Showing 61 - 80 results of 102 for search '"logistic function"', query time: 0.09s Refine Results
  1. 61

    Prognostic impact of clinical and genetic factors on delayed elimination of methotrexate in children with acute lymphoblastic leukemia by O. D. Gurieva, M. I. Savelyeva, T. T. Valiev, S. R. Varfolomeeva, M. V. Ilyin

    Published 2025-01-01
    “…To form mathematical prognostic models, we used the method of logistic function construction using binary logistic regression with step-by-step selection of factors and, if necessary, additional construction of ROC-curves with subsequent ROC-analysis. …”
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    Article
  2. 62

    Deep Fuzzy Credibility Surfaces for Integrating External Databases in the Estimation of Operational Value at Risk by Alejandro Peña, Lina M. Sepúlveda-Cano, Juan David Gonzalez-Ruiz, Nini Johana Marín-Rodríguez, Sergio Botero-Botero

    Published 2024-11-01
    “…For the estimation of OpVar, the DFCS model incorporates a novel activation function based on the generalized log-logistic function to model random variables of frequency and severity that define a loss event (linguistic random variables), as well as a credibility surface to integrate the magnitude and heterogeneity of losses in a single structure as a result of the integration of databases. …”
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  3. 63

    Prognostic significance of the logistic regression model for assessing the risk of recurrence in patients with prostate cancer after radical prostatectomy by S. A. Reva, A. V. Arnautov, O. A. Klitsenko, S. B. Petrov

    Published 2022-12-01
    “…The construction of a logistic regression model consisted in obtaining a characteristic of the logistic function Ψ for the standard equation y = exp(ψ) / (1 + exp(ψ)).Results. …”
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    Article
  4. 64

    Mathematical Model for Assessing New, Non-Fossil Fuel Technological Products (Li-Ion Batteries and Electric Vehicle) by Igor E. Anufriev, Bulat Khusainov, Andrea Tick, Tessaleno Devezas, Askar Sarygulov, Sholpan Kaimoldina

    Published 2025-01-01
    “…First, it shows that the classical logistic function, due to the specificity of its structure, cannot correctly describe market saturation in the case of using resources with limited serves. …”
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    Article
  5. 65

    Patient satisfaction with health status in rheumatoid arthritis based on remote assessment: a pilot OPTIMA study (Patient-reported Outcomes, Severity and Medical care in Arthritis) by E. Yu. Polishchuk, A. E. Karateev, H. R. Makhmudov, K. S. Kalashnikov, N. A. Bulgakova, A. M. Lila

    Published 2025-06-01
    “…ROC curve analysis revealed a threshold value of the logistic function P at 49.6%, area under the curve (AUC) – 0.740 (95% CI 0.718–0.762), model sensitivity – 82%, specificity – 60%.Conclusion. …”
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  6. 66

    A New Measure of Mnemonic Discrimination Applicable to Recognition Memory Tests With Continuous Variation in Novel Stimulus Interference by Simon Léger, Christian Guinard, Selena Singh, Suzanna Becker, Jasmyn E. A. Cunningham, Martin Alda, Aaron J. Newman, Thomas Trappenberg, Abraham Nunes

    Published 2025-06-01
    “…Methods We derived participant‐level indices of MD (λ) and overall recognition memory performance (Δ) by fitting a logistic function to the relationship between stimulus interference and the probability of classifying a stimulus as novel. …”
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    Article
  7. 67

    Quantitative analysis of ocular deviation under eye occlusion: a descriptive study using the ORTe EYENAC eye-tracking system by Shunya Tatara, Yuna Magara, Touko Sasaki, Fumiatsu Maeda, Noriaki Murata, Kazuhiro Itagaki, Tomoya Handa, Haruo Toda

    Published 2025-05-01
    “…Data were fitted to a logistic function to estimate ocular deviations, deviation speed, and stabilization time. …”
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    Article
  8. 68

    The Effect of Hydrogen Peroxide on Biogas and Methane Produced from Batch Mesophilic Anaerobic Digestion of Spent Coffee Grounds by Siham Sayoud, Kerroum Derbal, Antonio Panico, Ludovico Pontoni, Massimiliano Fabbricino, Francesco Pirozzi, Abderrezzaq Benalia

    Published 2025-01-01
    “…Further, while previous research has established oxidative pretreatment efficacy, this study uniquely combines the empirical analysis of H<sub>2</sub>O<sub>2</sub> pretreatment with a detailed kinetic modeling approach using the modified Gompertz (MG) and logistic function (LF) models to estimate kinetic parameters and determine the accuracy of fit. …”
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    Article
  9. 69

    The relationship of clinical and morphological parameters with the BRAF status of the tumor in patients with stage I skin melanoma by K. S. Titov, M. V. Sorokina, S. S. Lebedev, D. N. Grekov, E. Yu. Neretin, T. A. Yakusheva

