Forecasting Volatility of Stock Index: Deep Learning Model with Likelihood-Based Loss Function by Fang Jia, Boli Yang

“…In this paper, we use deep neural network (DNN) and long short-term memory (LSTM) model to forecast the volatility of stock index. Most related research studies use distance loss function to train the machine learning models, and they gain two disadvantages. …”
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Dynamic Influence Prediction of Social Network Based on Partial Autoregression Single Index Model by Ya-hui Jia, Taotao Song, Shun-yao Wu, Qi Zhang, Yu-xia Su

“…This article proposes a partial autoregression single index model to combine network structure (linear) and static covariates (nonparametric) flexibly. …”
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WINTER-HARDINESS AS AN INDEX OF WINTER WHEAT ADAPTIVITY UNDER ENVIRONMENTS OF UKRAINIAN FOREST-STEPPE by V. S. Kochmarsky, L. A. Kolomiets, A. L. Dergachev, A. S. Basanets

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MAPPING DRYNESS TIME-SCALES IN THE CURVATURE CARPATHIANS AND SUBCARPATHIANS (ROMANIA) BY THE STANDARDIZED PRECIPITATION INDEX by ANDUŢA GROFU, CARMEN-SOFIA DRAGOTĂ, CĂTĂLINA MĂRCULEŢ, LOREDANA-ELENA MIC

Subjects: “…Standardized Precipitation Index…”
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Signal Persistence of Bispectral Index and State Entropy during Surgical Procedure under Sedation by Chanannait Paisansathan, Mukadder D. Ozcan, Qaiser S. Khan, Verna L. Baughman, Mehmet S. Ozcan

“…Introduction. Bispectral index (BIS) and state entropy (SE) are prone to artifacts, especially due to electrocautery (EC). …”
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Clinical Application of the PES/WES Index on Natural Teeth: Case Report and Literature Review by Alessandro Lanza, Fabrizio Di Francesco, Gennaro De Marco, Felice Femiano, Angelo Itro

“…The aim of this study is to verify the validity of PES/WES index for natural tooth-prosthetic rehabilitation of the anterior area. …”
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Assessment of the Severity of Intermediate Coronary Artery Stenosis Using the Systemic Inflammatory Response Index by Serdar Akyel, Ahmet Korkmaz, Abdülkadir Yıldız

Subjects: “…systemic inflammatory response index (SIRI)…”
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A time-varying index for agricultural suitability across Europe from 1500–2000 by Alexander Lehner, Dylan Philippe

“…Relying on recent advances in paleoclimatology, we bridge this gap by constructing a spatio-temporal measure for agricultural suitability across Europe for a period of 500 years. Our gridded index has a 0.5° resolution and is available at a yearly level. …”
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The Association of the Pulmonary Artery Pulsatility Index and Right Ventricular Function after Cardiac Surgery by Johnny Wei, Abigail Kee, Rachel Dukes, Jack Franke, Vincent Leonardo, Brigid C. Flynn

“…The pulmonary artery pulsatility index (PAPi) has been shown to correlate with right ventricular (RV) failure in patients with cardiac disease. …”
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The Microbial Activity in PM2.5 in Indoor Air: As an Index of Air Quality Level by Hanlin Chen, Rui Du, Weishan Ren, Sujian Zhang, Pengrui Du, Yongtao Zhang

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Analysis of Refractive Index Sensing Properties of a Hybrid Hollow Cylindrical Tetramer Array by Meng Wang, Paerhatijiang Tuersun, Aibibula Abudula, Lan Jiang, Dibo Xu

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Genetic interaction between oxidative stress and body mass index in a Spanish population by Francisco Lara-Hernández, Rebeca Melero, María Elena Quiroz-Rodríguez, Celeste Moya-Valera, Mariana de Jesús Gallardo-Espinoza, Luis Álvarez, Ingrid Lizeth Valarezo-Torres, Laisa Briongos-Figuero, Jessica Abadía-Otero, Francisco Javier Mena-Martin, Guillermo Saez, Josep Redon, Juan-Carlos Martín-Escudero, Ana-Bárbara García-García, Guillermo Ayala, Felipe Javier Chaves

Subjects: “…Body mass index…”
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Optimisation of Driver’s Traffic Literacy Evaluation Index from the Perspective of Information Contribution Sensitivity by Lingzhi Wang, Kang Tian

“…This paper establishes an evaluation index system for traffic literacy of urban drivers. …”
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Comparison of Nursing Home Hearing Handicap Index with Audiological Findings: A Presbycusis Study by M. H. Nilforoush, A. A. Nasr Esfahani, R. Ishaghi, M. Sepehrnejad

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Relationship between Brittleness Index and Crack Initiation Stress Ratio for Different Rock Types by Juyu Jiang, Dong Wang, Xinping Han, Shuai Di

“…The relationship between brittleness index and K is obtained from laboratory mechanics tests including uniaxial compression and Brazilian splitting tests. …”
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Enhancing stock index prediction: A hybrid LSTM-PSO model for improved forecasting accuracy. by Xiaohua Zeng, Changzhou Liang, Qian Yang, Fei Wang, Jieping Cai

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Leachate characterization and identification of dominant pollutants using leachate pollution index for an uncontrolled landfill site by S. De, S. Maiti, T. Hazra, A. Debsarkar, A. Dutta

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Association between frailty index and mortality in depressed patients: results from NHANES 2005–2018 by Xiaoqiang Liu, Yubin Wang, Yingxuan Huang, Chanchan Lin, Boming Xu, Yilin Zeng, Peizhong Chen, Xiaobo Liu, Yisen Huang

Subjects: “…Frailty index…”
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Causal association between body mass index and dilated cardiomyopathy: a Mendelian randomization study by Gang Fan, Lin Lin, Chao Xu

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Prevalence of caries according to ceod index in 6 years old school children of CuencaEcuador by Eleonor Velez, Liliana Encalada, Maria Jose Fernandez, Grecia Salinas

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