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801
An integrated corporate governance index for Spain: From construction to construct validity
Published 2025-01-01“…Methods such as Cronbach's alpha coefficient for internal consistency and Principal Component Analysis (PCA) for index structure are used to validate the index. …”
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802
Uncovering Deterministic Behavior of Black Hole IGR J17091–3624: A Twin of GRS 1915+105
Published 2025-01-01“…We employ several denoising techniques to mitigate noise effects, and employ methods like principal component analysis, singular value decomposition, and correlation integrals to isolate the deterministic signatures. …”
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803
Geochemical evolution and mechanisms controlling groundwater chemistry in the transboundary Komadugu–Yobe Basin, Lake Chad region: An integrated approach of chemometric analysis an...
Published 2025-02-01“…New hydrological insights: The findings revealed that Cl⁻ and NO₃⁻ are associated with anthropogenic pollution. The Principal Component Analysis identified three main components associated with geogenic and anthropogenic processes, agricultural pollution, and mineral weathering. …”
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804
Early Diagnosis of Alzheimer’s Disease Using Adaptive Neuro K-Means Clustering Technique
Published 2025-01-01“…The approach integrates the Adaptive Moving Self-Organizing Map (AMSOM), a neural network technique for unsupervised training and tissue segmentation, with K-means clustering and Principal Component Analysis (PCA) for feature selection. AMSOM dynamically updates neuron weights to improve segmentation accuracy. …”
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805
Data-Driven Prediction Methods for Lithium-Ion Battery State of Health Based on Elbow Rule
Published 2024-01-01“…To eliminate data redundancy, a novel principal component analysis strategy based on the elbow optimization rule was introduced. …”
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806
Human migration from the Levant and Arabia into Yemen since Last Glacial Maximum
Published 2024-12-01“…We investigate the genetic makeup of the current Yemeni population using 46 whole genomes and 169 genotype arrays derived from Yemeni individuals from all geographic regions across Yemen and 351 genotype arrays derived from neighboring populations providing regional context. Principal Component Analysis shows stratification between Yemen districts but also with respect to nearby populations: Yemeni, other Arabian and Bedouin samples form a continuum towards the populations of the Levant, whereas East Africa and India appear strongly differentiated. …”
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807
Evaluation of sustainable consumption behavior according to sociodemographic factors in Indigenous communities
Published 2025-02-01“…The conceptual model and hypotheses were tested by multivariate analysis and structural equation modeling, using the principal component analysis method for factor extraction. As a result, the research revealed a positive connection between pro-environmental factors and sustainable behavioral intention. …”
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808
Polycyclic Aromatic Hydrocarbons in Road Dust in Changchun City, Northeast China: Spatial Distribution, Source Appointment, and Human Health Risk Assessment
Published 2025-01-01“…The incremental lifetime cancer risk (ILCR) analysis indicated that adults faced potential risk (>10−6) at 97.7% of the sampling sites, while children faced potential risk (>10−6) at 48.8%. The principal component analysis (PCA) model identified five potential origins of PAHs, including petroleum (22.2%), coal burning (19.1%), biomass burning (30.5%), fossil fuel burning (15.8%), and transportation (12.4%). …”
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809
Comprehensive analysis reveals the tumor suppressor role of macrophage signature gene FCER1G in hepatocellular carcinoma
Published 2025-02-01“…We obtained single-cell se-quencing data from seven HCC samples in the GEO database. Through principal component analysis and t-SNE dimensionality reduction, we identified 2,000 highly variable genes and per-formed clustering and annotation of 17 cell clusters, revealing 482 macrophage-related feature genes. …”
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810
Liquid Chromatography-Mass Spectrometry-Based Metabolomic Analysis of Metabolites and Metabolic Pathways of Selenium-Enriched Auricularia auricula
