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Advanced Search Results For "PRINCIPAL components analysis"

1 - 10 of 89,186 results for
 "PRINCIPAL components analysis"
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Comprehensive Monitoring of Complex Industrial Processes with Multiple Characteristics.

Publication Type:Academic Journal

Source(s):International Journal of Chemical Engineering (1687806X). 8/18/2022, p1-18. 18p.

Abstract:Traditional onefold data-driven methods for fault detection in complex process industrial systems with high-dimensional, linear, nonlinear, Gaussian, and non-Gaussian coexistence often have less than satisfactory monitoring performance because only a s...

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Using Sociological Theories and Methods to Analyze the Solutions and Measures of Environmental Pollution Problems.

Publication Type:Academic Journal

Source(s):Journal of Environmental & Public Health. 9/5/2022, p1-12. 12p.

Abstract:In order to further improve the effectiveness of environmental pollution control and improve the quality of the atmospheric ecological environment, this article discusses regional environmental pollution control from the perspective of sociological the...

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Consumption Risk and Legal Response in B2C e-Commerce Based on Neural Network Algorithm.

Publication Type:Academic Journal

Source(s):Mathematical Problems in Engineering. 9/1/2022, p1-9. 9p.

Abstract:In the era of "Internet +," the world economy is increasingly globalized and informatized, the development of China's B2C e-commerce is facing unprecedented opportunities, but it is also constrained by consumption risks. Consumption risk will make cons...

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Multilevel hybrid principal components analysis for region-referenced functional electroencephalography data.

Publication Type:Academic Journal

Source(s):Statistics in medicine [Stat Med] 2022 Aug 30; Vol. 41 (19), pp. 3737-3757. Date of Electronic Publication: 2022 May 25.

Abstract:Electroencephalography experiments produce region-referenced functional data representing brain signals in the time or the frequency domain collected across the scalp. The data typically also have a multilevel structure with high-dimensional observatio...

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Application of Multivariate Statistical Methods to the Hydrochemical Study of Groundwater Quality in the Sahel Watershed, Algeria.

Publication Type:Academic Journal

Source(s):Journal of Ecological Engineering. 2022, Vol. 23 Issue 8, p341-349. 9p.

Abstract:The quality of groundwater is characterized by several numbers of physical and chemical parameters, which determine the use of water (water supply, irrigation, industry). This search paper is a contribution made to know the hydrochemical characteristic...

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Cotraining Algorithm Based on Weighted Principal Component Analysis and Improved Density Peak Clustering.

Publication Type:Academic Journal

Source(s):Security & Communication Networks. 9/5/2022, p1-6. 6p.

Abstract:In order to solve the problem of insufficient useful information of unlabeled samples added in the iterative process and the accumulation of classification errors caused by inconsistent labeling of samples by multiple classifiers, a cotraining algorith...

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Stochasticity in extreme-ultraviolet lithography predicted by principal component analysis of Monte Carlo simulated event distributions in resist films.

Publication Type:Academic Journal

Source(s):Journal of Applied Physics. 8/14/2022, Vol. 132 Issue 6, p1-19. 19p.

Abstract:Extremely low probability stochastic defects are becoming a major concern in extreme-ultraviolet (EUV) lithography due to the discrete/probabilistic nature of photons, photo- and secondary electrons, reactions, and (macro-) molecular dissolutions. We i...

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Recognition of Human Motion Intentions Based on Bayesian-Optimized XGBOOST Algorithm.

Publication Type:Academic Journal

Source(s):Journal of Sensors. 9/1/2022, p1-15. 15p.

Abstract:In order to improve the recognition rate for lower extremity motion patterns, this study designs a recognition method for such patterns, which integrates electromyography (EMG) and inertial measurement unit (IMU) signals in three posture modes, includi...

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Travel Patterns Analysis Using Tensor-Based Model from Large-Scale License Plate Recognition Data.

Publication Type:Academic Journal

Source(s):Journal of Advanced Transportation. 8/31/2022, p1-14. 14p.

Abstract:Travel patterns reflect the regularity of residents' mobility, and it is a crucial factor to evaluate the reasonability of urban spatial structure and connectivity of road networks. Therefore, exploring travel patterns is of practical significance for ...

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Application of Optimized Support Vector Machine Model in Tax Forecasting System.

Publication Type:Academic Journal

Source(s):Journal of Function Spaces. 8/22/2022, p1-10. 10p.

Abstract:Tax forecast has an important impact on financial budget and tax plan. The amount of tax data is greatly increased, the difficulty of tax forecast is improved, and the accuracy is always difficult to keep up with the development demand. Analyze the app...

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