我正在使用Embed API创建一张“LINE”图表,显示每天每种媒介的会话次数(分别是ga:sessions、ga:date和ga:medium),但我只能成功创建单个系列(每天的会话次数)。
var chart = new gapi.analytics.googleCharts.DataChart({
query : {
"ids" : view_id,
"start-date" : "30daysAgo",
"end-date" : "yesterday",
"dimensions" : "ga:date", // Works, but only produces single series
// "dimensions" : "ga:date,ga:medium", - Doesn't work
"metrics" : "ga:sessions",
},
chart : {
type : "LINE",
container : "ga-chart",
options : {
width: "100%",
title : title,
}
},
});
chart.execute();
我应该如何为 ga:medium 的每个值("推荐"、"有机搜索"和"(无)")获得一个单独的系列?