ftnonpar (version 0.1-88)

djdata: Donoho-Johnstone test signals

Description

Four samples, each of size 2048 from Donoho and Johnstone's famous signals commonly used as test beds for smoothing methods.

Usage

data(djdata)

Format

Four one-dimensional data sets, each of size 2048

Source

Donoho, D. L. et al (1995) Wavelet Shrinkage: Asymptopia? Journal of the Royal Statistical Society series B, 57, 301--337.

Examples

data(djdata)
par(mfrow=c(2,2))
plot(djdoppler)
plot(djheavisine)
plot(djblocks)  
plot(djbumps)