[R-sig-Geo] Creating grid from xyz file

[Paul Hiemstra]

Mehdi Khan schreef:
> Hello everyone,  I have a table with 2 columns containing geographical
> coordinates (lat, long) and one column containing attribute data.  This is a
> data frame object which I would like to convert into a grid object.  It is
> the 7.3 mb "california" file on this page:
>
> http://earthquake.usgs.gov/research/hazmaps/interactive/vs30/predefined.php
>
> I tried to use the "gridded" command, but it did not work for my data. Is
> there any other method?  Thank you!
>
> Mehdi Khan
>
> 	[[alternative HTML version deleted]]
>
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How exactly did you try the gridded command. Please be specific.

cheers,
Paul