# Adaptive, Sine-Multitaper Power Spectral Density and Cross Spectrum Estimation

## Documentation for package ‘psd’ version 2.1.0

- DESCRIPTION file.
- User guides, package vignettes and other documentation.
- Code demos. Use demo() to run them.
- Package NEWS.

## Help Pages

A C D G H I L M N O P R S T U V W Z misc

psd-package | Adaptive power spectral density estimation using optimal sine multitapers

## -- A --

adapt_message | Adaptive sine multitaper power spectral density estimation
as.data.frame.spec | Generic methods for objects with class "spec"
as.data.frame.tapers | Generic methods for objects with class "tapers"
as.list.spec | Generic methods for objects with class "spec"
as.matrix.spec | Generic methods for objects with class "spec"
as.tapers | Coerce an object into a "tapers" object.

## -- C --

coherence | coherence
colvec | Various utility functions.
constrain_tapers | Taper constraint methods
constrain_tapers.default | Taper constraint methods
constrain_tapers.tapers | Taper constraint methods
create_poly | Various utility functions.
ctap_loess | Taper constraints using loess smoothing
ctap_loess.default | Taper constraints using loess smoothing
ctap_loess.tapers | Taper constraints using loess smoothing
ctap_simple | Taper constraints using simple derivatives
ctap_simple.default | Taper constraints using simple derivatives
ctap_simple.tapers | Taper constraints using simple derivatives

## -- D --

data.frame.tapers | Generic methods for objects with class "tapers"
dB | Various utility functions.
db | Various utility functions.
decibels | Various utility functions.
det_vector | det_vector

## -- G --

get_adapt_history | Various environment manipulation functions.
get_psd_env_name | Various environment manipulation functions.
get_psd_env_pointer | Various environment manipulation functions.

## -- H --

hfsnm | Noise levels found in PBO strainmeter data at seismic frequencies.

## -- I --

is.amt | Various utility functions.
is.spec | Various utility functions.
is.tapers | Various utility functions.

## -- L --

last_psd | Various environment manipulation functions.
lines.spec | Generic methods for objects with class "spec"
lines.tapers | Generic methods for objects with class "tapers"

## -- M --

magnet | A single line of Project MAGNET horizontal field intensity
minspan | Taper constraint methods
minspan.default | Taper constraint methods
minspan.tapers | Taper constraint methods
mod | Various utility functions.
modulo_floor | Nearest value below

## -- N --

na_locf | Various utility functions.
na_locf.default | Various utility functions.
na_locf.matrix | Various utility functions.
na_mat | Various utility functions.
new_adapt_history | Various environment manipulation functions.
normalization | Normalization of power spectral density estimates.
normalize | Normalization of power spectral density estimates.
normalize.amt | Normalization of power spectral density estimates.
normalize.list | Normalization of power spectral density estimates.
normalize.spec | Normalization of power spectral density estimates.

## -- O --

ones | Various utility functions.

