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Autocorrelation - Wikipedia, the free encyclopedia

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A plot showing 100 random numbers with a "hidden" sine function, and an autocorrelation (correlogram) of the series on the bottom. ...
en.wikipedia.org/wiki/Autocorrelation - 42k - Im Cache - Ähnliche Seiten

Autocorrelation technique - Wikipedia, the free encyclopedia

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The autocorrelation technique is a method for estimating the dominating frequency in a complex signal, as well as its variance. ...
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Kapitel 12 Autocorrelation 12.1 Das Problem •

Dateiformat: PDF/Adobe Acrobat - HTML-Version
Kapitel 12 - Autocorrelation. 12.2. • Bei Zeitreihendaten muss man immer mit ..... Kapitel 12 - Autocorrelation. 12.11. • Wenn wir Schätzwerte für ρ und ...
www.lsw.wiso.uni-erlangen.de/studium/grundstudium/06ss/statistik2/vorlesung/Kapitel12_2.pdf - Ähnliche Seiten

Autocorrelation -- from Wolfram MathWorld

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be a periodic sequence, then the autocorrelation of the sequences, sometimes called the periodic autocorrelation (Zwillinger 1995, p. 223), is the sequence ...
mathworld.wolfram.com/Autocorrelation.html - 28k - Im Cache - Ähnliche Seiten

What is autocorrelation?

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14. Febr. 2006 ... Autocorrelation is the correlation of a signal with itself (Parr 1999). This is unlike cross-correlation, which is the correlation of two ...
cnx.org/content/m13391/latest/ - 18k - Im Cache - Ähnliche Seiten

Autocorrelation of Random Processes

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Summary: The module will explain Autocorrelation and its function and properties. Also, examples will be provided to help you step through some of the more ...
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Autocorrelation

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Autocorrelation - Definition of Autocorrelation on Investopedia - A mathematical representation of the degree of similarity between a given time series and ...
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1.3.5.12. Autocorrelation

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Although the time variable, X, is not used in the formula for autocorrelation, the assumption is that the observations are equi-spaced. ...
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1.3.3.1. Autocorrelation Plot

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In addition, autocorrelation plots are used in the model identification stage for Box-Jenkins autoregressive, moving average time series models. ...
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Investment Performance Analysis & Risk Management - Autocorrelation

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In a performance context, positive autocorrelation of period returns can result in ... Negative autocorrelation can result in a positive (negative) relative ...
www.andreassteiner.net/performanceanalysis/?Risk_Measurement:Advanced_Topics:Autocorrelation - 24k - Im Cache - Ähnliche Seiten

Selection of the autocorrelation function of the noise part of the ...

The method involves estimating (120) the autocorrelation function for the noise component in the received message signal, comparing with master ...
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Convolution and Autocorrelation

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Here the difference between autocorrelation and convolution is illustrated by considering the following function which is a unit ramp cut off at t = 1. ...
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Ritter's Noise Glossary

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The autocorrelation result is typically a correlation computed for every possible ... The autocorrelation values are computed here using FFT techniques. ...
www.ciphersbyritter.com/NOISE/NOISGLOS.HTM - 29k - Im Cache - Ähnliche Seiten

Autocorrelation

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The cross-correlation of a signal with itself gives its autocorrelation: ... is real, its autocorrelation is real and even (symmetric about lag zero). ...
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ECONOMETRICS: AN APPLIED APPROACH - Chapter 12

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Chapter 12: Autocorrelation. Related links:. Online Statistical Calculators and Tables: This page contains links to online calculators that compute either ...
www.oswego.edu/~kane/econometrics/chap12.htm - 2k - Im Cache - Ähnliche Seiten

Autocorrelation Display

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The ACORR analyzer displays the autocorrelation function. The x- axis is the time as milliseconds. The y –axis is the correlation. ...
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Swamp Optics--Autocorrelation Tutorial

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The intensity autocorrelation was the first attempt to measure an ... This is the intensity autocorrelation. The superscript (2) implies that it's a ...
www.swampoptics.com/tutorials_autocorrelation.htm - 14k - Im Cache - Ähnliche Seiten

Autocorrelation « Open Mind

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22. März 2008 ... I’d like to discuss how that trend rate is often estimated, and the effect of autocorrelation on that estimate. If you already know all the ...
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SHAZAM Testing for Autocorrelation

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The following options on the OLS command can be used to obtain test statistics for detecting the presence of autocorrelation in the residuals. ...
shazam.econ.ubc.ca/intro/testauto.htm - 11k - Im Cache - Ähnliche Seiten
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Trading Autocorrelation May, 2003

