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3 results for “from:Matthew Nelsen”

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using getData function in raster to retrieve polygon data for all countries

Matthew Nelsen · May 17, 2014 · r-sig-geo

An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-sig-geo/attachments/20140517/6972f6a0/attachment.pl>

Unexpected elevation value when using extract() on RasterLayer

Matthew Nelsen · Oct 10, 2017 · r-sig-geo

Hi Everyone, I'm fairly new to using R to analyze geo data and am getting some unexpected values when I try to extract elevation data from a RasterLayer using lat/long. I've downloaded some global elevation data (ESRI...

Unexpected elevation value when using extract() on RasterLayer

Matthew Nelsen · Oct 11, 2017 · r-sig-geo

Thanks a lot, Kamil! That makes a lot of sense. I really appreciate your help! Best, -Matt. On Wed, Oct 11, 2017 at 12:45 AM, Kamil Konowalik <konno_kazuma at mailplus.pl> wrote: > Hi Matt, > > the result you got...

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