dopp {CVThresh} | R Documentation |
Doppler function
Description
This function generates Doppler function values for equally spaced points in
.
Usage
dopp(norx=1024)
Arguments
norx |
the number of data or x values in [0, 1] |
Details
Doppler function is introduced by Donoho and Johnstone (1994) and is useful test function evaluating a wavelet shrinkage method.
Value
Doppler function values and its variability
where
.
References
Donoho, D.L. and Johnstone, I.M. (1994) Ideal spatial adaptation by wavelet shrinkage. Biometrika, 81, 425–455.
See Also
Examples
testdopp <- dopp(1024)
plot(testdopp$x, testdopp$meanf, xlab="", ylab="",
main="Plot of Doppler function", type="l")
[Package CVThresh version 1.1.2 Index]