Dateiformat: PDF/Adobe Acrobat - HTML-Version
Some of these contracts on autocorrelation have important im- ..... While equities typically display low autocorrelation, many com- ...
www.math.nyu.edu/research/carrp/papers/pdf/tradingmeanreversionoh.pdf - Ähnliche Seiten

Autocorrelation | DSPRelated.com

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4. Jan. 2005 ... Hi: im interested in finding autocorrelation function for a whole signal ... construction of a signal given its autocorrelation sequence ...
www.dsprelated.com/comp.dsp/keyword/Autocorrelation.php - 43k - Im Cache - Ähnliche Seiten

autocorrelation

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Frequently, autocorrelation refers to correlations among adjacent time periods (lag 1 autocorrelation). There may be an autocorrelation for a time lag of ...
armstrong.wharton.upenn.edu/dictionary/definitions/autocorrelation.html - 2k - Im Cache - Ähnliche Seiten

Cross Correlation

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When the correlation is calculated between a series and a lagged version of itself it is called autocorrelation. A high correlation is likely to indicate a ...
local.wasp.uwa.edu.au/~pbourke/other/correlate/ - 13k - Im Cache - Ähnliche Seiten

Autocorrelation Estimation

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and then estimate the autocorrelation matrix of the residuals. ... The difference between the autocorrelation of the error and the autocorrelation of the ...
www.fmrib.ox.ac.uk/analysis/techrep/tr01mw1/tr01mw1/node7.html - 13k - Im Cache - Ähnliche Seiten

GIS Dictionary - ESRI Support

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See Also : correlation, spatial autocorrelation, Tobler's First Law of Geography ... Temporal data is said to exhibit serial autocorrelation when values ...
support.esri.com/index.cfm?fa=knowledgebase.gisDictionary.search&searchTerm=autocorrelation - 28k - Im Cache - Ähnliche Seiten
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Lecture notes on Waves/Spectra Noise, Correlations and ….

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The autocorrelation function tells us the time interval over which a correlation in the ... autocorrelation function there is only time history of data. ...
coke.physics.ucla.edu/laptag/Lectures/Lecture5.pdf - Ähnliche Seiten

Autocorrelation (statistics) - Mathematics Dictionary and Research ...

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Autocorrelation - Autocorrelation is a mathematical tool used frequently in signal processing for analysing functions or series.
www.123exp-math.com/t/01704053490/ - 13k - Im Cache - Ähnliche Seiten

FAQ: Testing for panel-level heteroskedasticity and autocorrelation

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Iterated GLS with autocorrelation does not produce the maximum likehood estimates, so we cannot use the likelihood-ratio test procedure, ...
www.stata.com/support/faqs/stat/panel.html - 17k - Im Cache - Ähnliche Seiten

Convex optimization problems involving finite autocorrelation ...

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Autocorrelation constraints in optimization problems are often approximated by sampling the corresponding power spectral density, which results in a set of ...
www.ee.ucla.edu/~vandenbe/alv01b.htm - 6k - Im Cache - Ähnliche Seiten

Compute autocorrelation of vector inputs - Simulink

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The Autocorrelation block computes the autocorrelation along each column of a frame-based input, and computes along the first dimension of an N-D ...
www.mathworks.com/access/helpdesk/help/toolbox/dspblks/ref/autocorrelation.html - 20k - Im Cache - Ähnliche Seiten

BioMed Central | Full text | Autocorrelation analysis reveals ...

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In order to assess the prevalence of this effect and better understand its origins, we applied an autocorrelation analysis of the relationship between ...
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autocorrelation, matlab/octave - www.mikrocontroller.net

Forum: Digitale Signalverarbeitung / DSP autocorrelation, matlab/octave ... Dateianhang: autocorrelation.png (19,1 KB, 193 Downloads) ...
www.mikrocontroller.net/topic/79039 - 38k - Im Cache - Ähnliche Seiten

Multivariate Statistics - Spatial Autocorrelation

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Spatial autocorrelation is an assessment of the correlation of a variable in reference to spatial location of the variable.
www.pfc.forestry.ca/profiles/wulder/mvstats/spatial_e.html - 16k - Im Cache - Ähnliche Seiten

Online Econometrics Textbook - Regression Extensions - Assumption ...

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Sometimes lagged endogenous and/or exogenous variables can be introduced in order to reduce the autocorrelation problem. This is a quite flexible tool with ...
www.xycoon.com/autocorrelation.htm - 31k - Im Cache - Ähnliche Seiten

Autocorrelation plots

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Autocorrelation plots. You will then be given the option of producing a plot of the ... figure528 Figure 4: CODA autocorrelation plots for the line example ...
www.mrc-bsu.cam.ac.uk/bugs/documentation/coda03/node32.html - 3k - Im Cache - Ähnliche Seiten

FROG: tutorial -- Autocorrelation

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The intensity autocorrelation was the first attempt to measure an ultrashort pulse’s intensity vs. time. Early on (the 1960’s), it was realized that no ...
www.physics.gatech.edu/gcuo/Tutorial/Autocorrelation.html - 20k - Im Cache - Ähnliche Seiten

autocorrelation | German | Dictionary & Translation by Babylon

autocorrelation. Dictionary terms for autocorrelation in Deutsch, Deutsch definition for autocorrelation, Thesaurus and Translations of autocorrelation to ...
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Isolating Spatial Autocorrelation, Aggregation Bias, and ...

