Description Usage Arguments Value Author(s) References See Also Examples
Returns a data frame containing raw cepstra coefficients and the group membership from multiple time seres.
1 | cep.get(y,x,nw,k)
|
y |
n-vector indicating group membership |
x |
N by n matrix containing n time series, each with length N. |
nw |
Width of tapers used in multitaper spectral estimation. Default is set to 4 |
k |
Number of tapers used in multitaper spectral estimation. Default is set to 7 |
D.hat |
Data frame containing group information and raw cepstral coefficients. |
Zeda Li <zeda.li@temple.edu>
Krafty, RT(2016) Discriminant Analysis of Time Series in the Presence of Within-Group Spectral Variability. Journal of Time series analysis
1 2 3 4 5 6 7 8 9 10 | ## Simulate dataset
nj = 50 #number of series in training data
N = 500 #length of time series
data1 <- r.cond.ar2(N=N,nj=nj,r.phi1=c(.01,.7),r.phi2=c(-.12,-.06),r.sig2=c(.3,3))
data2 <- r.cond.ar2(N=N,nj=nj,r.phi1=c(.5,1.2),r.phi2=c(-.36,-.25),r.sig2=c(.3,3))
data3 <- r.cond.ar2(N=N,nj=nj,r.phi1=c(.9,1.5),r.phi2=c(-.56,-.75),r.sig2=c(.3,3))
dat <- cbind(data1$X,data2$X,data3$X)
y <- c(rep(1,nj),rep(2,nj),rep(3,nj))
data.cep <- cep.get(y,dat,4,7)
dim(data.cep)
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.