significance out of my data. My data is composed of DNA sequences (of variable length) that are mapped to a genome with a determined score of alignment. So, I want to see if I

[R] space in R

hello, can you help me I need to seperate words and symbol in a mathematics formula as follow C744=(C627*C177)/100 How could I do please? _ [[alternative HTML version deleted]]

Re: [R] space in R

elyakhlifi mustapha wrote: hello, can you help me I need to seperate words and symbol in a mathematics formula as follow C744=(C627*C177)/100 How could I do please? If you need to simply split a character vector, use strsplit. This and previous your posts suggest you need to

[R] Bootstrap sampling for repeated measures

Dear R users, I'm having some problems trying to create a routine for a bootstrap resampling issue. Suppose I've got a dataset like this: Header inr weeks . 12800012.47 0 ... 12800011.48 1 ... 1280001

Re: [R] qr.solve and lm (addition)

Vladimir Eremeev wrote: Dear R experts, I have a Matlab code which I am translating to R in order to examine and enhance it. First of all, I need to reproduce in R the results which were already obtained in Matlab (to make sure that everything is correct). There are some matrix

Re: [R] qr.solve and lm (SOLVED)

Vladimir Eremeev wrote: Dear R experts, I have a Matlab code which I am translating to R in order to examine and enhance it. First of all, I need to reproduce in R the results which were already obtained in Matlab (to make sure that everything is correct). There are some matrix

Re: [R] New mailing list: R for psychology research

2007/5/14, Andy Fugard [EMAIL PROTECTED]: Hello all, There's a new mailing list for researchers in psychology who are learning and using R. New users of R are especially welcome. Hi List Does anyone know if there is a special list for researchers in medicine using R? -- A. Goralczyk,

Re: [R] space in R

1. Use this gsub: txt - C744=(C627*C177)/100 gsub(\\b|([^[:alnum:]]), \\1 , txt) and then strsplit or scan as in prior response. 2. If your text consists of valid R expressions then we can use the R parse function can traverse the tree as shown: txt - C744=(C627*C177)/100 e - parse(text =

Re: [R] Efficient computation of trimmed stats?

the following seems a bit better: set.seed(1) nc - 30 nr - 25000 x - matrix(rnorm(nc*nr), ncol = nc) g - matrix(sample(1:3, nr*nc, rep = TRUE), ncol = nc) # trimmedMeanByGroup1 - function(y, grp, trim=.05) tapply(y, factor(grp, levels=1:3), mean, trim=trim)

[R] Matrix package: writeMM

Hi, I'm finding that readMM() cannot read a file written with writeMM(). Example: library(Matrix) a = Matrix(c(1,0,3,0,0,5), 10, 10) a = as(a, CsparseMatrix) writeMM(a, kk.mm) b = readMM(kk.mm) Error in validObject(.Object) : invalid class dgTMatrix object: all row indices must be between 0

[R] aov problem

I am using R to make two-way ANOVA on a number of variables using g - aov(var ~ fact1*fact2) where var is a matrix containing the variables. However the outcome seem to be dependent on the order of fact1 and fact2 (i.e. fact2*fact1) gives a slightly (factor of 1.5) different result. Any ideas

[R] QR Decompositon and qr.qty

Dear R people, I do not have much knowledge about linear algebra but currently I need to understand what the function qr.qty is actually doing. The documentation states that it calculates t(Q) %*% y via a previously performed QR matrix decomposition. In order to do that, I tried following

Re: [R] aov problem

Anders Malmendal wrote: I am using R to make two-way ANOVA on a number of variables using g - aov(var ~ fact1*fact2) where var is a matrix containing the variables. However the outcome seem to be dependent on the order of fact1 and fact2 (i.e. fact2*fact1) gives a slightly (factor of

Re: [R] QR Decompositon and qr.qty

You need complete = TRUE. See ?qr.Q m - matrix(c(1,0,0,0,1,0,0,0,1,0,0,1), ncol = 3) y - matrix(c(1,2,3,4,2,3,4,5,1,1,1,1,2,2,2,2), nrow = 4) t(qr.Q(qr(m), complete = TRUE)) %*% y [,1] [,2] [,3] [,4] [1,] -1 -2 -1 -2 [2,] -4 -5 -1 -2 [3,]3412 [4,] -2

