x
|
A vector or matrix time series
|
spans
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vector of widths of modified Daniell windows to be
successively applied when smoothing the periodogram
|
taper
|
A split cosine taper is applied to the first and
last 100 * spans % of the data before calculating the periodogram
|
demean
|
Sweep out mean of time series
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detrend
|
Subtract linear trend from time series to improve
stationarity. This option overrides demean
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pad
|
If set to TRUE, the end of the series will be padded out
with zeros so that the chain is a convenient length for
the Fast Fourier Transform
|
plot
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This doesn't do anything. It's just there for S-PLUS
compatibility
|