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discrepancy between periodogram implementations ? per and spec.pgram
Lieven Desmet
·
Dec 12, 2007
·
r-help
hello, I have been using the per function in package longmemo to obtain a simple raw periodogram. I am considering to switch to the function spec.pgram since I want to be able to do tapering. To compare both I...
discrepancy between periodogram implementations ? per and spec.pgram
Lieven Desmet
·
Dec 14, 2007
·
r-help
Prof Brian Ripley wrote: > There are several definitions of a periodgram. Note that > >> log(2*pi) > > [1] 1.837877 > > See the comments in ?spectrum about scalings. > > I think the comments in ?per incorrectly ignore the scaling issues: > per() does not...
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