Výsledky vyhledávání - "missing data"

Missing Financial Data.

Autoři: Bryzgalova, Svetlana Lerner, Sven Lettau, Martin a další

Zdroj: Review of Financial Studies. Mar2025, Vol. 38 Issue 3, p803-882. 80p.

Témata: *FINANCIAL statements, *TIME series analysis, *RISK premiums, *FINANCIAL research, *PORTFOLIO management (Investments), MISSING data (Statistics)

Bayesian hierarchical meta-analysis using individual participant data for modeling heterogeneous dropout patterns across multiple clinical trials.

Autoři: Tefera, Eshetu Chen, Chixiang Buchanan, Robert a další

Zdroj: Journal of Applied Statistics. Oct2025, p1-18. 18p. 5 Illustrations.

Témata: *SIMULATION methods & models, CLINICAL trials, MISSING data (Statistics), INFERENTIAL statistics, PEOPLE with schizophrenia

Fractional imputation algorithm in functional-coefficient structural equation model.

Autoři: Cheng, Hao¹ (AUTHOR) chenghaostatistics@yeah.net

Zdroj: Communications in Statistics: Simulation & Computation. Oct2025, p1-24. 24p. 4 Illustrations.

Témata: *TECHNOLOGICAL innovations, *ESTIMATION theory, STRUCTURAL equation modeling, MISSING data (Statistics), PATH analysis (Statistics)

Tests for one and two mean vectors and simultaneous confidence intervals with monotone incomplete data.

Autoři: Yagi, Ayaka Seo, Takashi

Zdroj: Communications in Statistics: Simulation & Computation. 2025, Vol. 54 Issue 10, p4403-4430. 28p.

Témata: *STATISTICAL hypothesis testing, *MONTE Carlo method, MISSING data (Statistics), T-test (Statistics), INFERENTIAL statistics, VECTOR analysis, STATISTICAL power analysis

Nonparametric estimation of path‐specific effects in the presence of nonignorable missing covariates.

Autoři: Shan, Jiawei Wang, Ting Li, Wei a další

Zdroj: Scandinavian Journal of Statistics. Dec2025, Vol. 52 Issue 4, p1556-1593. 38p.

Témata: MEDIATION (Statistics), MISSING data (Statistics), NONPARAMETRIC estimation

Zero-inflated Poisson mixed model for longitudinal count data with informative dropouts.

Autoři: Sinha, Sanjoy K.¹ (AUTHOR) sinha@math.carleton.ca

Zdroj: Journal of Applied Statistics. Nov2025, Vol. 52 Issue 14, p2686-2706. 21p.

Témata: *ZERO-inflated probability distribution, *MONTE Carlo method, MISSING data (Statistics), EPIDEMIOLOGICAL research, LONGITUDINAL method, RANDOM effects model

Integrated exclusive hypothesis test for response missing at random.

Autoři: Huang, Qiyue Lei, Ji'an Chen, Fupeng a další

Zdroj: Communications in Statistics: Theory & Methods. 2025, Vol. 54 Issue 21, p6950-6965. 16p.

Témata: *REGRESSION analysis, *STATISTICAL hypothesis testing, *EMPIRICAL research, MISSING data (Statistics), STATISTICAL weighting

Hybrid imputation of missing values using KNN on MEWMA-based adaptive process control.

Autoři: Jiang, Yijun He, Tingting Yu, Miaomiao a další

Zdroj: Quality Technology & Quantitative Management. Nov2025, p1-21. 21p. 12 Illustrations.

Témata: *QUALITY control charts, MISSING data (Statistics), MOVING average process, OUTLIER detection, K-nearest neighbor classification, INTELLIGENT control systems

Revealing top-k dominant individuals in incomplete data based on spark environment.

Autoři: Wang, Ke Cui, Binge Lin, Jerry Chun-Wei a další

Zdroj: Environment, Development & Sustainability. Oct2025, Vol. 27 Issue 10, p24837-24857. 21p.

Témata: *DISTRIBUTED computing, *EMPIRICAL research, *ELECTRONIC data processing, MISSING data (Statistics), COMPUTATIONAL complexity, APPLIED sciences

Inference on outcome distribution and quantile functions with missing data, by quantile imputation, probability weighting, and doubly robust estimators.

Autoři: Yang, Ji-Yeon Yoon, Jungmo

Zdroj: Econometric Reviews. 2025, Vol. 44 Issue 10, p1564-1588. 25p.

Témata: *INCOME distribution, *WAGE statistics, MISSING data (Statistics), RESAMPLING (Statistics), ROBUST statistics, QUANTILE regression, STATISTICAL weighting

Comparative study of different approaches in dealing with null values for big mart sales prediction analysis.

