Re: [R] how to make a contour plot using data in long format

From: Dieter Menne <>
Date: Fri 14 Jul 2006 - 17:59:28 EST

Maria Wang <mariayzw <at>> writes:

> There is a dataset with Latitude Longitude information and corresponding
> value shaped like this:
> Lati Longi Value
> 18.0001 -159.6667 123
> 18.0023 -159.6665 124
> I want to use this data to make a filled contour map imposed on an USA map.

Best use package geoR. There are also some examples in MASS (chapter 14).

Dieter mailing list PLEASE do read the posting guide! Received on Fri Jul 14 18:02:37 2006

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