r ggvis軸的百分比和小數位格式

Question

我想問一下，如果有人知道關於r格式包中的軸格式的答案ggvis。 我正在使用％軸格式，但是我想根據CVaR的擴展添加som小數位。 image here 這裏是我的代碼：

Datovka %>% ggvis(x = ~yShort,y = ~xShort,strokeWidth:=1, stroke:="blue", strokeWidth.hover := 3) %>% layer_paths() %>% layer_paths(x = ~yNoShort, y = ~xNoShort, data = DatovkaNoShort , stroke :="green",strokeWidth:=1, strokeWidth.hover := 3) %>% 
    layer_points(~vol,~r,data = vynosyR, fill := ~isinP, key := ~id , size := 60, size.hover :=120) %>% 
    # hide_legend("fill") %>% 
    add_tooltip(all_values, "hover") %>% 
    add_axis("x", title = "CVaR",format = "%" , title_offset = 50) %>% 
    add_axis("y", title = "Expected return", format = "%" , title_offset = 50) %>% 
    scale_numeric("y", nice = FALSE, clamp = TRUE) %>% 
    scale_numeric("x", nice = FALSE, clamp = TRUE) } 

謝謝

Answer 1

你可以閱讀有關格式化這裏：https://github.com/d3/d3-3.x-api-reference/blob/master/Formatting.md

df <- data.frame(x = seq(0.1, 1, 0.1)/100, y = runif(10)) 
df %>% ggvis(~x, ~y) %>% layer_paths() %>% add_axis("x", format = '.2%')