Autoři: Raj, Deepak Singh, Rahul Dev

Zdroj: AIP Conference Proceedings. 10/31/2025, Vol. 3343 Issue 1, p1-7. 7p.

Témata: *MACHINE learning, *MISSING data (Statistics), *EVALUATION methodology, *BIG box stores, *SALES forecasting, *DATA augmentation, *RANDOM forest algorithms

Change-Point Detection in Dynamic Networks with Missing Links.

Autoři: Enikeeva, Farida Klopp, Olga

Zdroj: Operations Research. Sep/Oct2025, Vol. 73 Issue 5, p2417-2429. 13p.

Témata: *COMPUTER networks, CHANGE-point problems, MISSING data (Statistics), ANOMALY detection (Computer security), ROBUST control

Missing Data Handling via EM and Multiple Imputation in Network Analysis using Glasso and Atan Regularization.

Autoři: Nehler, Kai Jannik Schultze, Martin

Zdroj: Multivariate Behavioral Research. Sep/Oct2025, Vol. 60 Issue 5, p990-1012. 23p.

Témata: *DATA analysis, MISSING data (Statistics), MULTIPLE imputation (Statistics), MATHEMATICAL regularization, EXPECTATION-maximization algorithms, STATISTICAL models

Missing Data in Discrete Time State-Space Modeling of Ecological Momentary Assessment Data: A Monte-Carlo Study of Imputation Methods.

Autoři: Slipetz, Lindley R. Falk, Ami Henry, Teague R.

Zdroj: Multivariate Behavioral Research. Jul/Aug2025, Vol. 60 Issue 4, p695-710. 16p.

Témata: *MATHEMATICAL statistics, *TIME series analysis, MISSING data (Statistics), ECOLOGICAL momentary assessments (Clinical psychology), KALMAN filtering, STATISTICAL bias, STATE-space methods

Robust estimation of the parametric regression model under semi-supervised transfer learning.

Autoři: Lai, Peng Wang, Zhou Wang, Zitong

Zdroj: Communications in Statistics: Simulation & Computation. Sep2025, p1-18. 18p. 1 Illustration.

Témata: *REGRESSION analysis, ROBUST statistics, MISSING data (Statistics), SUPERVISED learning, KNOWLEDGE transfer, MULTIPLE imputation (Statistics), ASYMPTOTIC normality

Simulation comparison of the effects of missing data imputation methods on classification performance in high dimensional data.

Autoři: Varol, Bugra Kurt Omurlu, Imran Ture, Mevlut

Zdroj: Communications in Statistics: Simulation & Computation. Jul2025, p1-20. 20p. 13 Illustrations.

Témata: *MULTIVARIATE analysis, MISSING data (Statistics), EXTREME learning machines, CLASSIFICATION, K-nearest neighbor classification, MULTIPLE imputation (Statistics), INTERPOLATION

A Method for Constructing the Characteristics of English Majors in Vocational Colleges Based on Data Fusion of Educational Reform.

Autoři: Chao, Li Shi¹ (AUTHOR) m16637238969@163.com

Zdroj: International Journal of High Speed Electronics & Systems. Sep2025, Vol. 34 Issue 3, p1-21. 21p.

Témata: ANALYTIC hierarchy process, MISSING data (Statistics), COLLEGE teachers, EDUCATIONAL change, MULTISENSOR data fusion

Robust univariate missing data imputation in time series for air quality data.

Autoři: Haile, Tariku Tesfaye Tian, Fenglin Tian, Boping

Zdroj: Communications in Statistics: Theory & Methods. Jul2025, p1-21. 21p. 6 Illustrations.

Témata: *TIME series analysis, *BOX-Jenkins forecasting, *AIR quality, MISSING data (Statistics), KALMAN filtering, PARTICULATE matter, MULTIPLE imputation (Statistics), SEASONAL temperature variations

A nonparametric method to estimate the nonlinear effect of aggregate exposures on the binary outcome.

Autoři: Dong, Jianghu Plumb, Troy Liu, Ben a další

Zdroj: Communications in Statistics: Case Studies & Data Analysis. 2025, Vol. 11 Issue 3, p371-388. 18p.

Témata: *SIMULATION methods & models, AGGREGATION (Statistics), MISSING data (Statistics), ROBUST statistics, PUBLIC health, KIDNEY transplantation

From gender data gaps to gains: A sustainable approach to training and capacity building in Asia and the Pacific.

Autoři: Moonie, Sinovia Chang, Tsz Yu Serrao, Sharita a další

Zdroj: Statistical Journal of the IAOS. Sep2025, Vol. 41 Issue 3, p557-571. 15p.

Témata: *PARTNERING between organizations, *SUSTAINABLE development, CAPACITY building, MISSING data (Statistics), CURRICULUM, GENDER mainstreaming, GENDER inequality

Geografický termín: PACIFIC Area, ASIA