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Manifold searching method of optimal weighted directed graph

A technology of weighted directed graph and search method, applied in the direction of genetic law, network data retrieval, other database retrieval, etc.

Pending Publication Date: 2021-03-26
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

[0005] Aiming at the current problems in the application field of structural equation models, the present invention provides a manifold search method for optimally weighted directed graphs

Method used

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  • Manifold searching method of optimal weighted directed graph
  • Manifold searching method of optimal weighted directed graph
  • Manifold searching method of optimal weighted directed graph

Examples

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Embodiment

[0056] Manifold search methods for optimally weighted directed graphs, such as image 3 shown, including the following steps:

[0057] S1. The user sends the measurement model information and data in the structural equation model to the server through the web terminal;

[0058] The structural equation model includes a measurement model and a structural model. The measurement model represents the correspondence between latent variables and observed variables, that is, which observed variables can be represented by latent variables, and the structural model represents the relationship between latent variables and latent variables;

[0059] Users directly operate on the webpage through the webpage terminal to input and set the information and data of the structural equation model, including all latent variables, observed variables, fitting indicators to be optimized, and the relationship between observed variables and latent variables in the structural equation model. The data f...

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Abstract

The invention discloses a manifold searching method of an optimal weighted directed graph. The method comprises the following steps that a user sends measurement model information and data in a structural equation model to a server through a webpage terminal; the server encodes and stores the preset measurement model information; the server uses the stored preset model information to initialize and generate a structure model code; the initialized population is input into computing service , an optimal structure model is iteratively searched in an alternative range through a multi-objective optimization algorithm, and finally the searched optimal model is output; by processing the output result, the backbone substructure of the final population is extracted, and a chart and text result is automatically generated and can be viewed and analyzed online or offline by a user through a webpage terminal. Establishment, analysis and screening efficiency of the weighted directed graph is improved, and the user time is saved.

Description

technical field [0001] The invention relates to the field of intelligent algorithm and structural equation analysis, in particular to a manifold search method of an optimal weighted directed graph. Background technique [0002] Structural equation modeling is a very general and primary linear statistical modeling technique widely used in research in the fields of psychology, economics, sociology, and behavioral sciences. In research in these fields, researchers often encounter relevant variables that cannot be measured accurately and directly. This kind of variable is called latent variable in the present invention, and these latent variables cannot be directly and accurately quantified and measured, but can be estimated by some indirect means, that is, use some quantifiable measurement indicators to indirectly measure those latent variables. Traditional statistical analysis methods cannot deal with these latent variables well, but structural equation modeling can deal with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/953G06F16/9538G06F17/16G06N3/12
CPCG06F16/953G06F16/9538G06F17/16G06N3/126
Inventor 黄翰刘一鸣刘方青郝志峰
Owner SOUTH CHINA UNIV OF TECH
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