similar to: Sort Problem

Displaying 20 results from an estimated 30000 matches similar to: "Sort Problem"

2006 Apr 11
1
Text Problem
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]]
2006 May 08
3
GARCH SIMULATION
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.
2006 Mar 07
3
Boxplot Help Needed
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]]
2006 Feb 08
3
Bloomberg Data Import to R
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}}
2006 Jun 16
2
Yahoo data download problem
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
2005 Oct 18
2
FIGARCH
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
2006 May 12
2
Help In Function
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
2006 May 29
1
TsayData
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
2006 Jan 02
1
Use Of makeARIMA
Hi R-Experts, Currently I'm using an univariate time series in which I'm going to apply KalmanLike(),KalmanForecast (),KalmanSmooth(), KalmanRun(). For I use it before makeARIMA () but I don't understand and i don't know to include the seasonal coefficients. Can anyone help me citing a suitable example? Thanks in advance. ------------------------------------------
2006 Apr 20
1
Extract AIC, BIC
Hi All, How can extract AIC,BIC from a fitted Garch model? -- SUMANTA BASAK. [[alternative HTML version deleted]]
2006 Feb 06
1
Help In Sequence of Dates
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.
2006 Mar 31
1
Data File Size Problem
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]]
2006 Jun 22
1
Basic NA handling problem
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
2005 Dec 05
1
Help
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
2006 Jan 03
2
KALMAN FILTER HELP
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 <-
2006 May 15
1
Object call
Hi All, I have a function like this: windowlength<-function(x) { mat <- matrix(rnorm(331*12),331,12) z <- rep(seq(0,331,by=11)+1, each=2) zz <- z[-c(1,length(z))] ind <- as.data.frame(matrix(zz, nr=2)) lapply(ind, function(x) mat[x[1]:x[2],]) cat("For",x/4,"month i.e",x,"week, number of windows is = ",length(ind),"\n")
2005 Dec 14
1
Kalman Filter Forecast using 'SSPIR'
Dear R Users, I am new to state-space modeling. I am using SSPIR package for Kalman Filter. I have a data set containing one dependent variable and 7 independent variables with 250 data points. I want to use Kalman Filter for forecast the future values of the dependent variable using a multiple regression framework. I have used ssm function to produce the state space (SS)
2006 Apr 28
3
Break into Parts
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]]
2006 May 11
2
Break Matrix
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]]
2006 May 12
2
Basic function help
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