There is no head.ts and x[1:10,] has the side effect of converting
it from class ts to class matrix. Use window
window(x, end = start(x)[1]+10)
instead or use
head(as.zoo(x))
since there is a head.zoo in the 'zoo' package.
On 8/19/05, Ajay Narottam Shah [EMAIL PROTECTED] wrote:
When using get.hist.quote(), I find the dates are broken. This is with
R 2.1.1 on Mac OS X `panther'.
library(tseries)
Loading required package: quadprog
'tseries' version: 0.9-27
'tseries' is a package for time series analysis and computational
finance.
See 'library(help=tseries)' for details.
x - get.hist.quote(^VIX)
trying URL
'http://chart.yahoo.com/table.csv?s=^VIXa=0b=02c=1991d=7e=18f=2005g=dq=qy=0z=^VIXx=.csv'
Content type 'text/csv' length unknown
opened URL
.. .. .. .. ..
.. .. .. .. ..
.. .. .. .. ..
downloaded 150Kb
head(x)
[1] 26.62 27.93 27.19NANA 28.95
x[1:10,]
Open High Low Close
[1,] 26.62 26.62 26.62 26.62
[2,] 27.93 27.93 27.93 27.93
[3,] 27.19 27.19 27.19 27.19
[4,]NANANANA
[5,]NANANANA
[6,] 28.95 28.95 28.95 28.95
[7,] 30.38 30.38 30.38 30.38
[8,] 33.30 33.30 33.30 33.30
[9,] 31.33 31.33 31.33 31.33
[10,] 32.63 32.63 32.63 32.63
plot(x)
(dates don't show).
str(x)
mts [1:5343, 1:4] 26.6 27.9 27.2 NA NA ...
- attr(*, dimnames)=List of 2
..$ : NULL
..$ : chr [1:4] Open High Low Close
- attr(*, tsp)= num [1:3] 33240 38582 1
- attr(*, class)= chr [1:2] mts ts
I wonder what I'm doing wrong.
--
Ajay Shah Consultant
[EMAIL PROTECTED] Department of Economic Affairs
http://www.mayin.org/ajayshah Ministry of Finance, New Delhi
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