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      Respuesta a la carta "Comentarios al artículo Malnutrición por exceso y evolución clínica en niños menores de 2 años hospitalizados por infección respiratoria aguda baja"

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      Nutrición Hospitalaria
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          Comentarios al artículo "Malnutrición por exceso y evolución clínica en niños menores de dos años hospitalizados por infección respiratoria aguda baja"

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            Overweight and clinical course in children younger than two years old hospitalized for lower respiratory tract infection

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              A nonparametric approach for quantile regression

              Quantile regression estimates conditional quantiles and has wide applications in the real world. Estimating high conditional quantiles is an important problem. The regular quantile regression (QR) method often designs a linear or non-linear model, then estimates the coefficients to obtain the estimated conditional quantiles. This approach may be restricted by the linear model setting. To overcome this problem, this paper proposes a direct nonparametric quantile regression method with five-step algorithm. Monte Carlo simulations show good efficiency for the proposed direct QR estimator relative to the regular QR estimator. The paper also investigates two real-world examples of applications by using the proposed method. Studies of the simulations and the examples illustrate that the proposed direct nonparametric quantile regression model fits the data set better than the regular quantile regression method.
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                Author and article information

                Journal
                nh
                Nutrición Hospitalaria
                Nutr. Hosp.
                Grupo Arán (Madrid, Madrid, Spain )
                0212-1611
                1699-5198
                April 2020
                : 37
                : 2
                : 408
                Affiliations
                [2] orgnameHospital Josefina Martínez Chile
                [3] Santiago de Chile orgnamePontificia Universidad Católica de Chile orgdiv1Facultad de Medicina orgdiv2Departamento de Gastroenterología y Nutrición Pediátrica. División de Pediatría Chile
                [1] Santiago de Chile orgnameUniversidad Finis Terrae orgdiv1Facultad de Medicina orgdiv2Escuela de Nutrición y Dietética Chile
                Article
                S0212-16112020000300024 S0212-1611(20)03700200024
                10.20960/nh.02974
                bebab62e-b81c-4af5-a37a-f496483153f0

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 8, Pages: 1
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                SciELO Spain

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                Carta al Editor

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