eptplot: Plot of Components by Ensemble Patch Transform of a Signal

In EPT: Ensemble Patch Transform, Visualization and Decomposition

Description

This function plots ensemble patch transform of a signal for a sequence of size parameters tau's.

Usage

eptplot(eptransf, taus = eptransf$parameters$tau)

Arguments

eptransf	R object of ensemble patch transform by eptransf() or meptransf().
taus	specifies size parameters for which ensemble patch transform of a signal is displayed.

Details

This function plots ensemble patch transform of a signal for a sequence of size parameters taus.

Value

plot

See Also

eptransf, meptransf, eptmap.

Examples

n <- 500                                                                      
set.seed(1)
x <- c(rnorm(n), arima.sim(list(order = c(1,0,0), ar = 0.9), n = n, sd=sqrt(1-0.9^2)))

taus <- seq(10, 100, by=10)

# eptr1 : Multiscale EPT by average patch transform and average ensemble transform 
eptr1 <- meptransf(tindex=1:(2*n), signal=x, taus=taus, process=c("average", "average"), 
    boundary="none")
names(eptr1)

op <- par(mfcol=c(4,1), mar=c(4,2,2,0.1))
plot(x, xlab="", type="l", main="signal")

eptplot(eptr1)
eptplot(eptr1, taus=20)
eptplot(eptr1, taus=c(20, 30))
lines(eptr1$Epstat[, 2], col="blue")
lines(eptr1$Epstat[, 3], col="red")

# eptr2 : Multiscale EPT by envelope patch transform and average ensemble transform 
eptr2 <- meptransf(tindex=1:(2*n), signal=x, type="oval", taus=taus, 
    process=c("envelope", "average"), pquantile=c(0,1), gamma=0.06, boundary="none")
names(eptr2)

plot(x, xlab="", type="l")
eptplot(eptr2)
eptplot(eptr2, taus=20)
eptplot(eptr2, taus=c(20, 30))
lines(eptr2$EpM[, 2], col="blue")
lines(eptr2$EpM[, 3], col="red")
par(op)

EPT documentation built on Jan. 5, 2022, 9:06 a.m.