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Longer titles found: Autocorrelation (words) (view), Autocorrelation technique (view), Partial autocorrelation function (view), Phylogenetic autocorrelation (view), Optical autocorrelation (view), Constant amplitude zero autocorrelation waveform (view)

searching for Autocorrelation 85 found (811 total)

alternate case: autocorrelation

Colors of noise (3,593 words) [view diff] exact match in snippet view article find links to article

analysis and market forecasting. There are two algorithms based on autocorrelation functions that can identify the dominant noise type in a data set provided

GeoDa (1,086 words) [view diff] exact match in snippet view article find links to article

package that conducts spatial data analysis, geovisualization, spatial autocorrelation and spatial modeling. It runs on different versions of Windows, Mac

Inverse distance weighting (1,229 words) [view diff] exact match in snippet view article find links to article

method can also be used to create spatial weights matrices in spatial autocorrelation analyses (e.g. Moran's I). The name given to this type of method was

Correlation function (astronomy) (493 words) [view diff] exact match in snippet view article

"correlation function" refers to the two-point autocorrelation function. The two-point autocorrelation function is a function of one variable (distance);

Correlation function (astronomy) (493 words) [view diff] exact match in snippet view article

"correlation function" refers to the two-point autocorrelation function. The two-point autocorrelation function is a function of one variable (distance);

MUSIC (algorithm) (2,161 words) [view diff] exact match in snippet view article

the p × p {\displaystyle p\times p} autocorrelation matrix of s {\displaystyle \mathbf {s} } . The autocorrelation matrix R x {\displaystyle \mathbf {R}

Seasonal subseries plot (586 words) [view diff] exact match in snippet view article find links to article

data typically has a period of 12. If the period is not known, an autocorrelation plot or spectral plot can be used to determine it. If there is a large

CrimeStat (1,810 words) [view diff] exact match in snippet view article find links to article

distribution of the objects, identify hot spots, indicate spatial autocorrelation, monitor the interaction of events in space and time, and model travel

Tobler's first law of geography (1,216 words) [view diff] exact match in snippet view article find links to article

foundation of the fundamental concepts of spatial dependence and spatial autocorrelation and is utilized specifically for the inverse distance weighting method

Proximity analysis (819 words) [view diff] exact match in snippet view article find links to article

friction of distance, Tobler's first law of geography, and Spatial autocorrelation, which are incorporated into analytical tools. Proximity methods are

Image texture (1,293 words) [view diff] exact match in snippet view article find links to article

with each pixel associated with a vector of 9 texture attributes. The autocorrelation function of an image can be used to detect repetitive patterns of textures

Volatility clustering (417 words) [view diff] exact match in snippet view article find links to article

their squares display a positive, significant and slowly decaying autocorrelation function: corr(|rt|, |rt+τ |) > 0 for τ ranging from a few minutes

Hydrograph (1,781 words) [view diff] exact match in snippet view article find links to article

up in the basin during the earlier phases of the hydrograph. Lag-1 autocorrelation method to compare streamflow data to itself by shifting or "lagging"

Seasonality (2,502 words) [view diff] exact match in snippet view article find links to article

if the period is not known, the autocorrelation plot can help. If there is significant seasonality, the autocorrelation plot should show spikes at lags

Indicators of spatial association (580 words) [view diff] exact match in snippet view article find links to article

spatial autocorrelation developed by Roy C. Geary in 1954. It is inversely related to Moran's I, but more sensitive to local autocorrelation than Moran's

Complementary code keying (662 words) [view diff] exact match in snippet view article find links to article

immediately from their definition that the sum of their respective autocorrelation sequences was zero at all points except for the zero shift where it

Patrick Doreian (466 words) [view diff] exact match in snippet view article find links to article

scientific collaboration, partitioning networks, signed networks, network autocorrelation and the US Supreme Court. He was also an (co)editor of The Journal

