Hi David,
You need to load the package before running your code:
# install.packages('circular')
require(circular)
plot(rvonmises(10, circular(0), kappa=1))
arrows.circular(rvonmises(10, circular(0), kappa=1))
arrows.circular(rvonmises(10, circular(0), kappa=1), y=runif(10), col=2)
arrows.circular(rvonmises(10, circular(0), kappa=1), y=runif(10),
x0=runif(10, -1, 1), y0=runif(10, -1, 1), col=3)
HTH,
Jorge.-
On Fri, Feb 10, 2012 at 11:55 AM, Chosid, David (MISC) <> wrote:
> I have started using the circular package but it is not recognizing the
> function arrows.circular. I attempted to use the example provided in the
> circular manual. Here is the example code using the circular package:
>
> plot(rvonmises(10, circular(0), kappa=1))
> arrows.circular(rvonmises(10, circular(0), kappa=1))
> arrows.circular(rvonmises(10, circular(0), kappa=1), y=runif(10), col=2)
> arrows.circular(rvonmises(10, circular(0), kappa=1), y=runif(10),
> x0=runif(10, -1, 1), y0=runif(10, -1, 1), col=3)
>
> My error is: Error: could not find function "arrows.circular"
>
> Any help would be greatly appreciated. Thanks.
>
> David Chosid
> Conservation Engineering
> MA Division of Marine Fisheries
> 1213 Purchase St., 3rd Floor
> New Bedford, MA 02740
> 508-990-2860
> david.cho...@state.ma.us<mailto:david.cho...@state.ma.us>
>
>
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>
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