Published 2025-02-01“…The effect of selenization on the dynamic changes of metabolic pathways and metabolites in A. auricula was investigated using liquid chromatography-mass spectrometry (LC-MS)-based metabolomics combined with different multivariate statistical analyses such as principal component analysis (PCA), partial least squares-discriminant analysis (PLS-DA), and hierarchical cluster analysis. …”
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811
Analysis of Aroma Quality of Pearl Orchid at Different Flowering Stages and Its Scented Tea
Published 2024-12-01“…Subsequently, principal component analysis (PCA), orthogonal partial least squares-discriminant analysis (OPLS-DA) and permutation tests were performed. …”
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812
An Ultrafast Image Simulation Technique with Spatially Variable Point-spread Functions
Published 2025-01-01“…Our approach first decomposes original images into PSF basis derived with the principal component analysis method. The entire image is then convolved with this PSF basis to create image basis. …”
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813
Effects of 60Co-γ Ray Irradiation on the Quality of Ponkan Peels
Published 2024-12-01“…In addition, principal component analysis (PCA) showed that the quality of ponkan peels varied with different irradiation doses, the highest overall evaluation score being observed for ponkan peels irradiated at 4 kGy. …”
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814
Metabolite Profiling of Sorghum Seeds of Different Colors from Different Sweet Sorghum Cultivars Using a Widely Targeted Metabolomics Approach
Published 2020-01-01“…Among them, 217 metabolites were selected as significantly differential metabolites which could be related to the seed color by clustering analysis, principal component analysis (PCA), and orthogonal signal correction and partial least squares-discriminant analysis (OPLS-DA). …”
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815
Machine Learning Model for Imbalanced Cholera Dataset in Tanzania
Published 2019-01-01“…Adaptive Synthetic Sampling Approach (ADASYN) and Principal Component Analysis (PCA) were used to the restore sampling balance and dimensional of the dataset. …”
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816
Characterization of duckweed and water hyacinth and their effect on the apparent digestibility in tilapia
Published 2024-07-01“…The DW and WH were used to formulate nine isoproteic (32.47%), isolipidic (5.46%) and isoenergetic (16.45 MJ kg-1) diets, with three replicates and 15 male tilapia (36.36± 1.16 g) per repetition: 0% (T0); 10% (T10); 15% (T15); 20% (T20) and 25% (T25), respectively random. A principal component analysis (PCA) was applied. Results. The crude protein (%) of the WH and the DW, were 21.72% and 27.37% (p˂0.05), respectively. …”
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817
Nano Silicon Modulates Chemical Composition and Antioxidant Capacities of Ajowan (<i>Trachyspermum ammi</i>) Under Water Deficit Condition
Published 2025-01-01“…Furthermore, correlation and principal component analysis (PCA) provide new insights into the production of ajowan from their substrates under nano silicon treatment and water deficit conditions. …”
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818
Quality Evaluation of Traditional Chinese Medicine Prescription in Naolingsu Capsule Based on Combinative Method of Fingerprint, Quantitative Determination, and Chemometrics
Published 2022-01-01“…The quantitative determination was approved for linearity, discovery limits, accuracy, repeatability, soundness, and precision. Principal component analysis (PCA) and partial least squares discriminant analysis (PLS-DA) models accomplished the great classification of the samples from the five enterprises, respectively. …”
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819
Genetic Variation for Wild Populations of the Rare and Endangered Plant <i>Glyptostrobus pensilis</i> Based on Double-Digest Restriction Site-Associated DNA Sequencing
Published 2024-12-01“…When <i>K</i> = 4, the coefficient of variation (CV) error value was minimized, suggesting that the 137 individuals could be divided into four groups, with frequent gene flow between them. Principal component analysis (PCA) divided the seven populations into two major categories based on their north–south geographic location. …”
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820
Genetic Variation of New Purple-Fleshed Sweet Potato (Ipomoea batatas L.) Genotypes in Indonesia by Multivariate Analysis
Published 2023-01-01“…Agronomic traits data were analyzed by the multivariate analysis. The principal component analysis (PCA) showed high genetic variation of PFSP in four environments. …”
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