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4 results for “from:didimayr”

predict from tobit regression
didimayr · Sep 12, 2013 · r-help

Dear R experts, I am currently working on a rather simple tobit regression, where the dependet variable is left-censored (>0). I would like to apply a Tobit regression and then use the parameters of this regression to make a...

define projection for Raster data
didimayr · Sep 7, 2011 · r-sig-geo

Hi all, I have a very simple problem, I just want to define a projection for raster data. However I have no experience with spatial analysis with R, so maybe someone could give me a hint: My data are radiation...

converting grid objects to spatial polygon objects and export as shapefile
didimayr · Sep 19, 2011 · r-sig-geo

Dear all, I am trying to do the same as above in: ?converting grid objects to spatial polygon objects and export as shapefile , Dec 10, 2009; 3:17am? with my own data, however I do not come to any useful...

summing up the highest Raster values within polygons
didimayr · Jan 12, 2012 · r-sig-geo

Dear all, I have a little bit complex problem and don't know how to start solving it. Maybe someone has experience with similar issues or knows a solution. 1) I have many Raster files with (solar-)energy-Values, based...

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