Javascript 如何使用交叉过滤器生成数据透视表?
可以使用生成“透视表” 我们要分组的列必须是动态的。 在下面的示例中,我们按“类型”和“提示”列进行分组 数据输入示例:Javascript 如何使用交叉过滤器生成数据透视表?,javascript,pivot-table,crossfilter,Javascript,Pivot Table,Crossfilter,可以使用生成“透视表” 我们要分组的列必须是动态的。 在下面的示例中,我们按“类型”和“提示”列进行分组 数据输入示例: var payments = crossfilter([ {date: "2011-11-14T16:17:54Z", quantity: 2, total: 190, tip: 100, type: "tab"}, {date: "2011-11-14T16:20:19Z", quantity: 2, total: 190, tip: 100, type:
var payments = crossfilter([
{date: "2011-11-14T16:17:54Z", quantity: 2, total: 190, tip: 100, type: "tab"},
{date: "2011-11-14T16:20:19Z", quantity: 2, total: 190, tip: 100, type: "tab"},
{date: "2011-11-14T16:28:54Z", quantity: 1, total: 300, tip: 200, type: "visa"},
{date: "2011-11-14T16:30:43Z", quantity: 2, total: 90, tip: 0, type: "tab"},
{date: "2011-11-14T16:48:46Z", quantity: 2, total: 90, tip: 0, type: "tab"},
{date: "2011-11-14T16:53:41Z", quantity: 2, total: 90, tip: 0, type: "tab"},
{date: "2011-11-14T16:54:06Z", quantity: 1, total: 100, tip: 0, type: "cash"},
{date: "2011-11-14T16:58:03Z", quantity: 2, total: 90, tip: 0, type: "tab"},
{date: "2011-11-14T17:07:21Z", quantity: 2, total: 90, tip: 0, type: "tab"},
{date: "2011-11-14T17:22:59Z", quantity: 2, total: 90, tip: 0, type: "tab"},
{date: "2011-11-14T17:25:45Z", quantity: 2, total: 200, tip: 0, type: "cash"},
{date: "2011-11-14T17:29:52Z", quantity: 1, total: 200, tip: 100, type: "visa"}
]);
输出:
Type | Tip | Total
------------------
tab | 0 | 540 $
| 100 | 380 $
| 200 | 0 $
------------------
cash | 0 | 300 $
| 100 | 0 $
| 200 | 0 $
------------------
visa | 0 | 0 $
| 100 | 200 $
| 200 | 300 $
------------------