oceSpectrum {oce} | R Documentation |
This is a wrapper around the R spectrum
function, which
returns spectral values that are adjusted so that the integral of those
values equals the variance of the input x
.
oceSpectrum(x, ...)
x |
As for |
... |
extra arguments passed on to |
A spectrum that has values that integrate to the variance.
Dan Kelley
x <- rnorm(1e3) s <- spectrum(x, plot=FALSE) ss <- oce.spectrum(x, plot=FALSE) cat("variance of x=", var(x), "\n") cat("integral of spectrum=", sum(s$spec)*diff(s$freq[1:2]), "\n") cat("integral of oce.spectrum=", sum(ss$spec)*diff(ss$freq[1:2]), "\n")