1. 2019-03-14 Re: [R-sig-Geo] Aggregating points based on distance r-sig-geo Andy Bunn 2. 2019-03-13 Re: [R-sig-Geo] Aggregating points based on distance r-sig-geo Barry Rowlingson 3. 2019-03-13 [R-sig-Geo] Aggregating points based on distance r-sig-geo Andy Bunn