It's possible to group two datatables?
var cols =
[{"id":"ga:date","label":"date","type":"date"},{"id":"ga:sessions","label":"sessions","type":"number"},{"id":"ga:pageviews","label":"pageviews","type":"number"}];
var cols2 =
[{"id":"ga:date","label":"date","type":"date"},{"id":"ga:sessions","label":"sessions","type":"number"},{"id":"ga:pageviews","label":"pageviews","type":"number"}];
var rows= [
{"c":[{"v":"Date(2018, 07, 16)"},{"v":"149"},{"v":"559"}]},
{"c":[{"v":"Date(2018, 07, 17)"},{"v":"158"},{"v":"529"}]},
{"c":[{"v":"Date(2018, 07, 18)"},{"v":"110"},{"v":"404"}]},
{"c":[{"v":"Date(2018, 07, 19)"},{"v":"96"},{"v":"350"}]},
{"c":[{"v":"Date(2018, 07, 20)"},{"v":"242"},{"v":"883"}]}
];
var rows2= [
{"c":[{"v":"Date(2018, 08, 16)"},{"v":"119"},{"v":"229"}]},
{"c":[{"v":"Date(2018, 08, 17)"},{"v":"118"},{"v":"319"}]},
{"c":[{"v":"Date(2018, 08, 18)"},{"v":"110"},{"v":"414"}]},
{"c":[{"v":"Date(2018, 08, 19)"},{"v":"161"},{"v":"310"}]},
{"c":[{"v":"Date(2018, 08, 20)"},{"v":"212"},{"v":"813"}]}
];
var data = new google.visualization.DataTable({cols:cols,rows:rows});
var data2 = new google.visualization.DataTable({cols:cols2,rows:rows2});
var joinedData = google.visualization.data.join(data, data2, 'full',
[[0,0], [1,1], [2,2]], [1], [1]);
Here's a fiddle: https://jsfiddle.net/Tropicalista/94f8bmL0/16/
Il giorno martedì 25 febbraio 2014 11:20:12 UTC+1, KWeb ha scritto:
>
> I'm trying to create a line chart which has this current year's (or
> months) data and then to compare it to last year's (or months) data -
> similar to the functionality you have in Google Analytics where you can
> compare site traffic for this year against last year (see below screen shot)
>
>
> <https://lh6.googleusercontent.com/-LSmPkGdrgiE/UwxtwLLZAzI/AAAAAAAAAI0/Q4-gxTP6pwg/s1600/Chart.jpg>
> I can't seem to work out how to plot these 2 sets of data on the same
> chart because one would have dates from a different range to the other set.
>
> Any pointers/advice would be really appreciated.
>
> Thanks
>
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