Re: [R] Error Message Documentation

cjkogan111 wrote: Hello, I am new to R, and trying to work with it. I have a couple of quick questions. First, I made a program and got the following error message. -- Error in if

Re: [R] regarding chaos

[EMAIL PROTECTED] wrote: hi all, I have a simple question that does power spectral analysis related to capacity dimension, information dimension, lyapunov exponent, hurst exponent. Hurst Aanalysis is implemented in fSeries from Rmetrics. The following functions are available:

Re: [R] using table in R

hi, here's a way: attr(table(unlist(d)),'dimnames')[[1]] [1] 1 2 3 as.numeric(table(unlist(d))) [1] 1 1 2 soren - Original Message - From: Bingshan Li [EMAIL PROTECTED] To: jim holtman [EMAIL PROTECTED] Cc: r-help@stat.math.ethz.ch Sent: Sunday, September 17, 2006 6:14 AM Subject: Re:

[R] help on data frame and matrix

Hey, I am given a data frame, which actually contains a matrix. But I need to convert the data frame into a matrix so that I can use the matrix operators. Can anybody help me out? Thanks a lot. Thaleia [[alternative HTML version deleted]]

Re: [R] help on data frame and matrix

look at ?data.matrix() Best, Dimitris Dimitris Rizopoulos Ph.D. Student Biostatistical Centre School of Public Health Catholic University of Leuven Address: Kapucijnenvoer 35, Leuven, Belgium Tel: +32/(0)16/336899 Fax: +32/(0)16/337015 Web: http://med.kuleuven.be/biostat/

[R] help on sampling from Dirichlet process

Hey, I have a question on Dirichlet process. I am using a Dirichlet process as a prior. So I end up with a mixture distribution with a continuous component and a random number of discrete components at some mass-points. I tried some algorithms, but it's too too inefficient. Anyone know some

Re: [R] using table in R

You can use 'names' d = as.data.frame(matrix(c(1, 2, 3, 3), 2,2)) x - table(unlist(d)) x 1 2 3 1 1 2 names(x) [1] 1 2 3 On 9/17/06, Søren Merser [EMAIL PROTECTED] wrote: hi, here's a way: attr(table(unlist(d)),'dimnames')[[1]] [1] 1 2 3 as.numeric(table(unlist(d))) [1] 1 1 2

Re: [R] using table in R

This is the way to get the frequencies. But what I want is to store the elements in one vector and their frequencies in another vector. My problem is that when I call table to return the frequency table, I do not know how to extract these two vectors. I tried table(...)$dinnames and it did

Re: [R] using table in R

On Sun, 17 Sep 2006, jim holtman wrote: You can use 'names' d = as.data.frame(matrix(c(1, 2, 3, 3), 2,2)) x - table(unlist(d)) x 1 2 3 1 1 2 names(x) [1] 1 2 3 You can, but Søren was equally correct: names() on a 1D array actually looks up the dimnames. OTOH, we do really want to

[R] Insert R code in LaTeX document

Hello, i would like to insert R code in LaTeX document. I see something about the 'listings' package, but i would like if it is the best way and if it is possible to use the command \include{programme.R}. I have the following solution but it doesn't work with \include and \input == LaTex

Re: [R] Insert R code in LaTeX document

On Sun, 2006-09-17 at 16:45 +0200, Alexandre Depire wrote: Hello, i would like to insert R code in LaTeX document. I see something about the 'listings' package, but i would like if it is the best way and if it is possible to use the command \include{programme.R}. I have the following solution

Re: [R] help on data frame and matrix

--- Finosaur [EMAIL PROTECTED] wrote: I am given a data frame, which actually contains a matrix. But I need to convert the data frame into a matrix so that I can use the matrix operators. Can anybody help me out? Thanks a lot. Thaleia d - as.matrix(data.frame)

Re: [R] Insert R code in LaTeX document

Alexandre Depire depire at gmail.com writes: Hello, i would like to insert R code in LaTeX document. I see something about the 'listings' package, but i would like if it is the best way and if it is possible to use the command \include{programme.R}. I have the following solution but it

[R] Building the call of an arbitrary function

Hy all, Is there a direct way to build the complete function call of an arbitrary function? Here's what I want to do. A function will build a function which will itself call a probability density function for some law given in argument to the first function: f(gamma, 1000) will return,

Re: [R] Any other R users in Philadelphia?

