[R] Replacing cretin value in a file

Jim Holtman jholtman at gmail.com
Sun May 13 14:01:29 CEST 2012


FAQ 7.31

Sent from my iPad

On May 13, 2012, at 7:52, Jonsson <amen.alyaari at Bordeaux.inra.fr> wrote:

> Dear All,
> 
> I am trying to replace a value of 528.8933 to -9999 in my file
> 
> t<- file("C:\\Users\\Amin\\Desktop\\1999n_Resample11.img", "rb")
> e=readBin(t, double(), size=4,n=720*360, signed=TRUE)
> e[e != -9999] <- e[e != -9999]*0.0099 + 477.65 -273.15                    
> ##worked well and values heve been calculated
> e[e == 528.8933] <- -9999                            ## no changes made to
> 528.8933
> 
> any suggestions please
> 
> 
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