Finding Disproportionate Outliers With DAX

Rob Collie uses DAX to find disproportionate sentiment on a per-group basis:

My wife loves to travel AND she loves data, so it’s no surprise that she showed me the infographic in question.

“Oh come on, California residents don’t visit the Philippines more often than any other country.”  That was my first reaction.  (Mexico is the overwhelming #1 destination, basically for every state… because Cancun.  And because there are so many Mexican-Americans).

“Ah…  but California residents DO visit the Philippines disproportionately more often than they ‘should,’ according to national averages!”  That was my dawning second realization (and confirmed by the fine print of the Orbitz article, even though the article’s title suggests otherwise.)

So, how do we do that in DAX?  Pretty simply, actually.

I’m mentally working out whether this could be useful in anomaly detection.

Related Posts

Linear Regression With Python In Power BI

Emanuele Meazzo builds a linear regression in Power BI using a Python visual: As a prerequisite, of course, you’ll need to have python installed in your machine, I recommend having an external IDE like Visual Studio Code to write your Python code as the PowerBI window offers zero assistance to coding. You can follow this article in […]

Read More

Replacing Bidirectional Filters with Visual Filters

Alberto Ferrari shows how you can replace bidirectional filters with visual filters in Power BI and improve visual quality: The noticeable thing about the behavior of the slicer is that the two matrices are showing only the brands and colors purchased by Amanda. Yet, the Color slicer is still showing all the colors, even though […]

Read More

Categories

February 2017
MTWTFSS
« Jan Mar »
 12345
6789101112
13141516171819
20212223242526
2728