March 2019
Beginner
504 pages
11h 17m
English
Content preview from Learning Tableau 2019 - Third Edition
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An example of leveraging data densification
Beyond simple examples of showing empty rows or missing dates, there are cases where you can use data densification to solve problems or get around limitations of the data that would be very difficult otherwise.
Consider, for example, if you had data that indicated dates when certain generators were turned on or off, such as the following, for example:
|
Generator |
Date |
Action |
|
A |
1/13/2017 |
On |
|
B |
1/22/2017 |
On |
|
C |
1/25/2017 |
On |
|
D |
1/25/2017 |
On |
|
B |
1/27/2017 |
Off |
|
E |
1/29/2017 |
On |
|
A |
1/30/2017 |
Off |
|
C |
1/30/2017 |
Off |
What if you wanted a visualization that showed how many generators were On for any given date? The challenge is that the dataset ...
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