Rosado, João; Guerra, Daniel; Ferreira, Paulo - In: Revista de Métodos Cuantitativos para la Economía y … 32 (2021), pp. 3-12
, we make a seasonality analysis of those sales. In separate analysis, using information of the both existing shifts, of … the week day and of the month, we conclude that seasonality in sales is significant. This is an important information for …