作者: Avijit Ghosh
DOI: 10.1016/0148-2963(84)90023-7
关键词: Stationary model 、 Sample (statistics) 、 Statistics 、 Empirical research 、 Computer science
摘要: Abstract The question of spatial nonstationarity in retail choice models generally has been ignored the literature. This paper discusses why such might arise and presents an empirical test grocery data collected from a midwestern city. Based on these findings model is proposed. nonstationary predicts hold-out sample better than stationary model.