Re: [R] QR Decompositon and qr.qty

You've missed the complete=TRUE argument (and also crossprod) as in crossprod(qr.Q(qr(m), TRUE), matrix(c(1,2,3,4,2,3,4,5,1,1,1,1,2,2,2,2),nrow=4)) On Tue, 15 May 2007, Sebastian Bauer wrote: Dear R people, I do not have much knowledge about linear algebra but currently I need

[R] Re : Bootstrap sampling for repeated measures

Hi, If it was me I would have done this - First reshape the data frame to get some thing like header measure1 measure3 measure3 12800012.471.482.23 ... Since you have same number of measure for all subject. The you define you statistic with the data

[R] * within quote

hello, I have an argument of a the list a like this a[[18]] [1] C744=(C627*C177)/100 and I wanna seperate the character and the mathematics symbol to use it like a formula and why when I used the strsplit function i obtain as follow strsplit(a[[18]], '\\W') [[1]] [1] C744 C627 C177

Re: [R] Conditional Sums for Index creation

All, Happy to say that the problem could be solved. The key idea was from Patrick Burns (Convert the data-frame to a matrix!). As written earlier, the steps were to first get a object (call it ad) containing the non-missing entries at each row. Then run a sum over each row, selecting only

[R] Problem with lme4

Hi - I'm having a problem trying to use the function GLMM() from lme4. Here is what happens: library(lme4) Loading required package: Matrix Loading required package: lattice f1 - GLMM(success~yearF, data=quality, random=~1|bandnumb, family=binomial, method=PQL) Error: couldn't find

Re: [R] Conditional Sums for Index creation

Sending in plain text, as the html version doesn't seem to go through.. Best, -Tir From: Patnaik, Tirthankar [GWM-CIR] Sent: Tuesday, May 15, 2007 2:55 PM To: '[EMAIL PROTECTED]' Cc: r-help@stat.math.ethz.ch; [EMAIL PROTECTED] Subject: RE: [R] Conditional

Re: [R] * within quote

On 5/15/07, elyakhlifi mustapha [EMAIL PROTECTED] wrote: hello, I have an argument of a the list a like this a[[18]] [1] C744=(C627*C177)/100 and I wanna seperate the character and the mathematics symbol to use it like a formula and why when I used the strsplit function i obtain as

Re: [R] Problem with lme4

the lme4 function you want is probably lmer() type ?lmer btw. your R is very old we are at 2.5.0 ... Stefan Amelie LESCROEL wrote: Hi - I'm having a problem trying to use the function GLMM() from lme4. Here is what happens: library(lme4) Loading required package: Matrix

[R] Testing for existence inside a function

Hi. I'm having trouble testing for existence of an object inside a function. Suppose I have a function: f-function(x){ ... } and I call it with argument y: f(y) I'd like to check inside the function whether argument y exists. Is this possible, or do I have to either check outside the

[R] Anova Test

Hi, I am very new to R. I am trying to perform an Anova Test and see if it differs or not. Basically, i have 4 tests and 1 control. Tester Test1 Test2 Test3 Test4 Control 20 25 1510 17 The inference is at alpha=0.05. they are all independent. I am trying to find if

[R] apologies for any corss-posting R package for conjoint choice questionnaire design (not analysis)????

