similar to: Value at Risk

Hi, I have a simple beginner's question on removing a list of objects. Say I have objects C243.Daily1, C243.Daily2...C243.Daily5 in my workspace. I'd like to remove these without using rm five times. So I write. > a <- list(paste("C243.Daily",sep="",1:5)) > rm(a) Obviously this wouldn't work, as it would only remove the object a. But is there any way

Hi, I need to build ROC curve in R, can you please provide data steps / code or guide me through it. Thanks and Regards Rithesh M Mohan [[alternative HTML version deleted]]

Hello, I want to know if there are some functions or packages to solve differential and integral equation using R. Thanks. Shao chunxuan. [[alternative HTML version deleted]]

Good Morning i am in doctorate. i want to ask for the packages of R, i tried to install it, but it appears " not found". each time i have to delete and install again the programme R. Are there another method for installing the package? thank you

Hi All what is the command to give me the listing of the loaded packages. I mean which are active and not the listing of all the installed packages as given by library() thanks in advance -gaurav ============================================================================================ DISCLAIMER AND CONFIDENTIALITY CAUTION:\ \ This message and ...{{dropped}}

Hello R Users, How to make a variable equidistance with time i.e. how to interpolate a variable if it is not sampled at equal time interval. Many thanks, Regards, Yogesh [[alternative HTML version deleted]]

Hi, Apologies for the long mail. I have a data.frame with columns of price/mcap data for a portfolio of stocks, and the date. To get the total value of the portfolio on a daily basis, I calculate rowSums of the data.frame. > set.seed(1) > ab <- matrix(round(runif(100)*100),nrow=20,ncol=5) > ab[1:5,4:5] <- NA > ab[6:10,5] <- NA > ac <- as.data.frame(ifelse(ab <=

Hello R Community, I am really impressed by the 'R'. I am a computer engineer. Further, I have done work on Linux Code at my home and Worked on Cisco IOS platform. I would like to contribute to the software i.e. i would like to devote my free time for its development, but i do not know how to join the development team. If anybody can tell me the way then please show me the way. I

Hi All Does R supports Vista Business and Vista Home Premium. I am planning to upgrade my system. Before that I just wanted to confirm whether R will work on Vista or not. Thanks for this help in advance -gaurav Sayonara With Smile & With Warm Regards :-) G a u r a v Y a d a v Assistant Manager, Economic Research & Surveillance Department, Clearing Corporation Of

Hello R experts What does this error means and how to resolve this issue (cannot change value of locked binding for ). Please suggest > mc = MonteCarloOption(dt = 1/360, pathLength = 30, mcSteps = 5000, mcLoops = + 50, init = TRUE, innovations.gen = sobolInnovations, path.gen = wienerPath, + payoff.calc = arithmeticAsianPayoff, antithetic = TRUE, standardization = + FALSE, trace = TRUE,

hi all, I have a simple question that does power spectral analysis related to capacity dimension, information dimension, lyapunov exponent, hurst exponent. If yes then please show me the way. I am newbie in the world of chaos. Sayonara With Smile & With Warm Regards :-) G a u r a v Y a d a v Senior Executive Officer, Economic Research & Surveillance Department, Clearing

Hi All, Thanks for all your discussions which I read offline and enhance my knowledge. I just want to know how to make yield curve by bootstrapping using R. Please give me some subject-matter links and code links. Especially the Spot Yield Curve and YTM Curve. Sayonara With Smile & With Warm Regards :-) G a u r a v Y a d a v Senior Executive Officer, Economic Research &

Hi all a very happy greeting to you all. i have just joined the list, i am newbie in R and this is my first message ( before this i was a member of Linux kernel mailing list) and hence i woulk like to add that i know how to behave in the mailing lists. I have a data something like this which i am reading from a csv file using read.table (Is there any difference between read.csv and read.table

Hi All R Experts, Please help me. Query is given at the end of this R Session +++++++++start of R Session+++++++ > SCORES<-read.csv("C:/SCORE.csv",header=TRUE,sep=",") > SCORES SrNo Player Score 1 1 A 12 2 2 B 23 3 3 C 34 4 4 A 54 +++++++++++++++++ 17 17 A 433 18 18 B 32 19 19 B 34 20

Hi, Given a date, how do I get the last date of that month? I have data in the form YYYYMM, that I've read as a date using > x$Date <- as.Date(ISOdate(substr(x$YearEnd,1,4),substr(x$YearEnd,5,6),1)) But this gives the first day of the month. To get the last day of the month, I tried > as.Date(as.yearmon(x$Date,frac=0)) But I don't get the last day of the month here. (Tried

Hello All I have time series data like given hereinbelow :- The data is having dates. I tried using ts() but it requires frequency. As i have holidays, saturdays sunday market closed, and also sometimes the data may not be recorded. I want to create a time series object but i want that where ever the holiday is the except saturday/sunday then it should impute the mean of previous and the next

hi All, ok fine got it. The design of R is such that it will work only if data fits in the main memory. This issue has been taken up many times but it seems it would be very difficult to change the core code hmmm. ok fine. hence if i want to work then i will have to either partition the data or work with columns. thanks to you all - Sayonara With Smile & With Warm Regards :-) G a u

hi All, ok fine got it. The design of R is such that it will work only if data fits in the main memory. This issue has been taken up many times but it seems it would be very difficult to change the core code hmmm. ok fine. hence if i want to work then i will have to either partition the data or work with columns. thanks to you all - Sayonara With Smile & With Warm Regards :-) G a u

hi, first I want to say that I'm new here, and new with copula and R. That is the reason why I'm writing, if somebody can help me. I have to make an example of Copula. On internet I've found this forum and that copula can calculate with R. Can somebody help me with the thing how can I start and where can read about these stuffs. Thank to all who can help! -- View this message

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