Out-of-Sample Predictability of the Equity Risk Premium by Daniel de Almeida, Ana-Maria Fuertes, Luiz Koodi Hotta

“…A comprehensive out-of-sample forecast evaluation exercise based on statistical and economic loss functions demonstrates the superiority of the proposed approach versus combined forecasts from linear models or Markov switching models and forecasts from machine learning methods such as random forests and gradient boosting. …”
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Dirichlet Forms Constructed from Annihilation Operators on Bernoulli Functionals by Caishi Wang, Beiping Wang

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Handling Multicollinearity and Outliers in Logistic Regression Using the Robust Kibria–Lukman Estimator by Adewale F. Lukman, Suleiman Mohammed, Olalekan Olaluwoye, Rasha A. Farghali

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Inflation, Inflationary Tax and Tax Evasion in Algeria: An Empirical Analysis of Underlying Causal Interactions by Feriel Dermechi, Ahmed Zakane

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Optimal Combination of EEFs for the Model Reduction of Nonlinear Partial Differential Equations by Jun Shuai, Xuli Han

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Detector Dead Time Determination and Optimal Counting Rate for a Detector Near a Spallation Source or a Subcritical Multiplying System by V. Bécares, J. Blázquez

“…On the contrary, if it is placed far away from the source, it will lose counting statistics. For this reason, there must exist an optimal position for placing the detector. …”
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Implementing the Vieta–Lucas Collocation Optimization Method for MHD Casson and Williamson Model under the Effects of Heat Generation and Viscous Dissipation by M.M. Khader, A. Eid, M. Adel

“…Some theorems are provided to investigate the method’s convergence. The statistics, which are given visually, were compared to the results of other researchers’ theoretical analysis.…”
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Subjective well being in adolescences on Minangkabau ethnic; an analysis based of dimension and gender by Berru Amalianita, Herman Nirawana

“…The data analysis technique used descriptive statistics and boxplot analysis used the JAPS (Jeffrey's Amazing Statistics Program) application. …”
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Basin of Attraction through Invariant Curves and Dominant Functions by Ziyad AlSharawi, Asma Al-Ghassani, A. M. Amleh

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High-Order Breather Solutions, Lump Solutions, and Hybrid Solutions of a Reduced Generalized (3 + 1)-Dimensional Shallow Water Wave Equation by Jing Wang, Biao Li

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Improved ratio type generalized class of estimators in two phase adaptive cluster sampling by Rohan Mishra, Rajesh Singh

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Analysis of SI models with multiple interacting populations using subpopulations by Evelyn K. Thomas, Katharine F. Gurski, Kathleen A. Hoffman

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Numerical Scheme for Finding Roots of Interval-Valued Fuzzy Nonlinear Equation with Application in Optimization by Ahmed Elmoasry, Mudassir Shams, Naveed Yaqoob, Nasreen Kausar, Yaé Ulrich Gaba, Naila Rafiq

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Sawi Decomposition Method for Volterra Integral Equation with Application by M. Higazy, Sudhanshu Aggarwal, Taher A. Nofal

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Some Novel Solutions to a Quadratically Damped Pendulum Oscillator: Analytical and Numerical Approximations by Alvaro H. Salas, Wedad Albalawi, M. R. Alharthi, S. A. El-Tantawy

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Distributed Cognitive Radio Spectrum Access with Imperfect Sensing Using CTMC by K. Muthumeenakshi, S. Radha

“…In a distributed scheme, each secondary user needs to be aware of the statistics—arrival and service rates—of the other secondary users to optimize the throughput while maintaining fairness. …”
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Association between exposure to 35 environmental pollutants and mortality from cerebrovascular diseases: A long-term prospective study by Lingjun Yan, Bingqin Xie, Zilin Liu, Yu Huang, Chenyu Ding, Wenhua Fang, Fuxin Lin, Yuanxiang Lin, Dezhi Kang, Fa Chen

“…Cerebrovascular disease-related deaths were ascertained from the National Center for Health Statistics, with mortality follow-up data available until December 31, 2019. …”
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The rationale, design of the Assisted reproductive technology cohort nested in a pre-pregnancy family cohort (APP-Cohort) by Wei Xiong, Qinghan Liang, Xiaojie Han, Qiaolu Cheng, Qihang Liu, Xifang Zuo, Huiyu Wang, Huijing He, Guangliang Shan

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A rationality condition for the existence of odd perfect numbers by Simon Davis

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Application of Multilevel Models to Morphometric Data. Part 1. Linear Models and Hypothesis Testing by O. Tsybrovskyy, A. Berghold

“…In addition, some theoretical issues related to MM as well as major statistical software for MM are briefly reviewed.…”
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