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correlation structure

Change Point Detection in the Conditional Correlation Structure of Multivariate Volatility Models

Change Point Detection in the Conditional Correlation Structure of Multivariate Volatility Models

... and correlation structure of multivariate ...covariance structure were focused on using model selection criteria and standard stability tests on the parameters of GARCH ...covariance structure ...

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A Formalism for Evaluating Analytically the Cross-Correlation Structure of a Firing-Rate Network Model

A Formalism for Evaluating Analytically the Cross-Correlation Structure of a Firing-Rate Network Model

... Abstract We introduce a new formalism for evaluating analytically the cross- correlation structure of a finite-size firing-rate network with recurrent connections. The analysis performs a first-order ...

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Determination of Spatial-Temporal Correlation Structure of Troposphere Ozone 
Data in Tehran City

Determination of Spatial-Temporal Correlation Structure of Troposphere Ozone Data in Tehran City

... Cressie and Huang [7] based their approach on Fourier transforms. Gneiting [11] proposed another general class of nonseparable, stationary covariance functions for spatial-temporal random processes directly in the ...

8

How does correlation structure differ between real and fabricated data-sets?

How does correlation structure differ between real and fabricated data-sets?

... the correlation structures of real data- sets could be reconstructed with fabricated ...the correlation structure of fabricated data, summary statistics of two real data-sets were shown to the ...

9

The instability of the correlation structure of the S&P 500

The instability of the correlation structure of the S&P 500

... For some series, we were unable to fit ARMAX or GARCH models. Therefore, the final sample was N = 496 series. From Figure 1, it can be seen that the largest changes in the correlation structure occurred at ...

9

Generating spatial precipitation ensembles: impact of temporal correlation structure

Generating spatial precipitation ensembles: impact of temporal correlation structure

... The presented technique to generate spatial precipitation ensembles can be easily implemented within a hydrologi- cal data assimilation framework to be used as an improve- ment over currently used simplistic approaches ...

16

Two Point Statistics of Coherent Structure in Turbulent Flow

Two Point Statistics of Coherent Structure in Turbulent Flow

... two-point correlation techniques for CS identifi- cation and visualization have been, and are currently being, intensively stu- died by ...velocity-vorticity correlation structure (VVCS) as one of ...

21

Multicollinear physical activity accelerometry data and associations to cardiometabolic health: challenges, pitfalls, and potential solutions

Multicollinear physical activity accelerometry data and associations to cardiometabolic health: challenges, pitfalls, and potential solutions

... underlying correlation structure of the dataset can be significantly distorted by normalization, depending on the means, variances and number of the explanatory variables [17, ...the correlation ...

14

Bands Regrouping of Hyperspectral Data Based on Spectral Correlation Matrix Analysis

Bands Regrouping of Hyperspectral Data Based on Spectral Correlation Matrix Analysis

... cross correlation structure of hyperspectral datacube for ten data samples; spectral cross correlation matrices have been constructed for each data sample; looking at the image view of these ...

8

The fine structure of spectral properties for random correlation matrices: an application to financial markets

The fine structure of spectral properties for random correlation matrices: an application to financial markets

... shown. Also, we compare the numerically obtained spectra to the eigenvalue densities obtained from the solution of equation (43), obtaining a very good agreement between the two (Figure 3 (a)-(b)). Just like in the ...

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Inference in Differences in Differences: How Much Should We Trust in Independent Clusters?

Inference in Differences in Differences: How Much Should We Trust in Independent Clusters?

... spatial correlation for DID models reflects the spatial correlation of unobserved variables that affect the outcome variable after controlling for the time and group fixed ...spatial correlation ...

22

Network of vascular diseases, death and biochemical characteristics in a set of 4,197 patients with type 1 diabetes (The FinnDiane Study)

Network of vascular diseases, death and biochemical characteristics in a set of 4,197 patients with type 1 diabetes (The FinnDiane Study)

... Mortality and kidney disease were not connected directly, although part of the same node group. Instead, laser- treated retinopathy and anti-hypertensive treatment had a direct link with death, and there was also a ...

10

Nucleotide sequence changes in polyoma ts-a mutants: correlation with protein structure.

Nucleotide sequence changes in polyoma ts-a mutants: correlation with protein structure.

... The use of the marker rescue was localized to a fragment between the HindIII data and analysis of wild-type revertants makes site at nucleotide position 1671 and an HhaI site it possible[r] ...

5

THE STEPPING STONE MODEL OF POPULATION STRUCTURE AND THE DECREASE OF GENETIC CORRELATION WITH DISTANCE

THE STEPPING STONE MODEL OF POPULATION STRUCTURE AND THE DECREASE OF GENETIC CORRELATION WITH DISTANCE

... (v) Decrease of genetic correlation with distance: The fact that tendency toward random differentiation depends very much on the number of dimensions is also reflected in[r] ...

16

Sequence of three bronze alleles of maize and correlation with the genetic fine structure.

Sequence of three bronze alleles of maize and correlation with the genetic fine structure.

... However, the deletion in bz-R may also include the internal intron splicing signal described for animal systems by KELLER and NOON (1984). T h e corresponding sequences[r] ...

13

Virtual testing, strain correlation for loads optimization of composite fuselage structure

Virtual testing, strain correlation for loads optimization of composite fuselage structure

... Fuselage structures of most aircraft are subjected to the combined loading of cabin pressure and fuselage bending. It is therefore highly desirable that these new constructed structures or materials are tested under ...

56

Fibrous structure in the intervertebral disk: correlation of MR appearance with anatomic sections

Fibrous structure in the intervertebral disk: correlation of MR appearance with anatomic sections

... The dried sections of all normal adult disks revealed compact fibrous tissue in the region of Sharpey 's fibers and the plate in the equator of the nucleus and the anulus where the darke[r] ...

6

Cluster diffusivity: Structure, correlation, and scaling

Cluster diffusivity: Structure, correlation, and scaling

... with structure controlled by the parameter ...the correlation between pairs of steps taken by the cluster during its ...and structure dependence of the correlation factor, which is more ...

11

Correlation and Prediction for Preparatory Year Math and Discrete Structure in University of Hail

Correlation and Prediction for Preparatory Year Math and Discrete Structure in University of Hail

... the correlation between preparatory Mathematics and Discrete Structure course studied in the Faculty of computer sciences after passing ...Discrete Structure, Prep-MATH was considered as independent ...

5

Structure refinement of photosynthetic components with multidimensional MAS NMR dipolar correlation spectroscopy

Structure refinement of photosynthetic components with multidimensional MAS NMR dipolar correlation spectroscopy

... novo structure refinement using solid-state MAS NMR dipolar correlation spectroscopy and homology ...electronic structure deduced from the solid-state proton assignment, as well as the assignment of ...

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