0:00In Tableau 2019.2 Tableau have added the
0:05ability to customize a reference line in
0:07tooltips.
0:09So let's have a go at doing that.
0:10Let me just name this sheet.
0:11It's always good to get into a habit of
0:13doing that.
0:13So reference line tooltips.
0:17Great.
0:18So I'm going to drag product name onto
0:22detail, sales onto rows, profit onto
0:26columns.
0:27Then I'm going to rotate that 90 degrees
0:30just by hitting that icon here at the top.
0:33The next thing I'm going to do is I'm going
0:35to add a reference line.
0:36So let's add reference line by right
0:38clicking on the profit axis.
0:41And what I'd like to do is add the average.
0:43And if I hit OK, you can see that the
0:46average pops up.
0:47And so what I'd like to do is not only
0:48customize the label here, where it says
0:50average, but
0:51you see this tooltip that kind of sticks
0:53with the mouse cursor.
0:54I'd like that to be customized.
0:56Instead of equals, I'd like to add layer,
0:59maybe a semicolon or a colon.
1:01So let's right click on that reference line
1:02and hit edit.
1:03When I do that, this interface pops back up
1:07.
1:07And what Tableau have done is they've
1:09actually added this new option here where
1:10it says tooltip.
1:11So let's have a go at doing that.
1:13Let's add custom.
1:15Maybe I have a star guide that dictates how
1:18tooltips should be labeled.
1:21And you can actually add dynamic values
1:23from your visualization.
1:24So computed values can actually go in here
1:26as well.
1:27And you can add other things.
1:29So I could say average and then the field
1:33name and then the value and click OK.
1:37So it says average over there.
1:38But now when I hover over this, it says
1:41average profit 150.
1:44And so in exactly the same way as we've
1:46always been able to edit the label, maybe
1:50the label
1:50can just be the value to keep it nice and
1:52clean.
1:53And when the user hovers over it, they
1:54actually get the full description of what's
1:55going on.
1:58This is a really, really powerful feature.
2:00I think we've asked for this for a long,
2:02long, long time.
2:03And it's great that it's finally here.
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Tableau | Data visualisation