Mitchell Maltenfort mmalten at gmail.com writes: I'm still new to R and wouldn't mind meeting other R users, at any level of experience. This list is as good a place as any. Other is an R conference. There may also be some undergrads at economics dept at UPenn. Anupam.

Re: [R] FW: R Reference Card and other help (especially useful for Newbies)

New users may also want to look at SciViews R Graphical User Interface(GUI). It can be a good learning tool. Its text based editor is basic compared to WinEdt with the R editing plug-in, or ESS and (X)Emacs combination. But it has point-and-click menus that help in writing code, and easy view of

Re: [R] Problem with Variance Components (and general glmmconfusion)

With minor modifications, I got your example to work. After reading in your 'testdata', I then made 'site' and 'Array' factors: testdata$site - factor(testdata$site) testdata$Array - factor(testdata$Array) # Note: S-Plus and R are case sensitive, so 'array' and 'Array' are two

[R] time series simulation

Hi everybody I'm trying to simulate a stochastic process in R. I would like consider n log normal time series. The first time serie has a growth rate lower than the second and so on. the initial time of the first serie is lower than the initial time of the second and so on. In the long run the

Re: [R] Building the call of an arbitrary function

Try this. We use do.call to call f with the args defined by ... except that we replace the first arg with ..1+a (where ..1 means first arg in R): F - function(f, a) function(...) do.call(match.fun(f), replace(list(...), 1, ..1 + a)) g - F(+, 1000) g(1,2) # 1003 On 9/17/06, Vincent

[R] Standard error of coefficient in linear regression

Hello R users, I have a substantial question about statistics, not about R itself, but I would love to have an answer from an R user, in form of an example in R syntax. I have spent whole Sunday searching in Google and browsing the books. I've been really close to the answer but there are at

Re: [R] Building the call of an arbitrary function

On 9/17/2006 12:36 PM, Vincent Goulet wrote: Hy all, Is there a direct way to build the complete function call of an arbitrary function? Here's what I want to do. A function will build a function which will itself call a probability density function for some law given in argument to the

Re: [R] Standard error of coefficient in linear regression

An easier way is to use summary() summary(lmfit) or summary(lmfit)$coefficients Estimate Std. Error t value Pr(|t|) (Intercept) 9.872541 5.2394254 1.884279 0.13262386 exped 3.681715 0.9294818 3.961040 0.01666313 or summary(lmfit)$coefficients[,2] (Intercept)

[R] Excluding columns from dataframe and selecting row records

Dear R-friends, I have to simple questions. First I would like to exclude some columns from a dataframe and after I need select rows that satisfy some conditions. My data frame looks like Region Species Bodysize Weigth Age Africa Sp1 10.2 20 2 Africa Sp2 12.2 12 2 Africa

[R] histogram frequency weighing

Fellow R-helpers, Suppose we create a histogram as follows (although it could be any vector with zeroes in it): R lenh - hist(iris$Sepal.Length, br=seq(4, 8, 0.05)) R lenh$counts [1] 0 0 0 0 0 1 0 3 0 1 0 4 0 2 0 5 0 6 0 10 0 9 0 4 0 [26] 1 0 6 0 7 0 6 0 8 0

Re: [R] Excluding columns from dataframe and selecting row records

Miltinho, On Sun, Sep 17, 2006 at 05:08:29PM -0300, Milton Cezar wrote: Dear R-friends, I have to simple questions. First I would like to exclude some columns from a dataframe and after I need select rows that satisfy some conditions. My data frame looks like Region Species Bodysize

[R] currency or stock trading strategy

Hi, are there any good charting and analysis tools for use with currencies, stocks, etc. in R? I have some tools to download currency data from the NYFRB using python and XML. Can we get and parse an XML download using R? Can we have interaction in R plots? Does anyone use R for back-testing