Modifiable areal unit problem (2,203 words) [view diff] exact match in snippet view article find links to article

variables, each of which may exhibit non-stationarity and spatial autocorrelation across space in different ways. Others have suggested developing statistics

Brush-tailed rabbit rat (999 words) [view diff] exact match in snippet view article find links to article

individuals over 5 km distances, although significant values of spatial autocorrelation of genotypes persisted for distances of more than 100 km. This suggests

Modifiable temporal unit problem (1,154 words) [view diff] exact match in snippet view article find links to article

However, the daily data in the example may have too much noise, temporal autocorrelation, or be inconsistent with other datasets. With only daily data, conducting

Fama–MacBeth regression (796 words) [view diff] exact match in snippet view article find links to article

for time-series autocorrelation. This is usually not a problem for stock trading since stocks have weak time-series autocorrelation in daily and weekly

Green–Kubo relations (1,987 words) [view diff] exact match in snippet view article find links to article

{\displaystyle F_{e}=0} ) flux autocorrelation function is replaced by a thermostatted field dependent transient autocorrelation function. At time zero ⟨ J

Laser speckle contrast imaging (2,316 words) [view diff] exact match in snippet view article find links to article

of the speckle pattern will be used to compute the contrast value. Autocorrelation functions of electric field are used to measure the relationship between

List of graphical methods (335 words) [view diff] exact match in snippet view article find links to article

graph Entity-relationship diagram Tag cloud, also known as word cloud Autocorrelation plot Bar chart Biplot Box plot Bullet graph Chernoff faces Control

Marcel J. E. Golay (672 words) [view diff] exact match in snippet view article find links to article

complementary sequences. Those are pairs of binary sequences whose autocorrelation functions add up to zero for all non-zero time shifts. Today they are

Explorer 34 (2,497 words) [view diff] exact match in snippet view article find links to article

measurements were returned each 2.56 s. An onboard autocorrelation computer was included. Autocorrelation data based on 240 samplings were returned on alternate

Berni Alder (768 words) [view diff] exact match in snippet view article find links to article

the liquid-solid phase transition for hard sphere and the velocity autocorrelations function decay in liquids. Alder, along with Teller, was one of the

Snowpack (615 words) [view diff] exact match in snippet view article find links to article

"Dry snowpack and freshwater icepack remote sensing using wideband Autocorrelation radiometry". 2016 IEEE International Geoscience and Remote Sensing

Rayleigh fading (2,380 words) [view diff] exact match in snippet view article find links to article

passes through the channel. It is the Fourier transform of the time-autocorrelation function. For Rayleigh fading with a vertical receive antenna with

KSw 71 (333 words) [view diff] exact match in snippet view article find links to article

(2014). "Rotation Periods of 34,030 Keplermain-Sequence Stars: The Full Autocorrelation Sample". The Astrophysical Journal Supplement Series. 211 (2): 24.

Kenneth N. Stevens (3,341 words) [view diff] exact match in snippet view article find links to article

doctoral research; in 1950 he published a short paper arguing that the autocorrelation could be used to discriminate vowels, while his 1952 doctoral thesis

Full reptend prime (760 words) [view diff] exact match in snippet view article find links to article

a(i)=2^{i}{\bmod {p}}{\bmod {2}}.} These sequences of period p − 1 have an autocorrelation function that has a negative peak of −1 for shift of ( p − 1 ) / 2

Concepts and Techniques in Modern Geography (633 words) [view diff] exact match in snippet view article find links to article

(2): 181–188. Cox, Nicholas J. (1989). "Teaching and learning spatial autocorrelation: a review". Journal of Geography in Higher Education. 13 (2): 185–190

Pseudo K-tuple nucleotide composition (958 words) [view diff] exact match in snippet view article find links to article

nucleotide compositions, Moreau–Broto autocorrelation coefficient, Moran autocorrelation coefficient, Geary autocorrelation coefficient, Type I PseKNC and Type

