Displaying 4 results from an estimated 4 matches for "jtheal".
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theal
2007 Oct 18
5
Secondary Y axis title
I have the following R code to create a plot with two y axes. I am
essentially trying to
plot a price series with a volume series on the same graph. (i.e. to
compare price with volume). I can label the first
y axis successfully, but the problem is in labeling the 2nd y-axis.
Essentially, the
label never appears. It seems as though there is not enough margin
on the right hand
side of
2007 Oct 24
1
X Axis labeling with class zoo
I'm using zoo to plot multiple data series, however, I am having
trouble adjusting the x-axis labeling on a multiple series plot. For
example, if I create a zoo
object that consists of a date series and a numerical series and then
plot it, I can adjust the x axis labeling using
axis.Date(1, at=seq(as.Date("1984/01/31"), as.Date("2005/10/31"),
by="2
2007 Nov 22
0
Problem with tsboot
I'm trying to bootstrap some regression coefficients so that I can
estimate confidence intervals, but boot is not producing results. Can
anybody suggest what I'm doing wrong here?
> SpecPress <- ts(rnorm(501))
> Returns <- ts(rnorm(501))
> BootData <- data.frame(cbind(SpecPress, Returns))
> boot.specpress <- function(data, indices, maxit=20){
+ data <-
2008 Jul 23
1
Time series reliability questions
Hello all,
I have been using R's time series capabilities to perform analysis for quite
some time now and I am having some questions regarding its reliability. In
several cases I have had substantial disagreement between R and other packages
(such as gretl and the commercial EViews package).
I have just encountered another problem and thought I'd post it to the list. In
this case,