使用 ggplotly() 显示绘图时，绘图字幕丢失

【问题标题】：Plot subtitle is lost when plot is diplayed with ggplotly()使用 ggplotly() 显示绘图时，绘图字幕丢失
【发布时间】：2021-11-03 11:47:44
【问题描述】：

我用标题和副标题创建了下面的 ggplot，但是当我使用 ggplotly() 显示它时，副标题丢失了。

library(ggplot2)
p <- ggplot(ToothGrowth, aes(x = factor(dose), y = len)) + 
  geom_boxplot()
library(plotly)
p <- p + labs(title = "Effect of Vitamin C on Tooth Growth",
              subtitle = "Plot of length by dose",
              caption = "Data source: ToothGrowth")
ggplotly(p)

【问题讨论】：

标签： r ggplot2 ggplotly

【解决方案1】：

library(ggplot2)
p <- ggplot(ToothGrowth, aes(x = factor(dose), y = len)) + 
  geom_boxplot()
library(plotly)
p <- p + labs(title = "Effect of Vitamin C on Tooth Growth",
              subtitle = "Plot of length by dose",
              caption = "Data source: ToothGrowth")
ggplotly(p)%>% 
  layout(title = list(text = paste0('Effect of Vitamin C on Tooth Growth"',
                                    '<br>',
                                    '<sup>',
                                    'Plot of length by dose','</sup>')))

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【讨论】：