[R] Thousand separator in format of axis

Hi: How can i make that the numbers in the tick annotations of an axis be written as, say 20 000 and not 2 (i.e. with the little gap seprating thousands)? Thanks Ruben __ R-help@stat.math.ethz.ch mailing list

Re: [R] histogram frequency weighing

I think this should do it: lenh - hist(iris$Sepal.Length, br=seq(4, 8, 0.05))$counts lenh # original data [1] 0 0 0 0 0 1 0 3 0 1 0 4 0 2 0 5 0 6 0 10 0 9 0 4 0 1 0 6 0 7 0 6 0 [34] 8 0 7 0 3 0 6 0 6 0 4 0 9 0 7 0 5 0 2 0 8 0 3 0 4 0

Re: [R] Thousand separator in format of axis

format(1, big.mark= ) [1] 10 000 format(seq(1,10,1), big.mark= , scientific=FALSE) [1] 10 000 20 000 30 000 40 000 50 000 60 000 70 000 [8] 80 000 90 000 100 000 plot(seq(1, 10, 1), yaxt=n) axis(2, at=seq(1, 10, 1),

Re: [R] Thousand separator in format of axis

On Sun, 2006-09-17 at 17:47 -0400, Ruben Roa Ureta wrote: Hi: How can i make that the numbers in the tick annotations of an axis be written as, say 20 000 and not 2 (i.e. with the little gap seprating thousands)? Thanks Ruben There are several ways to format numbers: ?format

Re: [R] histogram frequency weighing

On Sun, 17 Sep 2006 15:12:30 -0500, Sebastian P. Luque [EMAIL PROTECTED] wrote: [...] I thought about some very contrived ways to accomplish this, involving 'which' and 'diff', but I sense a function might already be available to do this efficiently. I think I found a better combination of

Re: [R] histogram frequency weighing

On Sun, 17 Sep 2006 18:05:15 -0400, jim holtman [EMAIL PROTECTED] wrote: I think this should do it: [...] Thank you Jim, the idea with 'rle' is great. I missed your follow-up before mine a minute ago with another solution. I'll do some testing with both. Cheers, -- Seb

[R] merge gives me too many rows

Hi, I am using merge to add some variables to an existing dataframe. I use the option all.x=F so that my final dataframe will only have as many rows as the first file I name in the call to merge. With a large dataframe using a lot of by variables, the number of rows of the merged dataframe

[R] merge strings

Hi all, I have a vector and want to merge its elements one by one into a single string or number. For example, x=c(1,2,3), what I want is a new number 123. I used paste but it just output 1 2 3 which is not what I want. Is there any way to do this? Thanks!

Re: [R] merge strings

Bingshan Li wrote: Hi all, I have a vector and want to merge its elements one by one into a single string or number. For example, x=c(1,2,3), what I want is a new number 123. I used paste but it just output 1 2 3 which is not what I want. Is there any way to do this? Thanks! Use the

Re: [R] merge strings

Hi Duncan Murdoch, Thanks for the trick and it works! --- Duncan Murdoch [EMAIL PROTECTED] wrote: Bingshan Li wrote: Hi all, I have a vector and want to merge its elements one by one into a single string or number. For example, x=c(1,2,3), what I want is a new number 123. I used

[R] 404 HTTP not found

Hi I wrote a script which retrieves links from websites and loads them with scan: ... website-tolower(scan(current.pages[i], what=character, sep=\n, quiet=TRUE)) ... However occasionally, the script finds broken links, such as http://www.google.com/test. when the script tries to access such

Re: [R] 404 HTTP not found

See ?try as in this example: current.pages - c(http://www.google.com;, http://www.google.com/test;, http://www.yahoo.com;) for(i in seq(along = current.pages)) { website - try(tolower(scan(current.pages[i], what=character, sep=\n, quiet=TRUE))) if

Re: [R] merge gives me too many rows

I think you may misunderstand the meaning of all.x = FALSE. Setting all.x to false ensures that only rows of x that have matches in y will be included. Equivalently, if a row of x is not matched in y, it will not be in the output. However, if a row in x is matched by more than one row in y,