Table 1 Visit parameters and their default values

Location Precision

Precision value for each individual GLH point

 < 50 m

25 m, 75 m

Outlet Buffer Zone

Circular zone around outlets used to detect a potential visit. Buffer sizes vary based on the median size of each outlet category

Convenience Stores: 25 m

Department Stores: 55 m

Fruit & Vegetable Markets: 25 m

Full-Service Restaurants: 25 m

Limited-Service Restaurants: 25 m

Supermarkets/Other Grocery (excluding Convenience) Stores: 35 m

Warehouse Clubs & Supercenters: 55 m

− 10 m, + 10 m

Minimum Stay Duration

Minimum required time for visit consideration

3 min

1 min, 5 min

Maximum Stay Duration

Maximum required time for visit consideration

3 h

2 h, 4 h

Revisit Interval

Maximum required for consolidation 2 potential visits into one

3 h

2 h, 4 h