ggplot 修改离散坐标的顺序 ggplot作图默认对分类数据采用字母顺序进行排序（如下图中横坐标所示）序，我们可以对其进行重新排序，以使图形更加美观或更能清楚的表达数据模 … ← Here’s why you need to bring a rubber band to every class you teach, every time. A world of Wansinks in medical research: “So I guess what I’m trying to get at is I wonder how common it is for clinicians to rely on med students to do their data analysis for them, and how often this work then gets published” →