Results 1 to 10 of about 151,497 (141)

A comparison of imputation methods for categorical data

open access: yesInformatics in Medicine Unlocked, 2023
Objectives: Missing data is commonplace in clinical databases, which are being increasingly used for research. Without giving any regard to missing data, results from analysis may become biased and unrepresentative.
Shaheen MZ. Memon   +2 more
doaj   +4 more sources

Deep Learning Methods for Omics Data Imputation

open access: yesBiology, 2023
One common problem in omics data analysis is missing values, which can arise due to various reasons, such as poor tissue quality and insufficient sample volumes.
Lei Huang   +6 more
doaj   +6 more sources

A Benchmark for Data Imputation Methods [PDF]

open access: yesFrontiers in Big Data, 2021
With the increasing importance and complexity of data pipelines, data quality became one of the key challenges in modern software applications. The importance of data quality has been recognized beyond the field of data engineering and database ...
Sebastian Jäger   +2 more
doaj   +3 more sources

Outcome-sensitive multiple imputation: a simulation study [PDF]

open access: yesBMC Medical Research Methodology, 2017
Background Multiple imputation is frequently used to deal with missing data in healthcare research. Although it is known that the outcome should be included in the imputation model when imputing missing covariate values, it is not known whether it should
Evangelos Kontopantelis   +3 more
doaj   +5 more sources

yaImpute: An R Package for kNN Imputation [PDF]

open access: yesJournal of Statistical Software, 2007
This article introduces yaImpute, an R package for nearest neighbor search and imputation. Although nearest neighbor imputation is used in a host of disciplines, the methods implemented in the yaImpute package are tailored to imputation-based forest ...
Andrew O. Finley, Nicholas L. Crookston
doaj   +1 more source

Efficient Difference and Ratio-Type Imputation Methods under Ranked Set Sampling

open access: yesAxioms, 2023
It is well known that ranked set sampling (RSS) is more efficient than simple random sampling (SRS). Furthermore, the presence of missing data vitiates the conventional results.
Shashi Bhushan   +3 more
doaj   +3 more sources

Ensemble Learning for Multi-Label Classification with Unbalanced Classes: A Case Study of a Curing Oven in Glass Wool Production

open access: yesMathematics, 2023
The Industrial Internet of Things (IIoT), which integrates sensors into the manufacturing system, provides new paradigms and technologies to industry.
Minh Hung Ho   +7 more
doaj   +1 more source

A Bayesian Approach for Imputation of Censored Survival Data

open access: yesStats, 2022
A common feature of much survival data is censoring due to incompletely observed lifetimes. Survival analysis methods and models have been designed to take account of this and provide appropriate relevant summaries, such as the Kaplan–Meier plot and the ...
Shirin Moghaddam   +2 more
doaj   +1 more source

A Systematic Literature Review On Missing Values: Research Trends, Datasets, Methods and Frameworks [PDF]

open access: yesE3S Web of Conferences, 2023
Handling of missing values in data analysis is the focus of attention in various research fields. Imputation is one method that is commonly used to overcome this problem of missing data.
Setiawan Ismail   +2 more
doaj   +1 more source

A Pragmatic Ensemble Strategy for Missing Values Imputation in Health Records

open access: yesEntropy, 2022
Pristine and trustworthy data are required for efficient computer modelling for medical decision-making, yet data in medical care is frequently missing.
Shivani Batra   +5 more
doaj   +1 more source

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