michael.wolf at upf.edu wrote:
> Dear all,
>
> I would like to add a legend to a time series plot, but
> cannot get it done. I have searched the archive about this,
> but to no avail ...
>
> I have three sets of time series data stored in a matrix
> wMat. The following code plots the the data with
> a legend, but it does not put the time on the x-axis:
>
>
> matplot(y = wMat, type = "l",
> ylab = "Allocation", main = "GARCH")
> legend(1, -0.3, c("Stocks", "Bonds", "Cash"),
col = 1:3, lty = 1:3)
>
>
> The following code puts the time on the x-axis but now the
> legend does not show up:
>
>
> wMat = ts(wMat, frequency = 12, start = c(1968, 2))
> ts.plot(wMat[,1], wMat[,2], wMat[,3], col = 1:3, lty = 1:3,
> ylab = "Allocation", main = "GARCH")
> legend(1, -0.3, c("Stocks", "Bonds", "Cash"),
col = 1:3, lty = 1:3)
I guess it is clipped in this case. Use par("usr") after ts.plot() to
see what the user coordinates are, and whether (1, -0.3) is a sensible
location to place the legend.
Uwe Ligges
> Can anybody help with this? If needed, I can send along postscript files
> of the resulting plots.
>
> I do not subscribe to the list, so please (also) reply directly to me.
>
> Thanks very much,
> Michael
>
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