Created
          August 27, 2012 10:55 
        
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  | library(raster) | |
| # HUOM! Kaikissa hakemistopoluissa pitää Windows-kenoviiva korvata normikenoviivalla | |
| # esim. C:\Kansio\tiedosto.txt -> C:/Kansio/tiedosto.txt | |
| workspace <- "[KANSIO-JOSSA-LAHTORASTERIT]" | |
| # Oletus: rasterit ovat yllä mainitussa kansiossa | |
| org.raster.file <- "[ALKUPERAISEN-RASTERIN-NIMI]" | |
| agg.raster.file <- "[AGGREGOIDUN-RASTERIN-NIMI]" | |
| setwd(workspace) | |
| custom.modal <- function(x, ...) { | |
| return(modal(x, ties="highest", ...)) | |
| } | |
| org.raster <- raster(org.raster.file) | |
| (aggregate(org.raster, fact=3, fun=custom.modal, | |
| filename=agg.raster.file, option=c("COMPRESS=YES"))) | 
  
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