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Showing 1-20 of 286 results
  1. Article

    Asymptotic expected sensitivity function and its applications to measures of monotone association

    We introduce a new type of influence function, the asymptotic expected sensitivity function, which is often equivalent to but mathematically more...

    17 August 2024
  2. Conference paper

    Stockout Reduction Using Forecasting Methods, the EOQ Model and a Safety Stock in a Peruvian SME in the Commercial Sector

    Effective inventory management is a constant challenge for SMEs. Stockouts represent a significant obstacle that affects the operability and...
    Ariana Alisson Borja-Gonzales, Alexandra Beatriz Perez-Soto, Alberto Flores-Perez in Industrial Engineering and Industrial Management
    2024
  3. Chapter

    The Influence Function of Scatter Halfspace Depth

    In this work, we investigate robustness properties of scatter halfspace depth. Its influence function (IF) and sensitivity curve (SC) are studied in...
    Gaëtan Louvet, Germain Van Bever in Recent Advances in Econometrics and Statistics
    2024
  4. Article
    Full access

    Robust estimation of fixed effect parameters and variances of linear mixed models: the minimum density power divergence approach

    Many real-life data sets can be analyzed using linear mixed models (LMMs). Since these are ordinarily based on normality assumptions, under small...

    Giovanni Saraceno, Abhik Ghosh, ... Claudio Agostinelli in AStA Advances in Statistical Analysis
    29 March 2023 Open access
  5. Article
    Full access

    An Application of Item Response Theory for Agricultural Sustainability Measurement

    The concept of agricultural sustainability has been evolving since the mid-twentieth century. However, there is still not a universally accepted...

    Brian Beadle, Stephan Brosig, Christoph Wunder in Journal of Agricultural, Biological and Environmental Statistics
    15 November 2024 Open access
  6. Article
    Full access

    Does Size Matter? Analysing the Financial Implications of COVID-19 on SMEs and Large Companies Using a Hybrid Methodology

    Financial distress prediction holds significant value for stakeholders as it signals a company’s financial health. This study has three key....

    17 February 2025 Open access
  7. Conference paper

    A Direct Approach in Extremal Index Estimation

    The limit distribution of the normalized maxima of stationary sequences exists under specific conditions, even in the presence of some dependence...
    Manuela Souto de Miranda, M. Cristina Miranda, M. Ivette Gomes in New Frontiers in Statistics and Data Science
    2025
  8. Article

    Robustness of Principal Component Analysis with Spearman’s Rank Matrix

    This paper is concerned with robust principal component analysis (PCA) based on spatial sign and spatial rank vectors. The most common PC approach is...

    Kodai Watanabe, Kanta Naito, Inge Koch in Journal of Statistical Theory and Practice
    04 January 2024
  9. Article
    Full access

    A refreshing take on the inverted Dirichlet via a mode parameterization with some statistical illustrations

    The inverted Dirichlet (IDir) distribution is a popular choice for modeling multivariate data with positive support; however, its conventional...

    A. F. Otto, J. T. Ferreira, ... S. D. Tomarchio in Journal of the Korean Statistical Society
    23 November 2024 Open access
  10. Chapter

    Can We Give the Maximum Sharpe Ratio Portfolio a Chance?

    This chapter studies the applicability of the maximum Sharpe ratio (MaxSR) portfolio strategy in real-world settings. As shown by Okhrin and Schmidt...
    2024
  11. Chapter
    Full access

    Questionnaire Design and Response Propensities for Labour Income Microdata

    The income question in household surveys is one of the most socially sensitive constructs. Two problems that arise with social sensitivity concern...
  12. Article

    Optimal Band Selection Using Evolutionary Machine Learning to Improve the Accuracy of Hyper-spectral Images Classification: a Novel Migration-Based Particle Swarm Optimization

    In the domain of real-world concept learning, feature selection plays a crucial role in accelerating learning processes and enhancing the quality of...

    Milad Vahidi, Sina Aghakhani, ... Mehrdad Kaveh in Journal of Classification
    16 September 2023
  13. Chapter

    Robust Estimation of General Linear Mixed Effects Models

    The classical REML estimator for fitting a general linear mixed effects model is modified by bounding the terms appearing in the scoring equations....
    Manuel Koller, Werner A. Stahel in Robust and Multivariate Statistical Methods
    2023
  14. Reference work entry

    Diagnostic Trials

    The term diagnostic trial is generally used in two different ways. A diagnostic trial type I describes studies that evaluate accuracy of diagnostic...
    Madhu Mazumdar, Xiaobo Zhong, Bart Ferket in Principles and Practice of Clinical Trials
    2022
  15. Chapter

    Determinants of Non-Performing Loans: Evidence from Indian Banks

    The incessant worsening in the asset quality of Indian banks is one of the prominent concerns for the regulator and policymakers, particularly in the...
    Dhanraj Sharma, Ruchita Verma, Shubham Sharma in Data Analytics for Management, Banking and Finance
    2023
  16. Chapter

    Design of Audit Programs

    Audit programs—from a scientific perspective, natural experiments—are empirical studies in which the activities of firms, individuals, or groups are...
    J. Christopher Westland in Audit Analytics
    2024
  17. Article

    Constrained Multivariate Functional Principal Components Analysis for Novel Outcomes in Eye-Tracking Experiments

    Individuals with autism spectrum disorder (ASD) tend to experience greater difficulties with social communication and sensory information processing....

    Brian Kwan, Catherine A. Sugar, ... Damla Şentürk in Statistics in Biosciences
    16 November 2023
  18. Article

    Finding Outliers in Gaussian Model-based Clustering

    Clustering, or unsupervised classification, is a task often plagued by outliers. Yet there is a paucity of work on handling outliers in clustering....

    Katharine M. Clark, Paul D. McNicholas in Journal of Classification
    30 May 2024
  19. Article

    A CNN-based multi-level face alignment approach for mitigating demographic bias in clinical populations

    The investigation of demographic bias in facial analysis applications is a topic of growing interest with achievements in face recognition and gender...

    Ricardo T. Freitas, Kelson R. T. Aires, ... Pedro L. M. Soares in Computational Statistics
    04 August 2023
  20. Chapter

    Data Analytics Incorporated with Machine Learning Approaches in Finance

    From the last few decades, a huge volume of financial data has been generated from the various heterogeneous sources of financial institutions. This...
    Sanjay Goswami, Jyoti Mishra, Mahendra Tiwari in Data Analytics for Management, Banking and Finance
    2023
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