Distance decay (693 words) [view diff] exact match in snippet view article find links to article

more related than far things," and the mathematical principle spatial autocorrelation are similar expressions of distance decay effects. "Loss of Strength

Werner E. Reichardt (710 words) [view diff] exact match in snippet view article find links to article

the RWTH Aachen In memoriam Werner Reichardt Reichardt, W. (1961). "Autocorrelation, a principle for the evaluation of sensory information by the central

Matter power spectrum (1,201 words) [view diff] exact match in snippet view article find links to article

spectrum is most commonly understood as the Fourier transform of the autocorrelation function, ξ {\displaystyle \xi } , mathematically defined as: ξ ( r

Critical transition (1,426 words) [view diff] exact match in snippet view article find links to article

perturbations. This, in turn, may lead to an increase in (spatial or temporal) autocorrelation and variance, while variance spectra tend to lower frequencies, and

Field (geography) (1,998 words) [view diff] exact match in snippet view article

This concept has been formalized as spatial dependence or spatial autocorrelation, which underlies the method of geostatistics. A parallel concept that

Post–earnings-announcement drift (393 words) [view diff] exact match in snippet view article find links to article

viewed as including two components. The first component is a positive autocorrelation between seasonal difference (i.e., seasonal random walk forecast errors

Pulse compression (5,513 words) [view diff] exact match in snippet view article find links to article

to compute an auto-correlation which amounts to assuming that the autocorrelation peak is centered at zero. This will not change the resolution and the

S-box (929 words) [view diff] exact match in snippet view article find links to article

(LAT) or Walsh transform and Difference Distribution Table (DDT) or autocorrelation table and spectrum. Its strength may be summarized by the nonlinearity

Ecological correlation (224 words) [view diff] exact match in snippet view article find links to article

topics Ecological regression Geographic information science Spatial autocorrelation Complete spatial randomness Modifiable areal unit problem Specific

Spatial epidemiology (902 words) [view diff] exact match in snippet view article find links to article

areal unit problem Mutual standardisation Spatial analysis Spatial autocorrelation Time geography Specific applications French paradox Stroke Belt Elliott

Waldo R. Tobler (6,813 words) [view diff] exact match in snippet view article find links to article

those involved in cluster analysis and spatial autocorrelation (such as Moran's I). Spatial autocorrelation, and Tobler's 1970 paper, are considered central

Spatial descriptive statistics (781 words) [view diff] exact match in snippet view article find links to article

clustering of sub-populations within clustered populations Spatial autocorrelation Clark, Philip; Evans, Francis (1954). "Distance to nearest neighbor

Fluctuation X-ray scattering (1,678 words) [view diff] exact match in snippet view article find links to article

can be obtained via a finite Legendre transform from the observed autocorrelation C 2 ( q , q ′ , Δ ϕ q ) {\displaystyle C_{2}(q,q',\Delta \phi _{q})}

Mary Brazier (795 words) [view diff] exact match in snippet view article find links to article

Wiener's work on noise processing to the analysis of EEGs. Her work in autocorrelation and cross-correlational analyses was published in 1952, co-authored

Spatial econometrics (367 words) [view diff] exact match in snippet view article find links to article

book by Paelinck and Klaasen. Geographic information science Spatial autocorrelation Complete spatial randomness Modifiable areal unit problem Spatial analysis

Gambler's fallacy (5,478 words) [view diff] exact match in snippet view article find links to article

degree of strong negative autocorrelation in their judgement. In a study aimed at discovering if the negative autocorrelation that exists with the gambler's

Electrophoretic light scattering (3,103 words) [view diff] exact match in snippet view article find links to article

which the scattering light is mixed with the reference light. The autocorrelation function of intensity of the mixed light, g ( τ ) {\displaystyle g(\tau

Douglas R. White (934 words) [view diff] exact match in snippet view article find links to article

