[R] nearest neighbours and their ID

Rolf Turner rolf.turner at xtra.co.nz
Thu Jun 21 03:21:59 CEST 2012


?nnwhich

     cheers,

         Rolf Turner

On 21/06/12 04:06, Lucie V wrote:
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> Dear R users,
>
> I used  nndist() to gain the distance of 2 nearest
> neighbours of the points in my dataset. Is there a way of getting the ID numbers
> of these nearest neighbours (along with their distances).
>
> The command I used:  nn2<- nndist(X2, k=1:2).  This is the output of the nearest neighbour distances I got (the IDs of the given points are there but their IDs aren't). Any help or suggestionsare very much appreciated.>  d1to2            [,1]     [,2]
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>    [1,] 1.9721585 2.979509
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>    [2,] 1.9342647 1.972158
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>    [3,] 0.2402082 1.934265
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>    [4,] 0.2402082 2.074910  etc...
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> Thank you
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> Luc
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