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Hi, I'm trying to use read.fwf temp = read.fwf ("Raw data.txt", widths = c (11, 21, 10, rep (16, 6)) ,skip = 2, n = 2, stringsAsFactors = FALSE, strip.white = TRUE) but no matter what I do the strings are turned into factors. I believe it's the "n=2" parameter that causes the problem as it seems to work without this. Am I missing something? Thanks in advance,

Hi I'm having a problem using the zoo library and I can't see what I'm doing wrong. For example setting up the data > t1 = zoo (matrix (1:12, nrow = 3), order.by = as.Date (c("2008-08-01","2008-08-02","2008-08-03"))) > colnames (t1) = c ("A", "B", "C", "D") > t2 = zoo (matrix (1:12, nrow = 3), order.by =

Dear readers, There is a combination of keys that I have (on several occasions now) typed by accident into R (2.10.0) which removes all the objects in the environment, and clears the console, as though I had typed rm(list=ls()). Unfortunately I don't know what the combination of keys are, so I am struggling to find out more about this behaviour on my own and I was hoping that someone has

I am new in R. Can anyone tell : 1. how we can write our own functions in R ? 2. how we can save those functions and recall to use them? 3. what extensions are used for saving a file? -- Siddharth Arun, 4th Year Undergraduate student Industrial Engineering and Management, IIT Kharagpur [[alternative HTML version deleted]]

Hi, Using the Rconsole file I can specify the size and location of the Rgui windows on NT. e.g. # Dimensions (in characters) of the console. rows = 51 columns = 100 How can I specify the size of the help windows that popups when I ask for help? e.g. '?help' I would like the popup window to have say rows = 51 and columns = 100, just like the main window but a different location on the

Gabor As someone trying to the rest of my team using Subversion (which I have used for a while, but more as a backup / record of changes), have you a neat / automated way of building a package from a subversion repository? Thanks David Jessop -------------------------- David Jessop Global Head of Quantitative Research UBS Investment Research +44 20 7567 9882 ----- Original Message -----

Dear all, Does anyone have any idea on how to speed up the for() loop below. Currently it takes approximately 2 minutes and 30 seconds. Because of the size of Nsim and N, simulating a multivariate normal (instead of simulating Nsim times a vector of N normal distributions) would require too much memory space. Many thanks for your kind help, Simona N=3000 PD=runif(N,0,1) cutoff.=qnorm(PD)

Can anyone shed some light on this error? I can't seem to find any information as to why it is failing. Thanks. USTR-MINT-A-1:~ # net ads join "United States\Tredyffrin\Resources\Servers" -U trimblrd trimblrd's password: Failed to pre-create the machine object in OU United States\Tredyffrin\Resources\Servers. I have tried two different domain admin accounts and I get

Hello, Could anybody help me with this question? Example data frame NAME TICKER SHARES PERFORMANCE John ABC 100 0.05 John ABC 1000 1.5 Alice EFG 20 0.3 Paul HIJ 50 1.0 Paul JKL 60 2.0 Paul MNO 12 3.0 I would like to aggregate this dataframe by

Hi All, I've been fiddling around with various ways to estimate the popularity of R, SAS, SPSS, Stata, JMP, Minitab, Statistica, Systat, BMDP, S-PLUS, R-PLUS and Revolution R. It's not an easy task. You can see what I've come up with so far at http://r4stats.com/popularity . I'm sure people will have plenty of ideas on how to improve this, so please let me know what you think.

Hi all, I have two questions. Can some one give some help? The first question is regarding the pair of operators "&" and "&&". What is the difference between the two? The second question is regarding "<-" and "=". Usually we use "<-" as the assignment operator. I saw some people use "=". Is there any

Hi Thanks for your response. However I seem to be doing something wrong regarding the try block resulting in yet another error described below. I have a function that takes in a file name and does the fit for the data in that file. Hence based on your input, I tried try ( (fit = lm(y~x, data = data_fitting)), silent = T); I left the subsequent lines of my code unchanged. coeffs =