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[英]How to add a dash vertical line in r plotly with time series plot
[英]How do I add legends in a groupby line plot in plotly in R?
我試圖在圖表的分組線圖中為每一行添加圖例但我找不到相關文檔。 這是沒有圖例的代碼(來自官方文檔https://plot.ly/r/group-by/的代碼)。
library(plotly)
p <- plot_ly(
type = 'scatter',
x = mtcars$hp,
y = mtcars$qsec,
text = paste("Make: ", rownames(mtcars),
"<br>hp: ", mtcars$hp,
"<br>qsec: ", mtcars$qsec,
"<br>Cyl: ", mtcars$cyl),
hoverinfo = 'text',
mode = 'markers',
transforms = list(
list(
type = 'groupby',
groups = mtcars$cyl,
styles = list(
list(target = 4, value = list(line =list(color = 'blue'))),
list(target = 6, value = list(line =list(color = 'red'))),
list(target = 8, value = list(line =list(color = 'black')))
)
)
)
)
在底部添加布局命令將工作layout(showlegend = TRUE)
。 這可以通過使用library(dplyr)
包來管理,如下所示:
library(plotly)
library(dplyr)
p <- plot_ly(
type = 'scatter',
x = mtcars$hp,
y = mtcars$qsec,
text = paste("Make: ", rownames(mtcars),
"<br>hp: ", mtcars$hp,
"<br>qsec: ", mtcars$qsec,
"<br>Cyl: ", mtcars$cyl),
hoverinfo = 'text',
mode = 'markers',
transforms = list(
list(
type = 'groupby',
groups = mtcars$cyl,
styles = list(
list(target = 4, value = list(line =list(color = 'blue'))),
list(target = 6, value = list(line =list(color = 'red'))),
list(target = 8, value = list(line =list(color = 'black')))
)
)
)
) %>%
layout(showlegend = TRUE)
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