Examinando por Autor "Galeano Ardila, Ingrid Lorena"
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- ÍtemModelos lineales mixtos para analizar el efecto del tiempo en las ventas por tiendas de una gran superficie(Fundación Universitaria Los Libertadores. Sede Bogotá., ) Cely Salazar, Mónica Viviana; Galeano Ardila, Ingrid Lorena; Rubriche Cárdenas, Juan CarlosThis paper analyzes the effect of time, the group of stores and the interaction between time and the group of stores in the sales of a large area, distributed by the store in Colombia, from the corresponding data in the period covered between 2013 and 2018. The study variables were sales, time and type of store. Given the number of stores in the large area, it was necessary to perform data classification using the k-means clustering technique, in this way three groups were generated through the sales trend of the large area; likewise, 4 mixed linear models were generated to determine the effect of group and time variables on sales. The results obtained show that stores can be classified into 3 groups, according to their sales margin; as for the mixed linear model that best explains the sales of the large area is the number 4.