Search Results - "Principal component analysis"
-
1
PROJECTED PRINCIPAL COMPONENT ANALYSIS IN FACTOR MODELS
ISSN: 0090-5364Published: United States 01.02.2016Published in The Annals of statistics (01.02.2016)“…This paper introduces a Projected Principal Component Analysis (Projected-PCA), which employees principal component analysis to the projected (smoothed…”
Get more information
Journal Article -
2
Generalized multilevel function-on-scalar regression and principal component analysis
ISSN: 0006-341X, 1541-0420, 1541-0420Published: United States Blackwell Publishing Ltd 01.06.2015Published in Biometrics (01.06.2015)“… and subject-day-specific deviations using multilevel functional principal components analysis. Thus, functional fixed effects are estimated while accounting for within…”
Get full text
Journal Article -
3
Principal component analysis of synaptic density measured with [11C]UCB-J PET in early Alzheimer’s disease
ISSN: 2213-1582, 2213-1582Published: Netherlands Elsevier Inc 01.01.2023Published in NeuroImage clinical (01.01.2023)“…). We used principal component analysis (PCA) to identify regional patterns of covariance in synaptic density using [11C…”
Get full text
Journal Article -
4
Uncertainty-Aware Principal Component Analysis
ISSN: 1077-2626, 1941-0506, 1941-0506Published: United States IEEE 01.01.2020Published in IEEE transactions on visualization and computer graphics (01.01.2020)“… Our method is a generalization of traditional principal component analysis (PCA) to multivariate probability distributions…”
Get full text
Journal Article -
5
Principal-Component Analysis-Based Measures of PET Data Closely Reflect Neuropathologic Staging Schemes
ISSN: 1535-5667, 1535-5667Published: United States 01.06.2021Published in The Journal of nuclear medicine (1978) (01.06.2021)“…Voxel-based principal-component analysis allows for an identification of patterns of glucose metabolism and amyloid deposition related to the conversion from mild cognitive impairment (MCI…”
Get more information
Journal Article -
6
A high-performance computing toolset for relatedness and principal component analysis of SNP data
ISSN: 1367-4803, 1367-4811, 1367-4811, 1460-2059Published: Oxford Oxford University Press 01.12.2012Published in Bioinformatics (01.12.2012)“…) to accelerate two key computations on SNP data: principal component analysis (PCA) and relatedness analysis using identity-by-descent measures…”
Get full text
Journal Article -
7
Applying dimension reduction to EEG data by Principal Component Analysis reduces the quality of its subsequent Independent Component decomposition
ISSN: 1053-8119, 1095-9572, 1095-9572Published: United States Elsevier Inc 15.07.2018Published in NeuroImage (Orlando, Fla.) (15.07.2018)“… and functionally independent brain and non-brain source processes and thereby increasing their definition. Dimension reduction by Principal Component Analysis…”
Get full text
Journal Article -
8
Sparsity Fuzzy C-Means Clustering with Principal Component Analysis Embedding
ISSN: 1063-6706, 1941-0034Published: New York IEEE 01.07.2023Published in IEEE transactions on fuzzy systems (01.07.2023)“… Moreover, FCM is always sensitive to noise points and heavily subject to outliers. In this paper, we propose a method called sparsity FCM clustering with principal component analysis embedding (P_SFCM…”
Get full text
Journal Article -
9
Principal component analysis on chemical abundances spaces
ISSN: 0035-8711, 1365-2966Published: Oxford, UK Blackwell Publishing Ltd 01.04.2012Published in Monthly notices of the Royal Astronomical Society (01.04.2012)“…]. This leads to a way to study the origin of elements from observed chemical abundances using principal component analysis…”
Get full text
Journal Article -
10
Functional Principal Component Analysis for Continuous Non‐Gaussian, Truncated, and Discrete Functional Data
ISSN: 0277-6715, 1097-0258, 1097-0258Published: Hoboken, USA John Wiley & Sons, Inc 10.12.2024Published in Statistics in medicine (10.12.2024)“…: continuous, truncated, ordinal, and binary. Motivated by these examples, we develop a functional principal component analysis that deals with all four types of functional data in a unified manner…”