Hi all, I want to develop a choice based questionnaire and I need to generate a set of choice tasks The design is comprised of four attributes (5*3*3*3) with the following 5price 3brand 3service 3installation I need to determine the minimum no of choice tasks which can be used

Re: [R] Anova Test

CrazyJoe keizer_61 at hotmail.com writes: I am very new to R. I am trying to perform an Anova Test and see if it differs or not. Basically, i have 4 tests and 1 control. Tester Test1 Test2 Test3 Test4 Control 20 25 1510 17 You can't make any

[R] Odp: Anova Test

Hi [EMAIL PROTECTED] napsal dne 15.05.2007 16:39:20: Hi, I am very new to R. I am trying to perform an Anova Test and see if it differs or not. Basically, i have 4 tests and 1 control. Tester Test1 Test2 Test3 Test4 Control 20 25 1510 17 The

Re: [R] Testing for existence inside a function [Broadcast]

Not sure which one you want, but the following should cover it: R f - function(x) c(x=missing(x), y=exists(y)) R f(1) x y FALSE FALSE R f() x y TRUE FALSE R y - 1 R f() xy TRUE TRUE R f(1) x y FALSE TRUE Andy From: Talbot Katz Hi. I'm having

Re: [R] Testing for existence inside a function [Broadcast]

Hi, Andy. Thank you for the quick response! Unfortunately, none of these are exactly what I'm looking for. I'm looking for the following: Suppose object y exists and object z does not exist. If I pass y as the value of the argument to my function, I want to be able to verify, inside my

Re: [R] Anova Test

Thank you Guys. Let say that from Test1 to control i have multiple data Tester Test1 Test2 Test3 Test4 Control 20 25 1510 17 . . . . . . . . . . 40 20 1535 45 Is this

[R] xyplot key using grid.text

Hello, I am trying to print the lm coefficients using grid graphs (code below), and am getting all the coefficients on top of each other. My aim is to put them as legend, showing both coefficients and mean values separated by colors as shown in xyplot. testData - data.frame(f1 =

Re: [R] Testing for existence inside a function

Just need a bit more work: R f - function(x) exists(deparse(substitute(x))) R f(y) [1] FALSE R y - 1 R f(y) [1] TRUE R f(z) [1] FALSE Andy From: Talbot Katz Hi, Andy. Thank you for the quick response! Unfortunately, none of these are exactly what I'm looking for. I'm looking for

Re: [R] Anova Test

[EMAIL PROTECTED] napsal dne 15.05.2007 17:32:35: Thank you Guys. Let say that from Test1 to control i have multiple data Tester Test1 Test2 Test3 Test4 Control 20 25 1510 17 . . . . . . . .

[R] stacked barplot with positive and negatvie values

Hello I'm trying to create a barplot with a couple of stacked positive values and with one negative value for each group. example: trees-c(20,30,10) shrubs-c(12,23,9) veg-c(2,3,4) soil-c(-100,-123,-89) example1-t(cbind(trees,shrubs,veg)) barplot(example1) #this works so far #but now:

Re: [R] Anova Test

If your data is inside a data.frame names 'a' with data from each group in a different columns,..., you can use stack and perform the anova with: l - aov(values~ind,data=stack(a)) anova(l) Christophe Pallier On 5/15/07, CrazyJoe [EMAIL PROTECTED] wrote: Thank you Guys. Let say that from

Re: [R] Re : Bootstrap sampling for repeated measures

justin bem wrote: Hi, If it was me I would have done this - First reshape the data frame to get some thing like header measure1 measure3 measure3 12800012.471.482.23 ... Since you have same number of measure for all subject. The you define

[R] Vignette for MiscPsycho Package

By the end of the day I will have a vignette completed for MiscPsycho. This vignette lays out the mathematical details for the primary functions in the package and provides substantive examples on how to use these functions in a sample session. This vignette will ultimately end up being

[R] Anova F-Test

Basically, i have 4 tests and 1 control. For example. Tester Test1 Test2 Test3 Test4 20 25 1510 30 45 10 15 .. .. .. .. .. .. .. .. 15 23 1345 The inference is at

Re: [R] Testing for existence inside a function

Hi. Thanks once more for the swift response. This solution works pretty well. The only small glitch is if I pass the function an argument with the same name as the function argument. That is, suppose x is the argument name in my user-defined function, and that object x does not exist. If I

Re: [R] Testing for existence inside a function

Try this modification: chk - function(x) exists(deparse(substitute(x)), parent.env(environment())) ab - 1 chk(ab) [1] TRUE exists(x) [1] FALSE chk(x) [1] FALSE On 5/15/07, Talbot Katz [EMAIL PROTECTED] wrote: Hi. Thanks once more for the swift response. This solution works pretty

