Data underlying the paper：Two-echelon Vehicle Routing Problem Incorporating Robots for Last-mile Delivery

This dataset contains the raw data of numerical experiments in the article, involving comparative experimental data between robots and delivery personnel, comparative experimental data between heuristic algorithms and Cplex, comparative experimental data with different time window widths, and comparative experimental data of two charging strategiesThe specific information included is as follows: Customer(coordinates, time window, service time, demand), temporary stop point(coordinates), Warehouse (coordinates)