Gun Violence

See the codebook for full details. A mass shooting is defined as four or more people injured or killed, because of firearms, excluding the shooter. The data on mass shootings is from https://www.gunviolencearchive.org/ .<br> <br> The curated datasets are included here along with a research question and guiding questions.<br> <br>完整细节请查阅代码手册（codebook）。 大规模枪击事件的定义为：因枪支导致四人及以上人员受伤或死亡，且不包含枪击行凶者本人。本次大规模枪击事件相关数据来源于https://www.gunviolencearchive.org/。 本次经整理的数据集已与研究问题及指导性问题一同收录于此。