Description Usage Arguments Value Note See Also Examples
A method that lets you index into a functional time series (fts
).
1 2 | ## S3 method for class 'fts'
Y[i = "index"]
|
Y |
an object of class |
i |
index |
an object of class fts
can use ':' as an operator to specify a range of indices
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | ## Not run:
require(fda)
require(Rfssa)
data(Callcenter) # Read data
u=seq(0,1,length.out=240) # Define domain of functional data
d=12 # number of basis elements
basis=create.bspline.basis(rangeval = c(0,1),nbasis = d) # create basis object
smooth.calls=smooth.basis(u, matrix(nrow=240,ncol=365,Callcenter$calls), basis)
Y=fts(smooth.calls$fd) # create functional time series
Yind=Y[4:8] # take only the 4th through 8th functions
plot(Yind)
Yminus=Y[4:8]-Y[14:18] # subtract functions from each other
plot(Yminus)
## End(Not run)
|
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