Using plot.zoo in the zoo package try this:
Lines <- "Bob.A Bob.B Tom.A Tom.B
Jan 8 4 9 8
Feb 7 5 4 7
Mar 6 8 4 4
Apr 3 7 6 2
May 5 1 8 5
Jun 6 4 7 1
July 2 8 3 4
Aug 1 2 4 8
Sep 4 3 1 9
"
DF <- read.table(textConnection(Lines))
library(zoo)
z <- zooreg(as.matrix(DF), start = as.yearmon(as.Date("2007-01-01")), freq = 12)
z <- aggregate(z, as.Date, tail, 1)
plot(z, plot.type = "single", type = "o",
pch = c("A", "A", "B", "B"), lty = 1:2)
legend("bottomleft", c("Bob", "Tom"), lty = 1:2)
On 9/20/07, Bill Pepe <[EMAIL PROTECTED]> wrote:
> I'm fairly new to S-Plus and I need to get this done quickly. Suppose I have
> the following fake data below:
>
> There are two companies, call them Bob and Tom. Each have two variables,
> call them A and B, that have observations.
>
> Bob Tom
>
> A B A B
> Jan 8 4 9 8
> Feb 7 5 4 7
> Mar 6 8 4 4
> Apr 3 7 6 2
> May 5 1 8 5
> Jun 6 4 7 1
> July 2 8 3 4
> Aug 1 2 4 8
> Sep 4 3 1 9
>
> Here is what I want to do: I want to make two different graphs, one for Bob
> and one for Tom. For each graph, plot both variables A and B. Connect the A
> values with a line, and connect the B values with a different type of line.
> So there should be two lines for each graph. For the A line, at each time
> point, the letter A should be on the line. And the same goes for the B line.
> Either R or S-Plus since they are essentially the same.
>
> I'm sure this is easy, but any help would be greatly appreciated.
>
> Thanks,
>
> Bill
>
>
> ---------------------------------
> Pinpoint customers who are looking for what you sell.
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
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