Hi,

sp:bubble function?


2013/4/17 Mónica Cordeiro de Almeida e Silva <monica@uac.pt>

> Dear All,
>
> I'm using switching state-space models (SSSM) to analyze Argos-derived
> locations from whales tracked with satellite tags. I'd like to draw
> ellipses to display the uncertainty at each location estimated by the SSSM,
> using only 3 lat/long pairs of values provided by the model: the mean
> location and the locations corresponding to the 2.5 and 97.5 percentiles
> (ie. the 0.95 probability interval). Each ellipse should be centered at the
> mean value and its limits should be defined by the coordinates of the 2.5
> and 97.5 percentiles.
>
> Any hints on how to do this in R? Any suggestions would be welcome!
>
> Cheers,
>
> Mónica
>
>
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>
>
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