If you use priceIts() in package 'its' (Irregular Time Series), you get similar functionality, and the labelling etc in plot() recognizes the calendar. You can also do further calendar-based extractions, etc.
- Giles > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Ajay Shah > Sent: 03 March 2004 09:55 > To: r-help > Subject: [R] get.hist.quote - is great, but am I missing something? > > > I find it's just great to be able to say: > > library(tseries) > x <- get.hist.quote(instrument="ongc.ns") > > and it gets a full time-series of the stock price of the symbol > ongc.ns from Yahoo quote. > > However, once my hopes have been raised by such beauty :-) I get > disappointed when I do > > > plot(x) > > and the annotation is horrible! The x axis is not labelled as > dates. The default plot method for get.hist.quote should be better, > no? > > I was not able to understand the object returned by get.hist.quote. If > I say: > > > summary(x) > Open High Low Close > Min. : 397.0 Min. : 407.3 Min. :395.1 Min. :398.4 > 1st Qu.: 494.2 1st Qu.: 501.4 1st Qu.:482.7 1st Qu.:490.4 > Median : 614.9 Median : 622.7 Median :600.7 Median :610.0 > Mean : 615.6 Mean : 627.1 Mean :599.7 Mean :611.9 > 3rd Qu.: 690.5 3rd Qu.: 707.4 3rd Qu.:676.2 3rd Qu.:691.5 > Max. :1000.0 Max. :1000.0 Max. :930.0 Max. :944.9 > NA's : 88.0 NA's : 88.0 NA's : 88.0 NA's : 88.0 > > there is no mention of a 'time' variable. And, I'm unable to extract > (say) a vector of closing prices - e.g. if I say: > > > closingprices <- x$Close > > print(closingprices) > NULL > > I guess I'm not understanding the object that get.hist.quote makes. In > general, what are R facilities for discovering what a given object is? > > -- > Ajay Shah Consultant > [EMAIL PROTECTED] Department of Economic Affairs > http://www.mayin.org/ajayshah Ministry of Finance, New Delhi > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > ********************************************************************** This is a commercial communication from Commerzbank AG.\ \ T...{{dropped}} ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