[R] Optimized File Reading with R

Dear All, Hope I am not bumping into a FAQ, but so far my online search has been fruitless I need to read some data file using R. I am using the (I think) standard command: data_150-read.table(y_complete06000, header=FALSE) where y_complete06000 is a 6000 by 40 table of numbers. I am puzzled at

Re: [R] Testing for existence inside a function

Another thing to watch out for is that an argument to a function can be an expression (or even literal constants), instead of just the name of an object. exists() wouldn't really do the right thing. I'm not sure how to properly do the exhaustive check. Andy From: Gabor Grothendieck Try this

Re: [R] Optimized File Reading with R

If it's a matrix, use scan(). If the columns are not all the same type, use the colClasses argument to read.table() to specify their types, instead of leaving it to R to guess. That will speed things up quite a lot. Andy From: Lorenzo Isella Dear All, Hope I am not bumping into a FAQ, but

[R] sobre tutorial

Estimado, te agradeceria me envies el tutorial en espaniol para R. Estoy dando mis primeros pasos con esta aplicacion. Desde ya muchas gracias Danilo Ceschin Ph.D IGBMC 1 rue Laurent Fries 67404 ILLKIRCH CEDEX - FRANCE tel 33 3 88 65 3457 email [EMAIL PROTECTED]

Re: [R] Testing for existence inside a function

Maybe this: chk2 - function(x) { chr - deparse(substitute(x)) e - parse(text = chr) structure(exists(chr, parent.env(environment())), is.name = length(e) == 1 is.name(e[[1]])) } chk2(1) # structure(FALSE, is.name = FALSE) ab - 1 chk2(ab+1) # structure(FALSE,

Re: [R] sobre tutorial

Hello, There are a number of resources (in Spanish) at the bottom of the page http://es.wikipedia.org/wiki/Lenguaje_de_programación_R Regards, Carlos J. Gil Bellosta http://www.datanalytics.com On Tue, 2007-05-15 at 18:49 +0200, Danilo Ceschin wrote: Estimado, te agradeceria me envies el

[R] efficient way of aggregating two variables at once

Hi, I'm working out d' and therefore I'd like to aggregate two variables at once (hits and false alarms). In the raw data frame is subject, stimulus_presence, and response information. I aggregate this into a table now currently by separating out the target_presence=true data

Re: [R] Testing for existence inside a function

I think parent.frame() is what is wanted, not parent.env(environment()) in your suggested solution: Consider this: (which does **not** however handle the arbitrary expressions as argument issue): foo1 - function(z){ cat(exists(deparse(substitute(z)),parent.frame()),

Re: [R] Optimized File Reading with R

If you execute the same script several times and the data file does not change, it may be a good idea to save it as an R object: if (file.access('mydata.obj',0)==0) { load('mydata.obj') } else { a-read.table(mydata.csv,...) save(a,file='mydata.obj') } It

Re: [R] Testing for existence inside a function

Right. Thanks. It should have been parent.frame(). Here is the correction: chk3 - function(x) { chr - deparse(substitute(x)) e - parse(text = chr) structure(exists(chr, parent.frame()), is.name = length(e) == 1 is.name(e[[1]])) } chk3(1) # structure(FALSE, is.name

[R] How to extract R codes that embedded in a HTML file using Stangle?

I'm using R2HTML package to generate reports, but don't know how to extract R codes from .rnw files using Stangle. It seems Stangle only works on ..tex file that has R codes embedded. Thanks, Tao _ Hotmail.

