在时间序列图上需要一条固定的水平线

Question

我有一个基于时间序列的绘图，但现在我需要添加一个固定的水平线，比如 y=238 你能给我一些想法吗？

fig= plot_ly(
  data = x,
  x = x$time,
  y = x$infected,
  mode = 'lines'
)

fig

Answer 1

尝试

fig
abline(h=238, col='red', lw=2)

Answer 2

用这个的最后一行弄明白了

fig <- plot_ly() %>% 
  add_lines(x = ~netA$time, y = ~netA$infected, name = "Infection A", type = "scatter", mode = "lines") %>%
  add_lines(x = ~netB$time, y = ~netB$infected, name = "Infection B", type = "scatter", mode = "lines") %>%
    add_segments(x = 0, xend = nrow(netA), y = vcount(g_primschool_a), yend = vcount(g_primschool_a))
fig

在时间序列图上需要一条固定的水平线

requiring a a fixed horizontal line on a times series plot

r

plotly

r-plotly