similar to: nrow()

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Hello, I have imported data from Excel using the command cours=read.delim("w:/apprentissage/cours_2.txt") after transforming my initial file with tab delimiters It seemed to work It is 2-dimensionnal. When I type cours[5,5], I get this type of message : "[1] 0,9760942761824 Levels: 0,495628477 0,893728761 0,89640592 0,903398558 ... 3,864414217" And when I want to

Hi, I want to time how long a function takes to execute. Any clues on what to search for to achieve this? Thanks in advance. -- View this message in context: http://r.789695.n4.nabble.com/timing-a-function-tp2126319p2126319.html Sent from the R help mailing list archive at Nabble.com.

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I have a TS of monthly observations. head(data4) 1991(1) 1991(2) 1991(3) 1991(4) 1991(5) 1991(6) 12.00864 11.94203 11.98386 12.01900 12.19226 12.15488 Now I want to make 11 dummy variables indicating months. Therefore I did followings : For Jan : rep(c(rep(0,0), 1, rep(0, 11)), 17) For Feb : rep(c(rep(0,1), 1, rep(0, 10)), 17) ........ and so on But my

Hi. In a data set I have a variable that takes values from 1 to 14. For each subgroup of values of this variable, I would like to obtain some descriptive statistics of other variables present in the data set. I've been trying with a "for" loop but I couldn't get nothing. Could you please suggest me some lines? -- View this message in context:

Dear all, i have 2 lists of data with each of the list contain 14 columns. How am i going to extract column 12 and 13 from each of the list ?? and can i combine my extracted columns to form a single list. Attach with are my data. Your coorperation is highly appreciated. Many thanks Regards, Anisah -------------- next part -------------- An embedded and charset-unspecified

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I'm trying to work out the simplest way to remove the upper and lower quantiles, in this case upper and lower 25% from an array. I can do it in two steps but when I try it in one, it fails. Is there something simple missing from my syntax or are there other simple elegant way to accomplish this? Thanks J > i <-1:20 > i2 <- i[i<quantile(i,.75)] > i3 <-

Yesterday I was forced to migrate servers due to a hardware failure. I have been able to bring up my mail server, and set up Squirrelmail and Dovecot. I am able to access (via Squirrelmail) all users' mail except one - which happens to be my wife's, so it would be really helpful if I could get that working too. I am able to log in, but see the following message in the main pane:

I don't see much in the way of an ability to write reports in R the way you can with SAS. You basically have to write a program with R in a 3G way unlike SAS with it's 4G proc print and proc report. Are there similar R functions and packages? -- View this message in context: http://r.789695.n4.nabble.com/R-reports-tp2330733p2330733.html Sent from the R help mailing list archive at

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Hi I get the following error when I try and get the AICc for a gls regression using qpcR: > AICc(gls1) Loading required package: nlme Error in n/(n - p - 1) : 'n' is missing My gls is like this: > gls1 Generalized least squares fit by REML Model: thercarnmax ~ therherbmax Data: NULL Log-restricted-likelihood: 2.328125 Coefficients: (Intercept) therherbmax 1.6441405

Hello, After a (bad) first try some months ago, I'm trying again to use RODBC package instead of DBI+RMySQL packages to populate MySQL database. The main command is sqlSave(channel, data_df, tablename, append=T, rownames=FALSE, colnames=FALSE, fast=FALSE, varTypes=vartypes) where data_df is the data.frame I want to save and vartypes is obtained following the tip given here

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Hi, I am using a very simple R function to get each row from the attached file and run Wilcox.test between columns 1-3 and 4-12. However, I keep getting an error message. The data files is attached. Any suggestion? Thank you. Rong Error message: +?? return c$p.value Error: unexpected symbol in: "? c <- wilcox.test(a[g1], a[g2]) ? return c" Execution halted Scrip:ranksum

Hello, I have encountered problems using odfdWeave. I actually have the same error message as was reported in this message ( http://tolstoy.newcastle.edu.au/R/e6/help/09/01/0872.html), but I don't quite understand the answer made by Max Kuhn ("You need to cat the results using odfCAt, otherwise you are just writing the output with no XML around it."). What I am supposed to do

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Hello R community! I am trying to apply the cox model and thus I am creating a coxph object. I would like to retrieve the p-values from this and keep them separately in another vector. I can see them when I give a command for the result to appear. However, the p values are not in the list of values of a coxph object and I don't know how to keep them for future reference. Could anybody help me