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11 results for “from:Swen Meyer”

LOOCV for a GLM?
Swen Meyer · Sep 6, 2011 · r-sig-geo

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Impoting multiple asci grids into R?
Swen Meyer · Oct 31, 2011 · r-sig-geo

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Impoting multiple asci grids into R?
Swen Meyer · Oct 27, 2011 · r-sig-geo

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Impoting multiple asci grids into R?
Swen Meyer · Oct 31, 2011 · r-sig-geo

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Impoting multiple asci grids into R? Working now!
Swen Meyer · Nov 1, 2011 · r-sig-geo

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Palmer Drought Severity Index PDSI
Swen Meyer · Jul 3, 2013 · r-sig-geo

Hi Everybody, I was wondering if anyone knows if there is a R-package or r-Script that can be used to calculate the Palmer Drought Severity Index? Best regards, Swen

Transform 2or 3 raster with texture information in soil triangle classes.
Swen Meyer · Mar 5, 2013 · r-sig-geo

Dear All, does anyone maybe know a R script or a software tool that transforms a set of texture rasters (sand , silt , caly) into one classified raster according the German triangle ??Bodenkundliche Kartieranleitung 1994. I know that SAGA GIS does...

Problem creating raster brick (Lyndon Estes)
Swen Meyer · Nov 21, 2011 · r-sig-geo

Dear Lydon, I also had some trouble with stacking Layers in the Raster package. Try to use a 32 bit version of R. Sounds weired but in my case the stacking with the Raster package was much faster using the...

Leave one out cross validation in a Generalized linear Model?
Swen Meyer · Sep 26, 2011 · r-sig-geo

Dear All, I got the following problem. I use the GLM below to do Regression Kriging: #MLR backward Co-Variables(P1 -P10) fit1 <- lm((CLAY)~ PC1 + PC2 +PC3 +PC4 +PC5 +PC6 +PC7 +PC8+PC9 +PC10 , boden.ov[sel,] ) #GLM m...

Faster way of calculating the mean of multiple ascii files?
Swen Meyer · Nov 26, 2012 · r-sig-geo

Dear All, I?m trying to process a couple of ascii grids (daily grids): size of one grid (344kb). the header of the ascii grids look like this: ncols 288 nrows 199 xllcorner 506255 yllcorner 4.35899e+006 cellsize 30...

Leave one out cross validation in a Generalized linear Model?
Swen Meyer · Sep 29, 2011 · r-sig-geo

Hi Alex, thanks for the tip. You are writing about the " Leave-one-out cross-validation of the 'lm', but I need it for a GLM. I can do the CV for the lm with gstat using the krige.cv...

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