Results 91 to 100 of about 131,123 (260)

Time series data multi-scale missing value imputation

open access: yes大数据
Due to the widely available missing data in data, missing value imputation has become an extremely important issue in data processing. Equipment health management, such as fault diagnosis, life prediction, and early detection of weak faults, relies on ...
Wang Zhijie   +6 more
doaj  

Cumulative Social Disadvantage and Disease Activity in Juvenile Idiopathic Arthritis: A Childhood Arthritis and Rheumatology Research Alliance Registry Study

open access: yesArthritis Care &Research, EarlyView.
Objective Social determinants of health (SDOH) contribute to juvenile idiopathic arthritis (JIA) disparities, but most studies have assessed SDOH independently rather than cumulatively across individual, family, and neighborhood levels. Using a socioecological framework, we investigated the relationship among cumulative social disadvantage ...
William Daniel Soulsby   +448 more
wiley   +1 more source

Comparison of different approaches in handling missing data in longitudinal multiple-item patient-reported outcomes: a simulation study

open access: yesHealth and Quality of Life Outcomes
Background Patient-reported outcomes (PROs) are important clinical outcomes widely used as primary and secondary endpoints in clinical studies. However, PRO data often suffers from missing values for various reasons, which pose challenges to data ...
Minqian Yan   +4 more
doaj   +1 more source

A Comprehensive Bibliometric Analysis of Missing Value Imputation

open access: yesIEEE Access
Data quality plays a crucial role in tasks, such as enhancing the accuracy of data analytics and avoiding the accumulation of redundant data. One of the significant challenges in data quality is dealing with missing data, which has been extensively ...
Heru Nugroho, Kridanto Surendro
doaj   +1 more source

Biopsychosocial Determinants of Hand Function and Its Trajectories Over Five Years in Patients With Hand Osteoarthritis

open access: yesArthritis Care &Research, EarlyView.
Objective This study aimed to investigate hand function trajectories over five years in primary hand osteoarthritis (OA). Additionally, determinants of baseline and longitudinal hand function were assessed. Methods A total of 538 patients with both baseline and five‐year study visits were analyzed.
Annemiek V. E. M. Olde Meule   +4 more
wiley   +1 more source

Missing value imputation in a data matrix using the regularised singular value decomposition. [PDF]

open access: yesMethodsX, 2023
Arciniegas-Alarcón S   +3 more
europepmc   +1 more source

Associations of Rheumatoid Arthritis Disease Activity With Frailty Over Five Years of Follow‐up

open access: yesArthritis Care &Research, EarlyView.
Objective To evaluate whether rheumatoid arthritis (RA) disease activity is associated with frailty both in cross‐section and longitudinally. Methods Participants within the Veterans Affairs Rheumatoid Arthritis (VARA) registry enrolled from 2003 to 2022 were included.
Courtney N. Loecker   +14 more
wiley   +1 more source

The impact of missing data rates and imputation methods on the assumption of unidimensionality.

open access: yesPLoS ONE
Statistical models are essential tools in data analysis. However, missing data plays a pivotal role in impacting the assumptions and effectiveness of statistical models, especially when there is a significant amount of missing data.
Ayman Omar Baniamer
doaj   +1 more source

In-Advance Prediction of Pressure Ulcers via Deep-Learning-Based Robust Missing Value Imputation on Real-Time Intensive Care Variables. [PDF]

open access: yesJ Clin Med, 2023
Kim M   +16 more
europepmc   +1 more source

Pain and Patient‐Reported Physical Function Did Not Differ Among Body Composition Profiles in Patients With Hip Osteoarthritis

open access: yesArthritis Care &Research, EarlyView.
Objective To explore whether higher body fat and lower lean mass are associated with greater pain and worse patient‐reported physical function in individuals with hip osteoarthritis (OA). A secondary aim was to examine whether pain and patient‐reported physical function differ according to four body composition profiles: high body fat, low lean mass ...
Alexandra Ryan   +10 more
wiley   +1 more source

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