SmoothedPG-class | R Documentation |
SmoothedPG
is an S4 class that implements the necessary
calculations to determine a smoothed version of one of the quantile
periodograms defined in Dette et. al (2015), Kley et. al (2016) and
Barunik&Kley (2015).
For a QuantilePG
Q^{j_1, j_2}_n(\omega, x_1, x_2)
and
a Weight
W_n(\cdot)
the smoothed version
\frac{2\pi}{n} \sum_{s=1}^{n-1} W_n(\omega-2\pi s / n) Q^{j_1, j_2}_n(2\pi s / n, x_1, x_2)
is determined.
The convolution required to determine the smoothed periodogram is implemented
using convolve
.
env
An environment to allow for slots which need to be accessable in a call-by-reference manner:
sdNaive
An array used for storage of the naively estimated standard deviations of the smoothed periodogram.
sdNaive.freq
a vector indicating for which frequencies
sdNaive
has been computed so far.
sdNaive.done
a flag indicating whether sdNaive
has been set yet.
sdBoot
An array used for storage of the standard deviations of the smoothed periodogram, estimated via bootstrap.
sdBoot.done
a flag indicating whether
sdBoot.naive
has been set yet.
qPG
the QuantilePG
to be smoothed
weight
the Weight
to be used for smoothing
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