Re: [R] Convex hull line coordinates..

From: Romain Francois <francoisromain_at_free.fr>
Date: Tue 22 Mar 2005 - 04:03:26 EST

Hello,

I'm not sure i got your question right, but i think the whole point is to find the equation of a line which passes by two points See ?lm

Romain.

Le 21.03.2005 11:09, achilleas.psomas@wsl.ch a écrit :

>Hello R-Helpers..
>
>I am still new in R and I have the following question..
>I am applying the function chull on a 2D dataset and have the convex hull
>nicely
>calculated and plotted.
>Do you know if there is a way to extract the coordinates of the line created
>from the connection of the chull data points..
>I have alredy tried with "approx" to lineary interpolate but its not working
>correctly since the interpolated values sometimes fall inside the convex .
>Using the "yleft" or "yright" doesnt seem to help..
>
>Any suggestions?
>Thank you in advance
>
>Achilleas Psomas
>
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>
>

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Romain FRANCOIS : francoisromain@free.fr
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_______________________________________________________
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Received on Tue Mar 22 04:13:17 2005

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