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581
Acylcarnitine Profiles in Plasma and Tissues of Hyperglycemic NZO Mice Correlate with Metabolite Changes of Human Diabetes
Published 2018-01-01“…We observed high concentrations of fatty acid-derived ACs in 11 female mice, high abundance of branched-chain amino acid- (BCAA-) derived ACs in 6 male mice, and slight increases in BCAA-derived ACs in the remaining 6 males. Principal component analysis (PCA) including all ACs and AAs confirmed our hypothesis especially in plasma samples by clustering females, males with high BCAA-derived ACs, and males with slight increases in BCAA-derived ACs. …”
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582
Analysis of Quality Differences in Radix Dipsaci before and after Processing with Salt Based on Quantitative Control of HPLC Multi-Indicator Components Combined with Chemometrics
Published 2024-01-01“…Then, the chemometric methods such as principal component analysis (PCA) and fisher discriminant analysis (FDA) were used to evaluate the quality of raw and salt-processed RD. …”
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583
Machine‐Learned HASDM Thermospheric Mass Density Model With Uncertainty Quantification
Published 2022-04-01“…We utilize principal component analysis for dimensionality reduction, which creates the coefficients upon which nonlinear machine‐learned (ML) regression models are trained. …”
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584
Exploring shape diversity and sexual dimorphism in two populations of Nigma conducens through geometric morphometrics
Published 2025-02-01“…This study employed geometric morphometrics to investigate prosoma shape and size variations between two populations of Nigma conducens spiders and between sexes within each population. Principal Component Analysis (PCA) explored shape variation, while Canonical Variate Analysis (CVA) compared shape differences between populations and sexes. …”
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585
Citizens of the Global South value urban green space: an example from Iran
Published 2024-10-01“…The average WTP was $0.93 per person per month, totaling over $6.4 million annually. Principal component analysis identified four key predictors of WTP: economic status, geographic origin, gender, and aesthetic preference. …”
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586
Posterior AD-Type Pathology: Cognitive Subtypes Emerging from a Cluster Analysis
Published 2014-01-01“…Methods. 23 PCA and 16 DAT patients were studied. By a principal component analysis performed on a wide range of neuropsychological tasks, 15 variables were obtained that loaded onto five main factors (memory, language, perceptual, visuospatial, and calculation) which entered a hierarchical cluster analysis. …”
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587
Dynamic Metabolic Footprinting Reveals the Key Components of Metabolic Network in Yeast Saccharomyces cerevisiae
Published 2014-01-01“…Using sparse principal component analysis (Sparse PCA), we further identified those pairs of metabolites that significantly contribute to the separation. …”
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588
Correlates and predictors of homonegativity among Mexican medical students
Published 2019-09-01“…Results: The sample was composed of 202 volunteer participants, who were studying at a private medical school in Monterrey, Mexico. A principal component analysis was performed with scales of assessment that were correlated with HN-16 total score, and yielded three components: masculinity-harshness-externality, religiosity-conservatism, and homosexuality-chivalry-honesty. …”
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589
Budowa i proporcje ciała warszawskiej młodzieży gimnazjalnej
Published 2015-09-01“…The living conditions were reduced by principal component analysis to three factors (family size, living conditions, environmental stress). …”
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590
Chemical Differentiation and Quantitative Analysis of Different Types of Panax Genus Stem-Leaf Based on a UPLC-Q-Exactive Orbitrap/MS Combined with Multivariate Statistical Analysi...
