[R-sig-Geo] How to efficiently generate data of neighboring points

[Kent Johnson]

> Date: Tue, 2 Jun 2020 02:44:17 -0500
> From: Lom Navanyo <lomnavasia using gmail.com>
> To: r-sig-geo using r-project.org
> Subject: [R-sig-Geo] How to efficiently generate data of neighboring
>         points within specified radii (distances) for each point in a given
>         points data set.
>


> Hello,
> I have data set of about 3400 location points with which I am trying to
> generate data of each point and their neighbors within defined radii (eg,
> 0.25, 1, and 3 miles).
>

The rtree package is very fast and memory-efficient for within-distance
calculations.
https://github.com/hunzikp/rtree

Kent Johnson
Cambridge, MA

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