For one, all models of spatial autocorrelation introduced in AC’s Section 5 ... fects of spatial autocorrelation, the article contains no information about ...
pan.oxfordjournals.org/cgi/reprint/10/3/298.pdf - Ähnliche Seiten

Portfolio return autocorrelation

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Downloadable (with restrictions)! Author(s): Mech, Timothy S.. 1993 Abstract: No abstract is available for this item.
ideas.repec.org/a/eee/jfinec/v34y1993i3p307-344.html - 12k - Im Cache - Ähnliche Seiten

A Simple, Positive Semi-definite, Heteroskedasticity and ...

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A Simple, Positive Semi-definite, Heteroskedasticity and Autocorrelation Consistent Covariance Matrix. Author info | Abstract | Publisher info | Download ...
ideas.repec.org/a/ecm/emetrp/v55y1987i3p703-08.html - 11k - Im Cache - Ähnliche Seiten

Momentum and Autocorrelation in Stock Returns

Empirically the autocorrelation patterns in returns are inconsistent with ..... tied to the autocorrelation of returns, a fact that I will use later. ...
rfs.oxfordjournals.org/cgi/reprint/15/2/533.pdf - Ähnliche Seiten
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Spatial Autocorrelation

Dateiformat: Microsoft Powerpoint - HTML-Version
Most statistics are based on the assumption that the values of observations in each sample are independent of one another; Positive spatial autocorrelation ...
www.css.cornell.edu/courses/620/lecture9.ppt - Ähnliche Seiten

The Inverse Autocorrelation Function

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The sample inverse autocorrelation function (SIACF) plays much the same role in ARIMA modeling as the sample partial autocorrelation function (SPACF) but ...
www.technion.ac.il/docs/sas/ets/chap7/sect25.htm - 6k - Im Cache - Ähnliche Seiten

The L1-norm of out-of-phase peaks of the aperiodic autocorrelation ...

@inproceedings{SB00topo, author = "Slawomir Stanczak and Holger Boche", title = "{The L1-norm of out-of-phase peaks of the aperiodic autocorrelation ...
www.mk.tu-berlin.de/publikationen/objects/2000/pub08/base_view?month:int=5&year:int=2008 - 36k - Im Cache - Ähnliche Seiten
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An Introduction to Spatial Autocorrelation Analysis with GeoDa Luc ...

Dateiformat: PDF/Adobe Acrobat - HTML-Version
The first step in the analysis of spatial autocorrelation is to .... autocorrelation. GeoDa computes this on the fly, so you don’t have to create a spatial ...
www.sal.uiuc.edu/stuff/stuff-sum/pdf/spauto.pdf - Ähnliche Seiten

Leveraging Relational Autocorrelation with Latent Group Models

formally, autocorrelation is defined with respect to a set of. related instance pairs P ... Current collective models, which model autocorrelation ...
ieeexplore.ieee.org/iel5/10470/33217/01565695.pdf?arnumber=1565695 - Ähnliche Seiten

New nonbinary sequences with ideal two-level autocorrelation ...

The sequences have two-level ideal autocorrelation and .... has an ideal two-level autocorrelation, where all indexes of the. ’s are taken ...
ieeexplore.ieee.org/iel5/18/22335/01042297.pdf?arnumber=1042297 - Ähnliche Seiten

Bores Signal Processing - Introduction to DSP - time domain ...

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Autocorrelation (correlating a signal with itself) can be used to extract a ... The separation of signal from noise using autocorrelation works because the ...
www.bores.com/courses/intro/time/2_auto.htm - 5k - Im Cache - Ähnliche Seiten

Autocorrelation of factors and model validation

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Spatial autocorrelation is a particular case of autocorrelation. Temporal autocorrelation is also a very common phenomenon in ecology. ...
www.ento.vt.edu/~sharov/PopEcol/lec4/autocor.html - 16k - Im Cache - Ähnliche Seiten

Publications about 'autocorrelation'

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SPM is a Matlab software package implementing Statistical Parametric Mapping for neuroimaging data.
www.fil.ion.ucl.ac.uk/spm/doc/biblio/Keyword/AUTOCORRELATION.html - 10k - Im Cache - Ähnliche Seiten



 

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