[R-sig-Geo] drop layer/band from SpatialGridDataFrame

[Michael Sumner]

Do you mean "layer" as in the first column in the data.frame?

Does this do what you want?  The negative index means "everything but
these indexes".

monthly.sp <- monthly.sp[,-1]



On Tue, Aug 10, 2010 at 12:40 PM, Andy Bunn <Andy.Bunn at wwu.edu> wrote:
> I have a SpatialGridDataFrame with 325 variables in the @ data slot. I want to drop the first layer. Seems simple enough. Any help? Thanks, Andy
>
>> str(monthly.sp)
> Formal class 'SpatialGridDataFrame' [package "sp"] with 6 slots
>  ..@ data       :'data.frame': 8060 obs. of  325 variables:
>  .. ..$ values: num [1:8060] 127.5 31.9 127.5 127.5 231.1 ...
>  .. ..$ values: num [1:8060] 127.5 31.9 127.5 127.5 231.1 ...
>  .. and so on
>
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-- 
Michael Sumner
Institute for Marine and Antarctic Studies, University of Tasmania
Hobart, Australia
e-mail: mdsumner at gmail.com