correlation

(redirected from correlation matrix)
Also found in: Dictionary, Thesaurus, Medical, Financial, Encyclopedia, Wikipedia.
Related to correlation matrix: Covariance matrix
References in periodicals archive ?
Multidimensional scaling analysis was used to extract the dimensions of the wise personality using the 80 X 80 correlation matrix.
Another point that needs to be improved concerns the smoothing procedures needed for non-Gramian correlation matrices, which are still not satisfactory: when the negative eigenvalues are large, the smoothing procedure destroys most of the information in the correlation matrix, and the EFA is virtually meaningless.
Condition numbers, obtained through the multicollinearity diagnosis from the correlation matrix of the explanatory variables, were higher than 100 in both plastic greenhouses, indicating severe multicollinearity (MONTGOMERY & PECK, 1982).
However, we cannot build the graph directly from the correlation matrix because its elements in their original form are not suitable for a weight of the graph edges, for example a distance between the same two elements would have been one ([[rho].
Some of the topics discussed in this chapter include evaluation of the correlation matrix, sources of variance in factor analysis models, determination of the factor extraction method, principal component analysis, common factor analysis and criteria for selecting the number of factors to retain.
The conditional covariance matrix is decomposed into conditional standard deviations and correlation matrix : [H.
Furthermore, the relationship matrix R and the correlation matrix P cannot be precisely determined as well.
LMS algorithm convergence is less in environments where eigenvalues of correlation matrix is high.
After all, how many paper presentations had they attended at professional meetings when no more than a few seconds had been spent showing a PowerPoint slide of a study's descriptive statistics and correlation matrix with the only comment being, "All the reliabilities were .
1] is the eigenvalue of the correlation matrix associated to the eigenvector which elements have the same sign and similar magnitude and [eta] is the number of measurements;

Full browser ?