Re: [R] Optimized File Reading with R

On Tue, 15 May 2007, Lorenzo Isella wrote: Dear All, Hope I am not bumping into a FAQ, but so far my online search has been fruitless I need to read some data file using R. I am using the (I think) standard command: data_150-read.table(y_complete06000, header=FALSE) where

Re: [R] Optimized File Reading with R

Prof Brian Ripley wrote: On Tue, 15 May 2007, Lorenzo Isella wrote: Dear All, Hope I am not bumping into a FAQ, but so far my online search has been fruitless I need to read some data file using R. I am using the (I think) standard command: data_150-read.table(y_complete06000,

Re: [R] stacked barplot with positive and negatvie values

On Tue, 2007-05-15 at 17:54 +0200, Paul Magdon wrote: Hello I'm trying to create a barplot with a couple of stacked positive values and with one negative value for each group. example: trees-c(20,30,10) shrubs-c(12,23,9) veg-c(2,3,4) soil-c(-100,-123,-89)

Re: [R] stacked barplot with positive and negatvie values

On 5/15/07, Marc Schwartz [EMAIL PROTECTED] wrote: On Tue, 2007-05-15 at 17:54 +0200, Paul Magdon wrote: Hello I'm trying to create a barplot with a couple of stacked positive values and with one negative value for each group. example: trees-c(20,30,10) shrubs-c(12,23,9)

Re: [R] Testing for existence inside a function

Talbot Katz wrote: I'm having trouble testing for existence of an object inside a function. No, you are having trouble testing for existence of an object _before_ the function is called :-) Suppose I have a function: f-function(x){ ... } and I call it with argument y: f(y)

[R] Getting default aspect ratio from lattice

How can I get the value of the aspect ratio that is used in a lattice plot? In a levelplot for instance, the native units per cm of my x and y axes are different, and I need to know the aspect ratio so that I can correctly plot vectors. I know how to set the aspect in a high-level lattice

Re: [R] sobre tutorial

Danilo, http://cran.r-project.org/other-docs.html#nenglish Manuel Castejón Limas, Joaquín Ordieres Meré, Fco. Javier de Cos Juez, and Fco. Javier Martínez de Pisón Ascacibar. Control de Calidad. Metodologia para el analisis previo a la modelización de datos en procesos industriales.

Re: [R] Anova Test

have a look at the examples in ?aov. Also not that npk is a dataframe in this example --- CrazyJoe [EMAIL PROTECTED] wrote: Thank you Guys. Let say that from Test1 to control i have multiple data Tester Test1 Test2 Test3 Test4 Control 20 25 1510 17 .

Re: [R] Testing for existence inside a function

On 5/15/2007 3:06 PM, Alberto Monteiro wrote: Talbot Katz wrote: I'm having trouble testing for existence of an object inside a function. No, you are having trouble testing for existence of an object _before_ the function is called :-) Suppose I have a function: f-function(x){ ...

Re: [R] confidence intervals on multiple comparisons

Enrico, prop.test is for testing proportions two at a time. If you want to test for differences between 4 proportions simultaneously (rather than two at a time), try a logistic regression model (from which you can get confidence intervals for each of your groups). Cody Hamilton, PhD Staff

Re: [R] Testing for existence inside a function

Duncan Murdoch wrote: Try this: f - function(x) x + 1 f(y.does.not.exist) y.does.not.exist The error message is (almost) the same, and it happens when parsing the line. There's no way to change f to change this. That description is true in some languages, but not in R. R doesn't

Re: [R] confidence intervals on multiple comparisons

-Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Tuesday, May 15, 2007 12:52 PM To: Salvatore Enrico Indiogine Cc: R-help@stat.math.ethz.ch; [EMAIL PROTECTED] Subject: Re: [R] confidence intervals on multiple comparisons

Re: [R] How to extract R codes that embedded in a HTML file using Stangle?

Tao Shi wrote: I'm using R2HTML package to generate reports, but don't know how to extract R codes from .rnw files using Stangle. It seems Stangle only works on ..tex file that has R codes embedded. Stangle is meant for Rnw files, not for html ... Uwe Ligges Thanks, Tao

[R] Building package on Windows

Hello, I have been trying to build a package for R to use on windows. I have been able to build it with out problems except for one thing. I am creating a zip file to be installed by the R gui. I have four directories under the main dir. I have data, man, R, and src. The problem that I have

Re: [R] Optimized File Reading with R

An apology: it takes roughly a couple of minutes on my laptop, running Debian. I had been running some other simulations for quite some time and, though it looks odd for Linux, the subsequent work I did with R was slowed down. Many thanks Lorenzo Peter Dalgaard wrote: Prof Brian Ripley

[R] JOB: Data Analyst

Boxwood Means, a financial services consultancy specializing in the small balance mortgage sector and REIT analysis, is seeking a Data Analyst. Boxwood maintains several large databases of real estate transactions around the nation as well as financial information on publicly traded equities.

