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[英]add relevant information tooltip echarts4r boxplot outliers
[英]add totals to barchart tooltip in echarts4r
我正在尝试创建一个自定义工具提示,在echarts4r
,除了显示不同堆栈的值外,还显示总数(等于条形的高度):所以是这样的(来自chart.js:放置工具提示对于条形图顶部的堆积条形图):
此代码只是错过了总数
library(echarts4r)
library(tidyverse)
set.seed(2018)
dt <- data.frame(a =letters[1:10],
x = rnorm(10, mean = 20, sd = 5),
y = rnorm(10, mean = 20, sd = 5),
z = rnorm(10, mean = 10, sd = 5))
dt %>%
mutate(total = x +y +z) %>%
e_charts(a) %>%
e_bar(x, stack = "stack") %>%
e_bar(y, stack = "stack") %>%
e_bar(z, stack = "stack") %>%
e_grid(containLabel = T) %>%
e_tooltip(trigger = "axis")
这段代码显示的数据还算可以,但没有正确的标签,看起来不太好看(例如错过了颜色代码)
dt %>%
mutate(total = x +y +z) %>%
e_charts(a) %>%
e_bar(x, stack = "stack", bind = total) %>%
e_bar(y, stack = "stack", bind = total) %>%
e_bar(z, stack = "stack", bind = total) %>%
e_grid(containLabel = T) %>%
e_tooltip(formatter = htmlwidgets::JS("
function(params)
{
return `<strong>${params.value[0]}</strong>
<br/> ${params.value[1]}
<br/>Total: ${params.name}`
} "))
调整这个答案可以这样实现:
注意:此外,我稍微增加了宽度,将数字右对齐并计算了格式化程序函数内的总数。
library(echarts4r)
library(tidyverse)
set.seed(2018)
dt <- data.frame(a =letters[1:10],
x = rnorm(10, mean = 20, sd = 5),
y = rnorm(10, mean = 20, sd = 5),
z = rnorm(10, mean = 10, sd = 5))
dt %>%
e_charts(a) %>%
e_bar(x, stack = "stack") %>%
e_bar(y, stack = "stack") %>%
e_bar(z, stack = "stack") %>%
e_grid(containLabel = T) %>%
e_tooltip(trigger = "axis", formatter = htmlwidgets::JS('
function (params) {
let tooltip = `<p style="width: 100px;">${params[0].axisValue}</p>`;
let total = 0
params.forEach(({ seriesName, marker, value }) => {
value = value || [0, 0];
tooltip += `<p style="width: 100px;">${marker} ${seriesName}<span style="float: right;"><strong>${value[1]}</strong></span></p>`;
total += Number(value[1]);
});
tooltip += `<p style="width: 100px;">Total<span style="float: right;"><strong>${total}</strong></span>`;
return tooltip;
}'))
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