World Peoples along with software used in solving Galton's problem of autocorrelation for analysis of observational data, and for research on: Longitudinal

Computational imaging (2,054 words) [view diff] exact match in snippet view article find links to article

convolution of the object with the autocorrelation of the coded aperture and will contain artifacts unless its autocorrelation is a delta function. Some examples

Arbia's law of geography (1,376 words) [view diff] exact match in snippet view article find links to article

related than distant." While Tobler's first law relates to spatial autocorrelation and distance decay, Arbia's law relates to the modifiable areal unit

IEEE 802.11b-1999 (1,298 words) [view diff] exact match in snippet view article find links to article

for OFDM but was also suitable for use in 802.11b because of its low autocorrelation properties. The dramatic increase in throughput of 802.11b (compared

Relevance (information retrieval) (1,413 words) [view diff] exact match in snippet view article

Science and Technology. 57 (7): 961–973. doi:10.1002/asi.20361. F. Diaz, Autocorrelation and Regularization of Query-Based Retrieval Scores. PhD thesis, University

Health geography (1,750 words) [view diff] exact match in snippet view article find links to article

medical geography include point pattern analysis, tests for spatial autocorrelation, geographically weighted regression (GWR), ecological niche modeling

Nanoparticle tracking analysis (871 words) [view diff] exact match in snippet view article find links to article

exponential autocorrelation function, average particle size can be calculated as well as a polydispersity index. For multi-exponential autocorrelation functions

William Garrison (geographer) (365 words) [view diff] exact match in snippet view article

Getis, Arthur (16 July 2008). "A History of the Concept of Spatial Autocorrelation: A Geographer's Perspective". Geographical Analysis. 40 (3): 297–309

Percy John Daniell (447 words) [view diff] exact match in snippet view article find links to article

Mathematics 43: 143–62. –––––– (1946), "Discussion on the Symposium on Autocorrelation in Time Series", Supplement to the Journal of the Royal Statistical

TCHP (392 words) [view diff] exact match in snippet view article find links to article

in Plasmodium falciparum-infected AA and CC erythrocytes assayed by autocorrelation analysis using quantum dots". Journal of Cell Science. 118 (Pt 5):

Phase retrieval (2,898 words) [view diff] exact match in snippet view article find links to article

{\displaystyle \psi [k]} . It is common recovering a signal from its autocorrelation sequence instead of its Fourier magnitude. That is, denote by f ^ {\displaystyle

Arthur Getis (1,614 words) [view diff] exact match in snippet view article find links to article

spatial descriptive statistics, where he focused on topics like spatial autocorrelation, k-function analysis, and their applications to real-world problems

Ultrasound-modulated optical tomography (3,891 words) [view diff] exact match in snippet view article find links to article

of refraction and displacementare respectively. After deriving the autocorrelation equation, Wiener-Khinchin theorem is applied. With this theorem, we

Index of combinatorics articles (626 words) [view diff] exact match in snippet view article find links to article

wildcard character Knuth–Morris–Pratt algorithm Sequences with zero autocorrelation function Series-parallel networks problem Set cover problem Shuffling

Pseudorandom number generator (3,556 words) [view diff] exact match in snippet view article find links to article

greater in 20 000 bits of the sequence)—both from BSI and NIST, and the autocorrelation test. In essence, these requirements are a test of how well a bit sequence:

Generalized Hebbian algorithm (1,252 words) [view diff] exact match in snippet view article find links to article

matrix, in this case representing synaptic weights, Q = η x xT is the autocorrelation matrix, simply the outer product of inputs, diag is the function that

Ecological fallacy (2,780 words) [view diff] exact match in snippet view article find links to article

regression Misuse of statistics Modifiable areal unit problem Spatial autocorrelation Spatial epidemiology Spatial econometrics Statistical discrimination

Functional near-infrared spectroscopy (4,423 words) [view diff] exact match in snippet view article find links to article

quantified by the temporal intensity autocorrelation curve of a single speckle. The decay of the autocorrelation curve is fitted with the solution of

