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5 results for “from:Michael Loranty”

temporal interpolation with stackApply
Michael Loranty · Dec 1, 2010 · r-sig-geo

Hi All, I have a raster stack, that represents a time series of temperature observations, and would like to interpolate temporally to fill gaps in the data. That is, to apply a gap-filling function across all layers in a...

temporal interpolation with stackApply
Michael Loranty · Dec 3, 2010 · r-sig-geo

Thanks again for your help Robert. It turns out that the problem has to do with writing a geotiff file (see example below). I'm not knowledgeable enough to know much more than the fact that the number of layers...

temporal interpolation with stackApply - seg fault
Michael Loranty · Dec 2, 2010 · r-sig-geo

Hello again... I've successfully applied the previously discussed function over a raster stack using calc. However, the process seems to choke on large data sets. It ran successfully on a stack with nlayers: 13, nrow: 119, ncol 1048 but...

long 0-360, shift to -180 to 180
Michael Loranty · Mar 10, 2011 · r-sig-geo

Hi Andy, I think the rotate function in the raster package might be what you're looking for. Hope things are well with you. -Mike dat <- matrix(data = 1:100, nrow=360, ncol = 360) > bar <- raster(dat,xmn=0,xmx...

temporal interpolation with stackApply
Michael Loranty · Dec 1, 2010 · r-sig-geo

Thanks for the quick response, Robert. I hadn't realized I was misusing the stackApply. For some reason I'm getting a similar error with calc. I don't know how to look at the function definition for calc to...

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