## -- P --

parabolic_weights | parabolic_weights_field
parabolic_weights.default | parabolic_weights_field
parabolic_weights.tapers | parabolic_weights_field
parabolic_weights_field | parabolic_weights_field
parabolic_weights_rcpp | parabolic_weights_field
pgram_compare | Compare multitaper spectrum with cosine-tapered periodogram
pgram_compare.amt | Compare multitaper spectrum with cosine-tapered periodogram
phase | phase
pilot_spec | Calculate initial power spectral density estimates
pilot_spec.default | Calculate initial power spectral density estimates
pilot_spec.matrix | Calculate initial power spectral density estimates
pilot_spec.ts | Calculate initial power spectral density estimates
pilot_spectrum | Calculate initial power spectral density estimates
plot.tapers | Generic methods for objects with class "tapers"
points.tapers | Generic methods for objects with class "tapers"
prewhiten | Prepare a series for spectral estimation
prewhiten.default | Prepare a series for spectral estimation
prewhiten.ts | Prepare a series for spectral estimation
print.summary.tapers | Generic methods for objects with class "tapers"
print.tapers | Generic methods for objects with class "tapers"
psd | Adaptive power spectral density estimation using optimal sine multitapers
psd-environment | Various environment manipulation functions.
psd-normalization | Normalization of power spectral density estimates.
psd-utilities | Various utility functions.
psdcore | Multitaper power spectral density estimates of a series
psdcore.default | Multitaper power spectral density estimates of a series
psdcore.matrix | Multitaper power spectral density estimates of a series
psdcore.ts | Multitaper power spectral density estimates of a series
psd_envAssign | Various environment manipulation functions.
psd_envAssignGet | Various environment manipulation functions.
psd_envClear | Various environment manipulation functions.
psd_envGet | Various environment manipulation functions.
psd_envList | Various environment manipulation functions.
psd_envRefresh | Various environment manipulation functions.
psd_envStatus | Various environment manipulation functions.
pspectrum | Adaptive sine multitaper power spectral density estimation
pspectrum.default | Adaptive sine multitaper power spectral density estimation
pspectrum.matrix | Adaptive sine multitaper power spectral density estimation
pspectrum.spec | Adaptive sine multitaper power spectral density estimation
pspectrum.ts | Adaptive sine multitaper power spectral density estimation
pspectrum_basic | Adaptive sine multitaper power spectral density estimation

## -- R --

rcpp_ctap_simple | c++ implementation of the RLP constraint filter
resample_fft_rcpp | Resample an fft using varying numbers of sine tapers
resample_mvfft | Resample an fft using varying numbers of sine tapers
riedsid | Constrained, optimal tapers using the Riedel & Sidorenko-Parker method
riedsid.default | Constrained, optimal tapers using the Riedel & Sidorenko-Parker method
riedsid.spec | Constrained, optimal tapers using the Riedel & Sidorenko-Parker method
riedsid2 | Constrained, optimal tapers using the Riedel & Sidorenko-Parker method
riedsid2.default | Constrained, optimal tapers using the Riedel & Sidorenko-Parker method
riedsid2.spec | Constrained, optimal tapers using the Riedel & Sidorenko-Parker method
riedsid_rcpp | replaces time consuming portion of riedsid2
rowvec | Various utility functions.

## -- S --

spec-methods | Generic methods for objects with class "spec"
spec.pilot | Calculate initial power spectral density estimates
spec.psd | Adaptive power spectral density estimation using optimal sine multitapers
spectral_properties | Calculate properties of multitaper power spectral density estimates
spectral_properties.default | Calculate properties of multitaper power spectral density estimates
spectral_properties.spec | Calculate properties of multitaper power spectral density estimates
spectral_properties.tapers | Calculate properties of multitaper power spectral density estimates
spec_confint | Confidence intervals for multitaper power spectral density estimates
spec_confint.default | Confidence intervals for multitaper power spectral density estimates
spec_confint.spec | Confidence intervals for multitaper power spectral density estimates
spec_confint.tapers | Confidence intervals for multitaper power spectral density estimates
spec_details | Generic methods for objects with class "spec"
splineGrad | Numerical derivatives of a series based on its smooth-spline representation
splineGrad.default | Numerical derivatives of a series based on its smooth-spline representation
summary.tapers | Generic methods for objects with class "tapers"

## -- T --

tapers | Coerce an object into a "tapers" object.
tapers-constraints | Taper constraint methods
tapers-methods | Generic methods for objects with class "tapers"
tapers-refinement | Taper constraints using simple derivatives
Tohoku | Observations of teleseismic strains from the 2011 Tohoku earthquake.

## -- U --

update_adapt_history | Various environment manipulation functions.
update_adapt_history.default | Various environment manipulation functions.
update_adapt_history.spec | Various environment manipulation functions.

## -- V --

varddiff | Various utility functions.
varddiff.default | Various utility functions.
varddiff.spec | Various utility functions.
vardiff | Various utility functions.
vector_reshape | Various utility functions.

## -- W --

wipp30 | Water levels from borehole WIPP30

## -- Z --

zeros | Various utility functions.

## -- misc --

.spec_confint | Confidence intervals for multitaper power spectral density estimates