小编aye*_*epi的帖子

对于我的流程图，我有一个详细说明数据流的垂直图表。但是在向下箭头上，我想添加侧箭头来描述丢失数据的去向。我该怎么做呢？我在任何文档和示例中都看不到它，因为它往往涉及更复杂的事情，而且我知道这是一项非常基本的任务！

library(DiagrammeR)

grViz("digraph flowchart {
  # node definitions with substituted label text
  node [fontname = Helvetica, shape = rectangle, fixedsize = false, width = 1] 
  1 [label = 'data (100%)']
  2 [label = 'data  (90.4%)']
  3 [label = 'data  \\ndata (83.3%)']
  4 [label = 'data (66%)']


  7 [label = 'data (100%)']
  8 [label = 'data  (74.4%)']
  9 [label = 'data  (69.6%)']
  10 [label = 'data  (55.4%)']

  1 -> 2 -> 3 -> 4;

  7 -> 8 -> 9 -> 10 …