Dear Researchers,


I have a problem with Tps function. I tried several days and I am worked
saturday night and I am working sunday, but I have always the same Error. I
didn't find a solution in the web sorry.

I have a "SpatialPointsDataFrame" with X, Y and H value

> class( input.train)
[1] "SpatialPointsDataFrame"
attr(,"package")
[1] "sp"

# extract X and Y
x <- input.train@coords[,1]
y <- input.train@coords[,2]
xy <- data.frame(x,y)

# extract the value
v <- input.train@data[,c("H")]

Tps(xy,v)

Errore in rep(0, n1 * n2) : argomento 'times' non valido
Errore in out$W2 %d*% do.call(out$cov.function.name, c(out$args, list(x1 =
out$knots,  :
  error in evaluating the argument 'y' in selecting a method for function
'%d*%'
Errore in t(out$W2 %d*% do.call(out$cov.function.name, c(out$args, list(x1 =
out$knots,  :
  error in evaluating the argument 'x' in selecting a method for function
't'


Sorry and thanks for Help
Gianni

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