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updated 2 months ago

Chaos test by Ahmed Ben Saïda

A test for chaotic dynamics of a noisy time series based on the Lyapunov exponent. (chaos, bifurcation, lyapunov exponent)

chaosfn(Theta, X, L, m, q, ActiveFN)

chaostest.m

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updated 3 months ago

MAX WIDTH by Cesar Manuel Diez Chirinos

CALCULATING MAX WIDTH FROM A SERIES (time series, width time series, maxim width time seri...)

widthA(d)

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updated 4 months ago

Interactive Peak Fitter (Version 9.2) by Tom O'Haver

Keyboard operated peak fitting function for time-series signals. (chemistry, curve fitting, peak fitting)

ipf(arg1,arg2,arg3,arg4)

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updated 4 months ago

Find values in a vector or function by Adrian Lara-Quintanilla

For a function y=f(x), this script looks for all the "x" values for a desired value of "y" (y0). (mathematics, data exploration, time series)

varargout=findvalues(vector,yvalue)

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updated 4 months ago

Peak Fitter by Tom O'Haver

Command-line peak fitter for time-series signals. Version 3.6: February, 2013. (statistics, signal processing, decomposition)

[FitResults,LowestError,BestStart,xi,yi,BootResults]=peakfi...

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updated 5 months ago

Working with Time-Series Data in MATLAB by Abhaya

These are the example files for the webinar: "Working with Time-Series Data in MATLAB". (data exploration, interpolation, data import)

createfigure(X1, Y1)

ausmap.m

format_data.m

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updated 5 months ago

Finding pairs in (not equidistant) time series by Peter Csordas

Seeks for nearest (lower or upper) neighbors of x(i) in y - where x and y are time vectors (nearest neighbor, signal processing, time series)

[y2 idx]=nearest(x,y,type,varargin)

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updated 6 months ago

TEMPORAL DISAGGREGATION LIBRARY by Enrique M. Quilis

Temporal disaggregation of economic time series (balancing, econometrics, time series)

[]=mtd_plot(res)

[]=td_plot(res)

[]=tduni_plot(res)

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updated 6 months ago

Anomaly Detection by michael kim

Given m points in R^n (as a matrix), find the outliers via dimensionality reduction and resampling. (kolmogorov smirnov, statistics, machine learning)

kse_test(x)

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updated 8 months ago

MATLAB Implementation of Harmonic ANalysis of Time Series (HANTS) by Mohammad Abouali

Harmonic ANalysis of Time Series (HANTS) (harmonic analysis, c, compression)

[Data]=ReconstructImage(amp,phi,nb)

[amp,phi,yr]=HANTS(ni,nb,nf,y,ts,HiLo,low,high,fet,dod,delt...

[yOut, amp, phi]=ApplyHants(y,nb,nf,fet,dod,HiLo,low,high,d...

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updated 10 months ago

bag-of-words representation for biomedical time series classificaiton by Jin

a simple yet effective bag-of-words representation for biomedical time series, such as EEG and ECG. (bag of words, ecg, time series)

do_form_codebook(config_file)

do_representation(config_file)

do_vq(config_file)

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updated 1 year ago

Minimum embedding dimension by mirwais

Finds minimum embedding dimension with false nearest neighbours method. (false nearest neighbo..., minimum embedding dim..., phase space reconstru...)

knn_deneme(x,tao,mmax,rtol,atol)

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updated 1 year ago

Minimum embedding dimension by mirwais

Provides both phase space reconstruction and finding minimum embedding dimension with Cao's method. (minimum embedding dim..., phase space reconstru..., cao)

cao_deneme(x,tao,mmax)

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updated 1 year ago

Autocovariance by Jacques Burrus

Computes the autocovariance of two columns vectors consistently with the var and cov functions. (autocovariance, covariance, time series)

autocov(X,Y)

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updated 1 year ago

Outlier Detection and Removal [hampel] by Michael Lindholm Nielsen

Detect and replace outliers with appropriate local values in a non-linear time series. (hampel filter, probability, time series)

hampel(X, Y, DX, T, varargin)

