[R] Multi-Level classification

Hi,   Thanks in advance.   I am using R-3.0.1 on Windows XP.   May I request you to assist me for the following please.   I have a data set where each instance has two or more levels. As for example, level 1 (binary): 0, 1; level 2 (binary): 0, 1 and so on. These levels are target variables. The

[R] How to read a .rar file in R

Hi,   Thanks in advance.   May I request you to assist me for the following please.   I am using R-3.0.1 on Windows.   Is there any R package or R function to read a .rar file (file with an extension rar)?   Once again, thank you very much for the time you have given.   Regards,   Deb [[al

Re: [R] Extract Data from Yahoo Finance

you have given.   Regards,   Deb From: R. Michael Weylandt To: Deb Midya Cc: "r-help@r-project.org" Sent: Friday, 4 November 2011 12:13 AM Subject: Re: [R] Extract Data from Yahoo Finance The quantmod package can probably do what you are asking, but it's a little hard to be ce

Re: [R] Extract Data from Yahoo Finance

Vikram,   Thanks for this.   The field names we put like this: quote = c("Open", "High", "Low", "Close")   But in order to download all the fields, what are the names I need to use in the object quote.  In Yahho Finance these are special tags.   The special tags are: a=Ask, b= Bid, .

[R] Extract Data from Yahoo Finance

Hi R –users,   I am using R-2.14.0 on Windows XP.   May I request you to assist me for the following please.   I like to extract all the fields (example: a : Ask, b : Bid, ……, w : 52-week Range, x: Stock Exchange)  for certain period of time, say, 1 October 2011 to 31 October 2011.   Is there any

[R] Regular Expression

Hi R users,   Thanks in advance.   I am using R-2.12.1 on Windows XP.   I am looking for some good literature on Regular Expression. May I request you to assist me please. Once again, thank you very much for the time you have given.   Regards,   Deb   [[alternative HTML version d

[R] Installing R on cygwin

Hi R users,   Thanks in advance.   Is it possible to install R on cygwin? If yes, can anyone assist me how can I install R on cygwin?   Currently, I am using R on Windows XP. I have found that binary version of some packages such as RCurl is not available.    Once again, thank you very much for t

[R] Extracting content from web

Hi R Users,   Thanks in advance.   I am using R-2.12.1 on Windows XP.   May I request you to assist me for the following please.   Is there any R-package or R Script to extract content(s) from web.   Once again, thank you very much for the time you have given.   Regards,   Deb   [[

[R] Extracting information from text data

Hi R-Users,   Thanks in advance.   I am using R-2.12.0 on Windows XP.   I am trying to produce an n X m matrix from text data stored in different files. Where n = number of words (say w1, w2, …, wn). M is the number of documents (say d1, d2, …, dm)   A. Using package tm   I am using pack

[R] Downloading quote data from yahoo finance

Hi R users,   Thanks in advance.   I am using R 2.12.0 on Windows XP.   May I request you to assist me in the following please.   1. I am getting error while downloading quote data from yahoo finance.   The example code is below (taken from tseries help):   library(tseries)   con <- url("http://quo

Re: [R] High Frequency Trading

: [R] High Frequency Trading To: "Deb Midya" Received: Monday, 8 November, 2010, 10:02 AM Help us help you: more exactly, what do you need? There are so many things that can be done in the field that without further clarification, pretty much 80% of CRAN could be recommended. Also: con

[R] High Frequency Trading

Hi R users,   Thanks in advance.   I am using R 2.12.0 on Windows XP.   My objective is to construct algorithms for High Frequency Trading.   May I request you to provide me information such as packages or tools please.   Thank you very much for the time you have given.   Regards,   Deb  

[R] Composing Music - R Package

Hi R Users,   Thanks in advance.   I am using R-2.11.1 on Windows XP.   May I request you to assist me for the following please.   1.   Is there any R-package or if any to compose music?   2.   Is there any R-package or if any to analyse music?   Once again, thank you very much for the tim