make.drb {funfits}R Documentation

Evaluates the Demmler-Reinsch basis fucntions

Usage

make.drb(out, x1=out$x)

Arguments

out tps output object
x1 matrixc of points to evaluate the basis functions.

Value

A matrx where the columns index different basis fucntions and rows index the points in x1.

References

See the FUNFITS manual for details on teh relationship between this basis and the usual one.

See Also

tps

Examples

# First create a tps object
tps( ozone$x, ozone$y)-> out
make.drb( out)-> hold
# to calculate the u vector important for tps calulations
 t(hold)%*% out$y -> u


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