Re: [R] Getting default aspect ratio from lattice

On 5/15/07, Waichler, Scott R [EMAIL PROTECTED] wrote: How can I get the value of the aspect ratio that is used in a lattice plot? In a levelplot for instance, the native units per cm of my x and y axes are different, and I need to know the aspect ratio so that I can correctly plot vectors.

Re: [R] Problem with lme4

It should be lmer(success ~ yearF + (1 | bandnumb), data=quality, family = binomial, method = PQL) Reza On 5/15/07, Stefan Grosse [EMAIL PROTECTED] wrote: the lme4 function you want is probably lmer() type ?lmer btw. your R is very old we are at 2.5.0 ... Stefan Amelie LESCROEL

Re: [R] How to installation of R on Unix (SunOs 5.8)

Dr. Ripley, Thanks for you reply and hints. I was able to install R on the Unix system (SunOs 5.8) by issuing the following commands: ./configure --with-readline=no --with-iconv=no make It may lose some functionality by specifying these options, I guess. But I use Unix R only when I need to

Re: [R] Problem with lme4

On 5/15/07, Seyed Reza Jafarzadeh [EMAIL PROTECTED] wrote: It should be lmer(success ~ yearF + (1 | bandnumb), data=quality, family = binomial, method = PQL) It has to be method = PQL (the quotes are important) except that the PQL method is no longer an option in lmer. Beginning with

[R] How to group a count

Hello R users I have a dataset that has different types of records with different dates and times pertaining to each. I would like to have a bar graph of a count of the types(ie. The number of types) of recods by hour grouped by year. So the count of the types would be the y axis, the hour on

Re: [R] Barplot by two variables

Thanks for your solution, it worked perfectly, it was exactly what I wanted. I do have two more questions and hope you can help. I have another analysis exactly like the last one except it is done by month instead of year. When I graph it using barchart it makes the months go in alphabetical

Re: [R] How to group a count

Here is my data. I tried table but it doesn't do what I want it to do when it graphs. I want a count of the types (R for one graph and A for another) by hour grouped by year. Hope that helps. ID,,MM,DD,HH,MM,Type YEG,2002,01,01,01,24,A YEG,2002,01,01,02,40,R YEG,2002,01,01,05,39,R

Re: [R] How to group a count

On 5/15/07, Spilak,Jacqueline [Edm] [EMAIL PROTECTED] wrote: Hello R users I have a dataset that has different types of records with different dates and times pertaining to each. I would like to have a bar graph of a count of the types(ie. The number of types) of recods by hour grouped by

Re: [R] How to group a count

On 5/15/07, Spilak,Jacqueline [Edm] [EMAIL PROTECTED] wrote: Here is my data. I tried table but it doesn't do what I want it to do when it graphs. I want a count of the types (R for one graph and A for another) by hour grouped by year. Hope that helps. ID,,MM,DD,HH,MM,Type

[R] Efficiently reading random lines form a large file

I need to read two different random lines at a time from a large ASCII file (120 x 296976) containing space delimited 0-1 entries. The following code does the job and it's reasonable fast for my needs: lineNumber = sample(120, 2) line1 = scan(filename, what = integer,

Re: [R] Efficiently reading random lines form a large file

On Tue, 2007-05-15 at 16:02 -0700, Juan Pablo Lewinger wrote: I need to read two different random lines at a time from a large ASCII file (120 x 296976) containing space delimited 0-1 entries. The following code does the job and it's reasonable fast for my needs: lineNumber =

