Table 1 Explanatory variables
From: Spatial analysis of outdoor indecent assault risk: a study using ambient population data
Variables | Source | Count | Median | Min | Max |
|---|---|---|---|---|---|
Target variable | Â | Â | Â | Â | Â |
 Indecent assault (Daytime) |  | 46 | 0 | 0 | 2 |
 Indecent assault (Nighttime) |  | 300 | 0 | 0 | 8 |
Ambient population variables | Â | Â | Â | Â | Â |
 (Weight components of each factor by NMF) |  |  |  |  |  |
Built-environment variables | Â | Â | Â | Â | Â |
 Building area | Fundamental geospatial data (Geospatial Information Authority of Japan; obtained December 2020) |  | 49,317 | 7 | 155,754 |
 Total street length | ArcGIS Geo Suite Road Network 2021 (ESRI Japan Inc.) |  | 4,675 | 0 | 13,053 |
Facility variables | Â | Â | Â | Â | Â |
 Number of train stations | Digital national land information (Published 2019) |  | 0 | 0 | 6 |
 Number of bus stops | Digital national land information (Published 2010) |  | 0 | 0 | 26 |
 Number of high schools | MapFan DB (GeoTechnologies Inc.) |  | 0 | 0 | 2 |
 Number of universities and junior colleges | MapFan DB (GeoTechnologies Inc.) |  | 0 | 0 | 2 |
 Number of convenience stores | MapFan DB (GeoTechnologies Inc.) |  | 0 | 0 | 20 |
 Number of wholesale trades and retail trades | Economic census (2016) |  | 6 | 0 | 431 |
 Number of life-related and entertainment services | Economic census (2016) |  | 2 | 0 | 98 |