ResumenEl artículo muestra el cálculo de los splines cúbicos que definen el comportamiento de la radiación solar global en una localidad ecuatorial alto andina. El suavizado spline se desarrolla en un espacio funcional normado ortogonal donde se transforman los datos discretizados (ti,xi) en funciones X(t). El análisis de datos univariante y multivariante permite estudiar los fenómenos naturales desde conjuntos finitos de valores numéricos. Por otro lado, la recolección de datos implica no solo obtener los valores, sino también involucra los procesos o funciones que les dan origen. Para la detección de datos atípicos se empleó el remuestreo mediante aleatorización muestral (bootstrap), con lo que se obtuvo las medias anuales, mensuales y por períodos climáticos. Los promedios funcionales mensuales de la radiación solar global muestran la presencia de dos formas de comportamiento en el período estudiado. Palabras clave: spline cúbico; análisis de datos funcionales; análisis estadístico; radiación solar global; datos meteorológicos; aleatorización muestral AbstractThe article shows the calculation of cubic splines that defines the behavior of the global solar radiation on a high Andean equatorial location. The spline smoothing is developed in a normed orthogonal functional space, where the discretized data (ti,xi) are transformed into functions X(t). The analysis of univariate and multivariate data allows studying natural phenomena from finite sets of numerical values. Data collection involves not only getting values, but also includes the processes or functions that give rise to them. Bootstrap resampling was used for detecting outliers with which annual, month and by climatic periods averages are obtained. Functional monthly averages of global solar radiation show the presence of two forms of behavior during the period studied.
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