[R] PCA on stacked raster (multiple bands/ layers) in R

[Gustavo Bediaga]

Hi,

You have to transform it to a Data Frame.

Try:

files <- stack(rasterlist)

filesdf<-as.data.frame(files)

pca <- princomp(formula = ~., data = filesdf, cor = TRUE, 
na.action=na.exclude)


hope it helps

Gustavo

Em quinta-feira, 30 de outubro de 2014 14h38min56s UTC-2, John Wasige 
escreveu:
>
> Hello community, I need help on how I can perform PCA on stacked raster
> (multiple bands/ layers) in R. Does any body have an idea or script? 
> Thanks
> John
>
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