Ranking data of 61 groups to calculate group proximity

Participants' rankings of four alternatives during a citizens' summit. The participants ranked the alternatives twice (ranking1 and ranking 2). In each file the rankings of a group of participants is collected, with a maximum of 10 participants per group. In total we collected the rankings of 61 groups.本数据集收录了公民峰会中参与者对四项备选方案的排序结果。参与者需对备选方案进行两次排序（分别记为ranking1与ranking2）。每个文件均收录了一组参与者的排序数据，每组参与者最多为10人。本次共收集了61组参与者的排序数据。