Get full text
Journal Article -
11
Single-trial-based temporal principal component analysis on extracting event-related potentials of interest for an individual subject
ISSN: 0165-0270, 1872-678X, 1872-678XPublished: Netherlands Elsevier B.V 01.02.2023Published in Journal of neuroscience methods (01.02.2023)“…Temporal principal component analysis (tPCA) has been widely used to extract event-related potentials (ERPs…”
Get full text
Journal Article -
12
MULTILEVEL FUNCTIONAL PRINCIPAL COMPONENT ANALYSIS
ISSN: 1932-6157Published: United States 01.03.2009Published in The annals of applied statistics (01.03.2009)“… To address these challenges, we introduce multilevel functional principal component analysis (MFPCA…”
Get more information
Journal Article -
13
Using functional principal component analysis (FPCA) to quantify sitting patterns derived from wearable sensors
ISSN: 1479-5868, 1479-5868Published: London BioMed Central 26.04.2024Published in The international journal of behavioral nutrition and physical activity (26.04.2024)“…Background Sedentary behavior (SB) is a recognized risk factor for many chronic diseases. ActiGraph and activPAL are two commonly used wearable accelerometers…”
Get full text
Journal Article -
14
A principal component analysis is conducted for a case series quality appraisal checklist
ISSN: 0895-4356, 1878-5921, 1878-5921Published: United States Elsevier Inc 01.01.2016Published in Journal of clinical epidemiology (01.01.2016)“… A principal component analysis of these appraisals was conducted to further refine the checklist…”
Get full text
Journal Article -
15
Within-Subject Principal Component Analysis of External Training Load and Intensity Measures in Youth Soccer Training
ISSN: 1064-8011, 1533-4287, 1533-4287Published: United States 01.12.2023Published in Journal of strength and conditioning research (01.12.2023)“… Within-participant principal component analysis of external training load and intensity measures in youth soccer training…”
Get more information
Journal Article -
16
Adaptive dimensionality reduction for neural network-based online principal component analysis
ISSN: 1932-6203, 1932-6203Published: United States Public Library of Science 30.03.2021Published in PloS one (30.03.2021)“…“Principal Component Analysis” (PCA) is an established linear technique for dimensionality reduction…”
Get full text
Journal Article -
17
Saliency Detection via the Improved Hierarchical Principal Component Analysis Method
ISSN: 1530-8669, 1530-8677Published: Cairo, Egypt Hindawi Publishing Corporation 2020Published in Wireless communications and mobile computing (2020)“… on Hierarchical Principal Component Analysis (HPCA) has been proposed in the paper. Firstly, the original RGB image has been converted to a grayscale image, and the original…”
Get full text
Journal Article -
18
A novel approach to study human posture control: “Principal movements” obtained from a principal component analysis of kinematic marker data
ISSN: 0021-9290, 1873-2380Published: United States Elsevier Ltd 08.02.2016Published in Journal of biomechanics (08.02.2016)“…Human upright posture is maintained by postural movements, which can be quantified by “principal movements” (PMs) obtained through a principal component analysis…”
Get full text
Journal Article -
19
VIPurPCA: Visualizing and Propagating Uncertainty in Principal Component Analysis
ISSN: 1077-2626, 1941-0506, 1941-0506Published: United States IEEE 01.04.2024Published in IEEE transactions on visualization and computer graphics (01.04.2024)“… Concretely, we consider the classic notion of principal component analysis (PCA): If it is applied to a finite data matrix containing imperfect (i.e., uncertain…”
Get full text
Journal Article -
20
Biomechanical features of gait waveform data associated with knee osteoarthritis: an application of principal component analysis
ISSN: 0966-6362Published: England 01.01.2007Published in Gait & posture (01.01.2007)“… Principal component analysis was used as a data reduction tool, as well as a preliminary step for further analysis to determine gait pattern differences between the OA and the control groups…”
Get full text
Journal Article