英文:
Use labels with ggdag and ggplot
问题
我正在使用ggdag创建一个有向无环图（DAG），如下所示：
test <- dagify("a" ~ "b","b" ~ "c","c" ~ "d","b" ~ "d",exposure = "b",outcome = "d",labels = c(a = "A",b = "B",c = "D"))
然后，使用ggplot可以轻松控制颜色，例如：
test %>%ggplot(aes(x = x, y = y, xend = xend, yend = yend)) +geom_dag_point(color = "orange") +geom_dag_edges_arc(edge_color = "blue", curvature = 0) +geom_dag_text(color = "black") +theme_dag()
但是，我无法使标签显示出来，就像这样：
ggdag(test, text = FALSE,use_labels = "label", edge_type = "link_arc")
如何在DAG和ggplot中添加标签呢？
英文:
I'm using ggdag to create a DAG such as
test <- dagify("a" ~ "b","b" ~ "c","c" ~ "d","b" ~ "d",exposure = "b",outcome = "d",labels = c(a = "A",b = "B",c = "D"))
And with ggplot I can get nice control of the colors such as
test %>%ggplot(aes(x = x, y = y, xend = xend, yend = yend)) +geom_dag_point(color = "orange") +geom_dag_edges_arc(edge_color = "blue", curvature = 0) +geom_dag_text(color = "black") +theme_dag()
But I can't get it to display labels, such as in
ggdag(test, text = FALSE,use_labels = "label", edge_type = "link_arc")
How do I get labels with DAGs and ggplot?
答案1
得分: 1
我发现文档提到了 geom_dag_repel_label，但实际函数应该是 geom_dag_label_repel。
test %>%ggplot(aes(x = x, y = y, xend = xend, yend = yend)) +geom_dag_point(color = "orange") +geom_dag_edges_arc(edge_color = "blue", curvature = 0) +geom_dag_label_repel(aes(label = label), colour = "black", show.legend = FALSE) +theme_dag()
英文:
I figured out that the documentation refers to geom_dag_repel_label but the function is really geom_dag_label_repel
test %>%ggplot(aes(x = x, y = y, xend = xend, yend = yend)) +geom_dag_point(color = "orange") +geom_dag_edges_arc(edge_color = "blue", curvature = 0) +geom_dag_label_repel(aes(label = label), colour = "black", show.legend = FALSE) +theme_dag()
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