Doppler echocardiography (2,290 words) [view diff] exact match in snippet view article find links to article

imaging based on phase shift. The phase shift is found by taking the autocorrelation between echoes from two consecutive firings. The main idea of Vector

David Krackhardt (850 words) [view diff] exact match in snippet view article find links to article

Snijders (2007). “Sensitivity of MRQAP Tests to Collinearity and Autocorrelation Conditions.” Psychometrika, 72:563-581 Carnegie Mellon (personal site)

Harris affine region detector (7,037 words) [view diff] exact match in snippet view article find links to article

derivation). The matrix A {\displaystyle A} , has also been called the autocorrelation matrix and has values closely related to the derivatives of image intensity

James Clerk Maxwell Telescope (1,385 words) [view diff] exact match in snippet view article find links to article

instruments can be used in conjunction with the JCMT's new digital autocorrelation spectrometer, ACSIS. One of the heterodyne receivers is named Namakanui

Andersen thermostat (367 words) [view diff] exact match in snippet view article find links to article

system conserves neither energy nor momentum. In addition, the velocity autocorrelation function decays more quickly than it would in a real system, due to

Geophysical survey (2,959 words) [view diff] exact match in snippet view article find links to article

function can be defined as a multidimensional Fourier transform of the autocorrelation function of the random signal. P ( K x , w ) = ∫ − ∞ ∞ ∫ − ∞ ∞ φ s

Image formation (1,192 words) [view diff] exact match in snippet view article find links to article

diffraction, aberrations and pixelation. For the lens, the MTF is the autocorrelation of the pupil function, so it accounts for the finite pupil extent and

Boundary problem (spatial analysis) (2,389 words) [view diff] exact match in snippet view article

parameter: the boundary problem, scale problem, pattern problem (or spatial autocorrelation), and modifiable areal unit problem. The boundary problem occurs because

American Association of Geographers (2,545 words) [view diff] exact match in snippet view article find links to article

Getis, Arthur (16 July 2008). "A History of the Concept of Spatial Autocorrelation: A Geographer's Perspective". Geographical Analysis. 40 (3): 297–309

Spatial weight matrix (1,207 words) [view diff] exact match in snippet view article find links to article

case, since Moran's I measures spatial autocorrelation, I ( d ) {\displaystyle I(d)} measures how the autocorrelation of the data changes as a function of

Çatalhöyük (3,833 words) [view diff] exact match in snippet view article find links to article

Amy; Engel, Claudia; Pearson, Jessica; Wolfhagen, Jesse., "Spatial autocorrelation analysis and the social organisation of crop and herd management at

Stanislaus S. Uyanto (328 words) [view diff] exact match in snippet view article find links to article

Stanislaus S. (2020). "Power Comparisons of Five Most Commonly Used Autocorrelation Tests", Pakistan Journal of Statistics and Operation Research, 16(1)

Norbert Wiener (4,722 words) [view diff] exact match in snippet view article find links to article

wide-sense-stationary random process is the Fourier transform of the corresponding autocorrelation function. An abstract Wiener space is a mathematical object in measure

Spatial heterogeneity (1,283 words) [view diff] exact match in snippet view article find links to article

determinants (PID) on the basis of spatial stratified heterogeneity, spatial autocorrelation, and spatial fuzzy overlay of explanatory variables. Geographically

Explorer 41 (2,896 words) [view diff] exact match in snippet view article find links to article

magnetic field fluctuations was accomplished through a computation of the autocorrelation function in an onboard digital processor. The experiment functioned

Mathematical modelling of infectious diseases (4,425 words) [view diff] exact match in snippet view article find links to article

susceptible–infectious–susceptible epidemic equations based on uncertainties and autocorrelation functions". Royal Society Open Science. 7 (2): 191504. Bibcode:2020RSOS