locits1.7.7 package

Test of Stationarity and Localized Autocovariance

AutoBestBW

Choose a good bandwidth for running mean smoothing of a EWS spectral e...

covI

Compute the covariance between two wavelet periodogram ordinates at th...

covIwrap

A wrapper for the covI function.

Cvarip2

Computes variance of Haar wavelet coefficients of wavelet periodogram ...

EstBetaCov

Compute estimate of wavelet periodogram and the estimate's covariance ...

ewspec3

Compute evolutionary wavelet spectrum of a time series.

ewspecHaarNonPer

Compute evolutionary wavelet spectrum (EWS) estimate based on the Haar...

getridofendNA

Replaces all NAs in vector by 0

HwdS

Compute the non-decimated Haar wavelet transform without using periodi...

hwt

Compute a Haar wavelet transform for data of arbitrary n length

hwtos

Haar wavelet test for (second-order) stationarity for arbitrary length...

hwtos2

Test of second-order stationarity using wavelets.

idlastzero

Return the index of the last zero in a vector

lacf

Compute localized autocovariance.

littlevar

Subsidiary helper function for hwtos2

locits-package

New test of second-order stationarity and confidence intervals for loc...

mkcoef

Compute discrete wavelets.

plot.hwtANYN

Plots the transform contained in an hwtANYN object.

plot.lacf

Plot localized autocovariance (lacf) object.

plot.lacfCI

Plot confidence intervals for localized autocovariance for locally sta...

plot.tos

Produces a graphical representation of the results of a test of statio...

plot.tosANYN

Produces a graphical representation of the results of a test of statio...

print.hwtANYN

Print out a hwtANYN class object, eg from the link{hwt}function.

print.lacf

Print lacf class object

print.lacfCI

Print basic information about a lacfCI object.

print.tos

Print out a tos class object, eg from the link{hwtos2}function.

print.tosANYN

Print out a tosANYN class object, eg from the link{hwtos}function.

runmean

Compute a running mean of a vector

Rvarlacf

Compute confidence intervals for localized autocovariance for locally ...

StoreStatistics

Interogates calculation store to see how well we are reusing previous ...

summary.hwtANYN

Summarize the results of a Haar wavelet transform object computed from...

summary.lacf

Summarizes a lacf object

summary.lacfCI

Produce a brief summary of the contents of a lacfCI object

summary.tos

Summarize the results of a test of stationarity contained i a tos ob...

summary.tosANYN

Summarize the results of a test of stationarity contained in an `tosAN...

tvar1sim

Simulate a realization from a particular TVAR(1) model.

varip2

Direct computation of estimate of variance of v_ip, the Haar wavelet c...

whichlevel

Helper routine for mkcoef

zeropad

Intersperse zeroes in a vector.

Provides test of second-order stationarity for time series (for dyadic and arbitrary-n length data). Provides localized autocovariance, with confidence intervals, for locally stationary (nonstationary) time series. See Nason, G P (2013) "A test for second-order stationarity and approximate confidence intervals for localized autocovariance for locally stationary time series." Journal of the Royal Statistical Society, Series B, 75, 879-904. <doi:10.1111/rssb.12015>.

  • Maintainer: Guy Nason
  • License: GPL (>= 2)
  • Last published: 2023-09-05