Multiplication of Functional Time Series
A method that lets you multiply functional time series (fts
) and perform scalar multiplication of functional time series.
## S3 method for class 'fts' Y1 * Y2
an object of class fts
## 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 plot(Y) Ytimes=Y*Y # elementwise multiplication of the functional time series with itself plot(Ytimes) Ytimes2=2*Y # multiply 2 with every term in the functional time series plot(Ytimes2) ## End(Not run)
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