    Published 2024-09-01
    “…With a threshold value of the logistic function of 50%, the sensitivity and specificity of the proposed model were 28.0% and 93.7%, respectively. …”
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    Article
  10. 70

    Methodological Advancements in Testing Agricultural Nozzles and Handling of Drop Size Distribution Data by Giovanna Mazzi, Lorenzo Becce, Ayesha Ali, Mara Bortolini, Elena Gregoris, Matteo Feltracco, Elena Barbaro, Andreas Gronauer, Andrea Gambaro, Fabrizio Mazzetto

    Published 2025-05-01
    “…The cumulated DSD of the two nozzle types have then been fitted with a logistic function, with the aim to obtain nozzle performance models. …”
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    Article
  11. 71

    Reproductive Potential and Population Growth of the Worm <i>Enchytraeus buchholzi</i> (Clitellata: Enchytraeidae) Under Laboratory Conditions as Well as Regression Models by Limin Zhao, Guilan Ma

    Published 2025-02-01
    “…In Experiment II, both an exponential and a logistic function were applied to construct regression equations. …”
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    Article
  12. 72

    Geochemical and hydrocarbon generation evolution characteristics of marine-continental transitional facies shale: a case study of the Lower Permian Shanxi Formation in the Daning-J... by Yangyang ZHANG, Yong LI, Xueying ZHANG, Liyuan LUO, Qingbo HE, Shuxin LI, Xiangjun LIU, Xiang LI, Xingtao LI, Qiang YANG, Shijia CHEN, Jungang LU, Nan ZHANG, Zhe LIU, Ruiyang YU, Haichuan MA

    Published 2025-07-01
    “…For C1-5, the two peaks of activation energy were 56 kcal/mol (28.45%) and 61 kcal/mol (19.18%), with a frequency factor of 2.2×1011 S-1. (4) The variation trend between cumulative gas production rate and Ro for the marine-continental transitional facies shale in the Shanxi Formation followed the pattern of a logistic function described by y=1/(1+e-x). Cumulative gas production rate calculation models for both the closed and semi-closed systems were established. …”
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    Article
  13. 73

    Managing logistics standards to increase the market competitiveness of the organization by Somborac Borko, Stevanović Mirjana, Jovanović Dejan

    Published 2024-01-01
    “…Also, the standardization of logistics functions aims to mitigate financial fluctuations and accelerate organizational growth. …”
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    Article
  14. 74

    E-Business Strategy for Logistics Companies: Achieving Success through Information Systems Planning by Maria Kamariotou, Fotis Kitsios, Michael Madas

    Published 2021-10-01
    “…<i>Conclusions</i>: The outcomes support managers to focus on logistics functions and realize the importance of such ISP in logistics. …”
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    Article
  15. 75

    COMPARATIVE ANALYSIS OF MARKETING AND LOGISTICS DEPARTMENTS by K. Igrokova

    Published 2016-05-01
    “…The marketing and logistics functional contects are discussed. These comparative characteristics are concretized towards all funtional directions. …”
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    Article
  16. 76

    INTERACTION OF MARKETING AND LOGISTICS AT STAGES OF LIFE CYCLE OF PRODUCTS by K. Igrokova

    Published 2016-04-01
    “…The carrying out of evaluation coordination problems both logistics and marketing for the efficiency of their interaction.The marketing and logistics functions are discussed. These functions are concretized towards all problems of their coordination. …”
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    Article
  17. 77

    INTERACTION OF MARKETING AND LOGISTICS AT STAGES OF LIFE CYCLE OF PRODUCTS by K. Igrokova

    Published 2016-03-01
    “…The carrying out of evaluation purposes both logistics and marketing for the efficiency of their interaction.The marketing and logistics functions are discussed. These functions are concretized towards all stages of the life cycle of goods. …”
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    Article
  18. 78

    International Business Logistics Journal “IBL” by Sara H. Elgazzar

    Published 2021-06-01
    “…Logistics has achieved greater prominence within the business with increased awareness of its operational, strategic, and financial impact on business success. Logistics functions such as warehousing, inventory management, transportation modeling, and other logistics facilities have brought large towns and cities closer together.…”
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  19. 79

    Value-added service provision through ICT by drug wholesalers in Japan by Tsutomu Nakamura

    Published 2010-08-01
    “…In addition to performing intermediate distribution, they have also intensified logistics functions for pharmaceutical manufacturers and pharmacies. …”
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    Article
  20. 80

    LPI-ASSESSMENT OF OUTSOURCING OF LOGISTICS SERVICES IN THE AGRO-INDUSTRIAL COMPLEX OF UKRAINE by Volodymyr KOLODIICHUK, Volodymyr STANKO, Oleksandr AVERCHEV, Svitlana STANKO

    Published 2021-01-01
    “…The identified problems of outsourcing logistics services in the agro-industrial complex of Ukraine and the reasons for their occurrence made it possible to structure the directions for improving all LPI components in the context of the prospects for delegating logistics functions to industry intermediaries.…”
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    Article