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updated 1 year ago

sMath by Steinar Elgsæter

Add, subtract, multiply or divide two time series which can be sampled differently. (time series, add, subtract)

sMath.m

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updated 1 year ago

The Waveform Suite for MATLAB by Celso Reyes

Allows seismic data retrieval from varied sources and simplified creation of sophisticated programs (data import, earth science, seismology)

uispecgram(varargin)

datasource(whichsource, varargin)

filterobject(anything, cutoff, poles)

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updated 1 year ago

Weighted Data Binning [wbin] by Michael Lindholm Nielsen

Weighted data binning. (weighted data binning, data binning, time series)

wbin(X, Y, E, DX)

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updated 2 years ago

Zero Crossing Rate by Jose R Zapata

Calculates the Zero Crossing Rate for a array of values, work for vector and matrix (time series, signal processing, zero crossing rate)

ZCR(x)

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updated 2 years ago

Myplotyy by Friedhelm Steinhilber

Myplotyy plots different data sets with a common x-axis but using individual y-axes in one figure. (add axis, confidence intervals, plotyy)

myplotyy(M,varargin)

myplotyy_example.m

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updated 2 years ago

Cointegration and Pairs Trading with Econometrics Toolbox by Stuart Kozola

Demo files from the webinar of same title. (cointegration, pairs trading, forecasting)

Demo 1: Cointegration

Intraday Pairs trading

README.M

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updated 2 years ago

TS MATLAB by Juan Bógalo Román

TS is an interface in Matlab for TRAMO-SEATS (time series, statistics, arima models)

[res]=ts(x,nom,year,per,s,opc,varargin)

[res]=tsml(x,nom,year,per,s,opc,pathTramo,pathSeats,executa...

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updated 2 years ago

Time Series estimation of Cyclical data process by Moeti Ncube

Procedure for estimation cyclical data (time series, ar1 process, estimation)

cyclicalmodel.m

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updated 2 years ago

Parameter Estimation Technique for general datasets by Moeti Ncube

An estimation procedure for many types of data (electricity price spi..., em algorithm, calibration)

[x,y,l]=simulatej(a,b,c,d,g,h,lambda,x0,T)

y1=likelihoodj(y,x,a,b,c,d,g,h,lambda)

y=mx(a,x)

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updated almost 3 years ago

fixDaylightSaving_series.m by Ashley

Fix Daylight Saving Time in time Series (time, convert, daylight saving)

fixDaylightSaving_series(DatesDT,TimeZone)

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updated 3 years ago

plotXmatrix.m by Joshua Carmichael

Plots data on separate y-axes (matrix, signal processing, time series)

[dataout,varargout]=plotXmatrix(data,varargin)

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updated 3 years ago

xcorAlign.m by Joshua Carmichael

Shifts data by maximum cross correlation (cross correlation, time series, matrix)

[y,varargout]=xcorAlign(x)

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updated 3 years ago

normColumns.m by Joshua Carmichael

normalizes matrix columns (normalization, time series, signal processing)

[Wout,varargout]=normColumns(W)

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updated 3 years ago

SDamala Toolbox by Angélica María Atehortúa Labrador

Dynamical systems Toolbox, for simulation and analysis dynamical systems deterministic (bifurcation diagram, phase portrait, dynamical systems)

About(varargin)

TC_bifur

[T,Res]=tc_explyapunov(f,to,dt,tf,ystart,ioutp)

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updated 3 years ago

Calculate final dates in time series created on general steps by Gerald Augusto Corzo Perez

Four functions for changing from time steps into dates. In general dates management for time series (date management, dates, find dates)

Days=FindDays(InitialDate,FinalDate)

FinalDate=FindFinalDate(InitialDate,Ndays)

InitialDate=FindInitialDate(FinalDate,Ndays)

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updated 3 years ago

Time Series Viewer by Scott Hirsch

Interactive tool for plotting time series. (data exploration, telemetry, time series)

datalabel(state,marker_color);

dddrag

dragtext(hObject);

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updated 3 years ago

ARFIMA simulations by Simone Fatichi

Time series simulation with ARFIMA models. (arfima, time series, statistics)

ARFIMA_SIM(N,F,O,d,stdx,er)

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updated almost 4 years ago

Fast array peak finder by George Zipfel

Finds locations of all maxima and corresponding maximum values in a 1D array. (time series, maxima, peak finder)

peak=zipeaks(y)