[R] converting a row of a data.frame to a vector

I've searched for the answer to this in the help list archive, but wasn't able to get the answer to work. I'm interested in converting a row of a data.frame into a vector. However, when I use as.vector(x,[1,]) I get another data.frame, instead of a vector. (On the other hand, when I use

Re: [R] Getting default aspect ratio from lattice

How can I get the value of the aspect ratio that is used in a lattice plot? In a levelplot for instance, the native units per cm of my x and y axes are different, and I need to know the aspect ratio so that I can correctly plot vectors. I know how to set the aspect in a

Re: [R] converting a row of a data.frame to a vector

probably something like, unlist(x[1,]) HTH. H. Andrew Yee [EMAIL PROTECTED] 5/15/2007 4:37 PM I've searched for the answer to this in the help list archive, but wasn't able to get the answer to work. I'm interested in converting a row of a data.frame into a vector. However, when I use

Re: [R] Getting default aspect ratio from lattice

On 5/15/07, Waichler, Scott R [EMAIL PROTECTED] wrote: How can I get the value of the aspect ratio that is used in a lattice plot? In a levelplot for instance, the native units per cm of my x and y axes are different, and I need to know the aspect ratio so that I can correctly

Re: [R] converting a row of a data.frame to a vector

If the data frame has factors and numeric vectors, there is a question on what form you want the row vector to be in. Only a data frame (list) can have a mixture of the two. Consider: dat - data.frame(x=1:3, y=4:6, z=letters[1:3]) (r1 - dat[1,]) x y z 1 1 4 a class(r1) [1] data.frame (r1

[R] Problem with Sweave

I am using R 2.5 on a Linux Redhat platform. I can successfully run some example *.Rnw files through Sweave and generate pdf files. When I try my own example file, test.Rnw: \documentclass[a4paper]{article} \title{Test Sweave Example} \author{Thomas Adams} \begin{document} \maketitle In this

Re: [R] Problem with Sweave

On 15/05/2007 9:22 PM, Thomas Adams wrote: I am using R 2.5 on a Linux Redhat platform. I can successfully run some example *.Rnw files through Sweave and generate pdf files. When I try my own example file, test.Rnw: \documentclass[a4paper]{article} \title{Test Sweave Example}

Re: [R] Problem with Sweave

Duncan, Thank you for your help — that certainly did the trick. With Sweave being new to me, I somehow missed the obvious… Regards, Tom Duncan Murdoch wrote: On 15/05/2007 9:22 PM, Thomas Adams wrote: I am using R 2.5 on a Linux Redhat platform. I can successfully run some example *.Rnw

[R] log rank test p value

How can I get the Log - Rank p value to be output? The chi square value can be output, so I was thinking if I can also have the degrees of freedom output I could generate the p value, but can't see how to find df either. (survtest - survdiff(Surv(time, cens) ~ group, data = surv,rho=0)) Call:

Re: [R] Building package on Windows

On Tue, 15 May 2007, Eglin, Jason wrote: Hello, I have been trying to build a package for R to use on windows. I have been able to build it with out problems except for one thing. I am creating a zip file to be installed by the R gui. I have four directories under the main dir. I have

Re: [R] log rank test p value

On Wed, 2007-05-16 at 11:54 +1000, Murray Pung wrote: How can I get the Log - Rank p value to be output? The chi square value can be output, so I was thinking if I can also have the degrees of freedom output I could generate the p value, but can't see how to find df either. (survtest -

[R] Reshape a sparse matrix

Hi, I'd like to reshape a sparse matrix generated from the Matrix package. I can't seem to do it with the command dim(A) - c(6,9) which works perfectly with the base package matrices, but with the sparse matrices it errors with Error in dim(A) = c(6, 9) : dim- : invalid first argument

[R] GLMM for unbalanced data

Hi friends, I need some help regarding generalized linear mixed model of unbalanced data. 1. Is their any package for applying Monte-Carlo Newton-Raphson (MCNR) or Monte-Carlo EM (MCEM) to estimate fixed and random effects? 2. My data is unbalanced (groups having unequal number of

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