[R-sig-Geo] K-means clustering with landsat data

[Vikram Ranga]

Hello Everyone,
I am trying to run k-means algorithm with R on Landsat images but it is 
giving error that the data type is not supported.
My syntax is
juneb1<-readGDAL("G:/landsat/New Landsat/June/2002-06-08/8juneb10.tif")
kmenjuneb<-kmeans(juneb1,10,iter.max = 6, nstart = 1,
        algorithm = c("Hartigan-Wong", "Lloyd", "Forgy",
                      "MacQueen"))
error message
Error in do_one(nmeth) : NA/NaN/Inf in foreign function call (arg 1)

Is there anyother way to do cluster analysis to spatial data in R?
Any help would be greatly appreciated.


Vikram.