A retail facility is one of an important part of people's daily life. Recently, retail distributions created by a collection of retail facilities change are rapidly effected by fashion, economic trends, urban redevelopments, and so forth. These rapid changes need to be traced and clearly understood to prevent residents and visitors of the city from their inconveniences.
This paper proposes a method using circular statistics for analyzing and visualizing direction of retail distribution expansion in urban space. HSV color space is used for result visualization. An empirical study is done with NTT Townpage data of Shibuya ward.