Published 2018-01-01“…By means of −ESI PRM MS method, the contents of eighteen ginsenosides in Asian ginseng stem-leaf (ASGSL) and American ginseng stem-leaf (AMGSL) were analyzed. The principal component analysis (PCA) model was built to discriminate Asian ginseng stem-leaf (ASGSL) from American ginseng stem-leaf (AMGSL) based on −ESI PRM MS data, and six ginsenosides (F11, Rf, R2, F1, Rb1, and Rb3) were obtained as the markers. …”
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591
Analysis of Regional Economic Development Differences Based on Intelligent Hybrid Algorithm
Published 2021-01-01“…On the basis of summarizing and analyzing previous research works, this paper expounded the research status and significance of regional economic development differences analysis, elaborated the development background, current status, and future challenges of intelligent hybrid algorithms, introduced the methods and principles of principal component distance weighting algorithm and sequential quadratic programming algorithm, constructed a basic model for regional economic development differences based on intelligent hybrid algorithm, conducted the construction of analysis index system and the hybrid of intelligence algorithm, analyzed the regional economic development differences based on intelligent hybrid algorithm, performed the principal component analysis and time-space change analysis of regional economic development, and finally carried out a simulation experiment and its result analysis. …”
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592
Breaking the Barriers for Women Participation in Agroforestry in the Context of AfCFTA
Published 2025-01-01“…Exploratory factor analysis involving principal component analysis was used for the data analysis. …”
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593
Learning model combined with data clustering and dimensionality reduction for short-term electricity load forecasting
Published 2025-01-01“…Here, we adapt k-means clustering for data clustering, kernel principal component analysis (kernel PCA), universal manifold approximation and projection (UMAP), and t-stochastic nearest neighbor (t-SNE) for dimensionality reduction. …”
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594
Alterations of Serum Bile Acid Profile in Patients with Crohn’s Disease
Published 2022-01-01“…The DCA/(DCA + CA) ratio was also decreased in CD active patients than in CD remission patients while the LCA/(LCA + CDCA) ratio showed no difference between them. Principal component analysis also indicated a clear separation among the three groups, with a total variance of 93.43%. …”
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595
Credit Risk Assessment of Small and Medium-Sized Enterprises under the Financial Model of Online Supply Chain
Published 2022-01-01“…An online supply chain financial credit risk evaluation model for the different industries was then constructed using principal component analysis (PCA) and logistic regression methods. …”
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596
Financial factors influencing investment willingness in environment-friendly business: Empirical study on an emerging economy
Published 2025-02-01“…The study included 150 corporate executives who are closely involved in investment decisions within their respective organizations. Principal component analysis was used to identify financial influences, and a linear regression model was used to build relationships using SPSS. …”
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597
Evaluation of the DWT-PCA/SVD Recognition Algorithm on Reconstructed Frontal Face Images
Published 2021-01-01“…This study assessed the performance of the principal component analysis and singular value decomposition algorithm using discrete wavelet transform (DWT-PCA/SVD) as preprocessing mechanism on the reconstructed face image database. …”
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598
Identification of Main Driving Factors of Water Resources Carrying Capacity in Taiyuan City
Published 2022-01-01“…Utilizing the existing evaluation results of the water resources carrying capacity of Taiyuan City,this paper qualitatively analyzed its driving factors of the city,which was based on the analysis of the critical overload/overloading causes of various dimensions including quantity,quality,domain and flow and the consideration of the current situation of water resources in Taiyuan City.The paper also quantitatively identified the driving factors influencing the water resources carrying capacity of Taiyuan City with a combination weighting method of principal component analysis,analytic hierarchy process and entropy weight method.Further,making full use of the respective advantages of qualitative analysis and quantitative identification of driving factors,the paper took the common influencing factors as the main driving factors of the water resources carrying capacity of Taiyuan City.The results indicated that the main driving factors influencing the various dimensions of water resources carrying capacity in the city included the followings:①water quantity dimension:precipitation,per capita water resources,ratio of imported water to consumed water,groundwater extraction coefficient,coefficient of effective utilization of farmland irrigation water,water consumption per 10 000 yuan of industrial added value and wastewater utilization rate;②water quality dimension:water quality compliance rate of water function zone,proportion of water quality inferior to Grade V;③water domain dimension:soil erosion control rate;④water flow dimension:proportion of river ecological water replenishment.The research results can provide references for the plan formulation of improving water resources carrying capacity in Taiyuan City.…”
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599
PENINGKATAN PERFORMA DETEKSI SERANGAN MENGGUNAKAN METODE PCA DAN RANDOM FOREST
Published 2024-08-01“…Salah satu karakteristik dari metode Random Forest adalah kemampuannya dalam mengatasi masalah overfitting dan kualitas prediksi yang baik. Principal Component Analysis (PCA) adalah teknik statistik yang digunakan untuk mengurangi dimensi data dengan memproyeksikannya ke ruang fitur yang lebih rendah. …”
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600
Motion Intention Analysis-Based Coordinated Control for Amputee-Prosthesis Interaction
Published 2010-01-01“…By employing principal component analysis, the measured angular velocities were processed and the motion synergy was obtained in the final. …”
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