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updated 4 years ago

autocov.m by Phillip M. Feldman

compute sample autocovariance of a time series (vector) (autocovariance, time series, covariance)

autocov(x,maxlag)

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updated 4 years ago

acfplot.m by Phillip M. Feldman

compute and plot estimate of the autocorrelation of an input sequence (autocorrelation, correlation, time series)

acfplot(Y, Fs, maxlag, titlestr)

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updated 4 years ago

bbcorr: Bootstrap statistics for Pearson's correlation coefficient by Thomas Maag

Double block bootstrap percentile confidence interval for Pearson's r and Fisher's z. (econometrics, regression, statistics)

[R,Rpc,Rsd,Rpt,Z,Zpc,Zsd,Zpt]=bbcorr(X,reps1,reps2,p,bL,sil...

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updated 4 years ago

bbcorrdiff: Bootstrap statistics for the difference of correlation coefficients by Thomas Maag

Double block bootstrap confidence interval for the difference of two correlation coefficients. (econometrics, regression, statistics)

bbcorrdiff(X,reps1,reps2,p,bL,silent)

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updated 4 years ago

ACMUB: Median Unbiased Estimation of the AR(p) Model by Thomas Maag

Approximately median unbiased estimation of the AR(p) model following Andrews and Chen (1994). (econometrics, statistics, time series)

[bw,b0,aw,a0]=acmub(Y,p,reps,tol1,tol2,model,silent)

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updated 4 years ago

Dilates matrix data by Joshua Carmichael

Dilates a time series input and resizes it. (signal processing, wavelets, dsp)

[W]=dilateColumns(data,varargin)

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updated 4 years ago

showYs by Pablo Borruel

Shows y-values of time series in 2D plots by clicking on the axes. (data exploration, plot, 2d)

showYs(action,varargin)

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updated 5 years ago

HarmonicSeries.m by Carlos Adrian Vargas Aguilera

Space-Time series (1D, 2D, or 3D) as the sum of cosines. (spectral analysis, harmonic, cosine)

harmonicseries(AMP,PER,PHA,LEN,DIR,T,X,Y)

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updated 5 years ago

Interactive Peak Fitter, version 2.2 by Tom O'Haver

A peak fitting program for time-series signals. (chemistry, physics, peak fitting)

(2.*n)./(1+n);

4*exp(-e).*(1-exp(-e)); g(1:round(a1))=0;

ExpBroaden(g',timeconstant);

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updated 5 years ago

ARMA PARAMETER ESTIMATION by Miguel Angel Lagunas

Estimating the parameter of AR-MA sequences is fundamental. Here we present another method for ARMA (arma, durbin, cepstrum)

[sigma,outn,outd]=arma_last(xinf,np,nq);

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updated 5 years ago

maxalign.m by Joshua Carmichael

Aligns a matrix of signals by their maxima (annotation, customization, plotting)

[Wout,varargout]=maxalign(W,varargin)

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updated 5 years ago

Comparing Time Series using Semblance Analysis by Gordon Cooper

This program shows the correlation between two datasets as a function of both time and wavelength. (time series, crosscorrelation, wavelets)

s=semblance(t,y1,y2,nscales)

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updated 5 years ago

Forced Duffing Oscillator by Housam Binous

Computes Poincaré section of the forced Duffing oscillator (chemistry, physics, poincar)

xdot=duffing(t,x)

MainDuffing.m

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updated almost 6 years ago

Test of non-linearity by Adrian Barnett

A bootstrap test of non-linearity for time series data (time series, bootstrap, nonlinearity)

[XXX,waxis]=third(y,nlag,centre,outmax);

aaft(xV, nsur)

boottime.m

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updated 6 years ago

Time Series Library - tslib by Miroslav Balda

The library contains a set of functions for manipulation and processing of 3D-time-series arrays (matrices, mimo systems, time series)

response(G,x,m)

tsarr2mtx(A)

tsarr2sub(A)

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updated 6 years ago

InverseFourierTransform.m by Carlos Adrian Vargas Aguilera

Gets the real time series from the complex Fourier transform. (spectral analysis, inverse fourier, time series)

inversefouriertransform(Cx,varargin)

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updated almost 7 years ago

Constrained Dynamic Time Warping Distance Measure by Dave DeBarr

This MEX function computes the constrained dynamic time warping distance between two time series. (dtw, time series, audio processing)

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