在Slidify中调整Plotly图表的大小

Question

我用R创建了一个plotly图表，然后通过htmlwidget保存图表，以便在slidify中调用。我尝试在layout和index.Rmd的width和height参数中进行调整，以使图表适应slidify幻灯片，但最终结果总是在添加一些文本时剪切图表底部的部分。

如何真正调整slidify中plotly图表的大小？

R脚本中的代码

## first slide
date <- seq(from = as.POSIXct("2015/4/1"),
            to = as.POSIXct("2015/10/1"),
            by = "month")

as.Date(date, "%Y/%m/%d")

set.seed(2016)
tot.prem <- runif(n = 7, min = 0, max = 1200)
pol.frce <- runif(n = 7, min = 0, max = 6000)
tot.data <- cbind(date, tot.prem, pol.frce)
tot.data <- data.frame(Date = as.POSIXct(date, format = "%Y/%m/%d"), 
                  WP = tot.prem, 
                  PIF = pol.frce)

m = list(
  l = 50,
  r = 50,
  b = 100,
  t = 100,
  pad = 4
)

p1 <- tot.data %>% 
  subplot(plot_ly(x = date, y = tot.prem, type = "bar"),
          plot_ly(x = date, y = pol.frce, type = "bar"), margin = 0.05) %>% 
  layout(showlegend = FALSE, 
         title = "Written Premium and PIF", 
         yaxis = list(title = "WP (in Millions)", showgrid = FALSE),
         xaxis = list(title = "Date"),
         yaxis2 = list(title = "Policy in Force", showgrid = FALSE),
         xaxis2 = list(title = "Date"),
         autosize = F, width = 600, height = 400, margin = m
         )
p1
# saveWidget(dplot, 'plotlyex1.html')
htmlwidgets::saveWidget(as.widget(p1), "wp.html")

index.Rmd摘录

## Program Summary

- Point 1: blah blah blah
- Point 2: blah blah blah
- Point 3: blah blah blah

```{r wp, echo=FALSE, warning=FALSE, cache=FALSE, results='asis'}
cat('<iframe src="./assets/widgets/wp.html" width=100% height=10% allowtransparency="true"> </iframe>')
```

---

幻灯片

- Ken

Answer 1

我找到了解决文本问题的方法，但没有解决您的尺寸查询。如果您在图形下方放置一些文本，则x轴文本将正确显示。如果您不想要文本，则空白字符也可以使用，例如：

```{r wp, echo=FALSE, warning=FALSE, cache=FALSE, results='asis'}
cat('<iframe src="./assets/widgets/wp.html" width=100% height=10% allowtransparency="true"> </iframe>')
```
&#032;

你的代码帮助我在Slidify中实现了第一个Plotly显示，非常感谢你。

- Tim