similar to: Use Of makeARIMA

Hi My name is Vladimir Samaj. I am a student of Univerzity of Zilina. I am trying to implement Kalman Filter into my school work. I have some problems with understanding of R version of Kalman Filter in package stats( functions KalmanLike, KalmanRun, KalmanSmooth,KalmanForecast). 1) Can you tell me how are you seting the initial values of state vector in Kalman Filter? Are you using some method?

Hi All, Currently I'm using DSE package for Kalman Filtering. I have a dataset of one dependent variable and seven other independent variables. I'm confused at one point. How to declare the input-output series using TSdata command. Because the given example at page 37 showing some error. rain <- matrix(rnorm(86*17), 86,17) radar <- matrix(rnorm(86*5), 86,5) mydata <-

Hi R-Experts, How can I show all the relevant measures like mean, median, min. value, max. value, outlier in a single boxplot diagram? Suppose I have a data set c(2,4,5,7,12,14,15,13,8,5,23,98,11) Sumanta Basak. [[alternative HTML version deleted]]

Hi All, I,m trying to do a GARCH simulation in R 2.3.0 release in Windows XP. I've seen garchsim function but that is for garch (1,1) and ?garch gives an example for ARCH simulation. Can anyone help me how can i extend the help shown in ?garch to GARCH simulation? Please help me in this regard. Thanks, Sumanta Basak.

Hi all R-Experts, I'm facing one problem in yahoo data downloading. I'm suing Windows XP, R 2.2.0, and i'm using yahoo.get.hist.quote function to download data. I need 500 companies of S&P index daily 'closing price' data for last ten years. My questions are: 1) I have all the ticker names of S&P 500 companies in a .csv format. I'm reading those names in R and

Hi R-Experts, Can anyone tell me how Bloomberg data can be directly downloaded to R? Is there any package? Sumanta Basak. ------------------------------------------------------------------------------------------------------------------- This e-mail may contain confidential and/or privileged infor...{{dropped}}

Hi R-Experts, I have a vector of length 72. I want to break it into 12 parts and want to take standerd deviation of each group. Please help me in this regard. Thanks, Sumanta. --------------------------------- [[alternative HTML version deleted]]

Hi All, I have a (331*12) matrix. I wan t to braek it into 28 parts each window having 12 rows, so that each matrix become (12*12) matrix. How can i do this. Thanks, Sumanta. --------------------------------- Send instant messages to your online friends - NOW [[alternative HTML version deleted]]

Hi All, Can you please tell me if i write a function, and want to return certain object, can "R" work on it? I know this works in S-Plus. function(x) { ....... a<-...... reaturn(a) } Does this work in "R"? Thanks, Sumanta. --------------------------------- What makes Sachin India's highest paid sports celebrity?, Share your knowledge on Yahoo! India Answers

Hi All, Currently I'm working in FIGARCH process [Fractionally Integrated Generalized Autoregressive Conditional Heteroscedasticity]. I've already got the codes to do the process in S-Plus. Can anyone help me to do it in R? Thanks, SUMANTA BASAK. ------------------------------------------------------------------------------------------------------------------- This e-mail may

Hi All, I need a basic help from you. I've built a function like this, windowlength<-function(x) { z <- rep(seq(0,331,by=x-1)+1, each=2) zz <- z[-c(1,length(z))] ind <- as.data.frame(matrix(zz, nr=2)) j<-lapply(ind, function(x) mat[x[1]:x[2],]) cat("For",x/4,"month

Hi R-Experts, I'm having a problem with reading a large data file which is in .csv format and size is 120 MB (app.). I was trying to use RODBC package but I found RODBCconnectExcel function only. And can I convert this file to .dbf format? How can I read this file? And also let me know if this was a file in .sas7bdat format, what should I do? Thanks in advance.

Hi All, I have certain combinations for which I have some value, e.g. 0 1 20 0 2 15 1 1 40 1 2 52 Now I need to sort this list for which I'll get the combination against the lowest value. In this case, 15, and the combination will be 0 2. -- SUMANTA BASAK. [[alternative HTML version deleted]]

Hi, I'm trying to work with TsayData in fSeries package. How can i fetch any time series data of this package. Please advice. Thanks, Sumanta Basak. Send instant messages to your online friends http://in.messenger.yahoo.com

Hi All, How can extract AIC,BIC from a fitted Garch model? -- SUMANTA BASAK. [[alternative HTML version deleted]]

Dear R-users, First of all, I'm sorry if this is a simple question. I want a daily date series which will be a sequence. E.g. starting from 07/03/1962 to 12/03/1997. Thanks in advance. I want to paste this date series with the data series I have. Thanks & Regards, Sumanta Basak.

Hi R-Experts, I have a huge data file of size over 100MB, and this is in .dat format. Is it possible to work with this in the current version of R in Windows-XP machine? If not, please let me know the remedy of this. Can R handle large dataset like this? I know SAS is compatiable for this. But i want to try it in R. -- SUMANTA BASAK. [[alternative HTML version deleted]]

Hi All, I'm running garch models for different combinations, like (1,1),(1,2) etc. in a for loop. But, when i'm running it, R is showing a text "***** ESTIMATION WITH ANALYTICAL GRADIENT ***** ". How can delete it? Any options for this? -- SUMANTA BASAK. [[alternative HTML version deleted]]

Hi All, I need your help in NA handling. I've following data series. x<-c(1,4,5,8,NA,4,NA,5,5,1,2,7,8,9,NA,NA,NA,15,6,8) Now i want to interpolate where NA value persists. Like, between 9 and 5 there are three NA's. So, that should be interpolated like, 1st NA-> (15-9)/4 2nd NA-> 1st NA value + (15-9)/4 Can i get help on this using a 'for' loop. Actually i have huge

Hi R-Users, I apologize if it is too simple question for all. I have a multivariate dataset having 7 variables as independent and 1 dependent variable. 248 data points are there. I want to do out sample forecast first considering 156 points. So I'll have to start from 157th point and calculate the 157th y_hat value. In this way it will go to 248th data point. Can any one tell me how I can