Spatial Analysis by Quartile Partitioning
Today almost every data set in practice has got geographical attributes.
In this post, I would like to discuss a way to analyse geography-based data set by quartile partitioning. That is, we partition the data set into 4 equal-size groups on contiguous area.
US Mass Shootings 2013-2015: Geo and Temporal Distributions
US mass shootings have been a society problem for quite some years. Gun violence is a problem that is particular in the US where we have the best of technology and thinkers, but we don't know what to do with the guns.
Here is an effort to understand the distribution of mass shooting incidents.
The Order of Operations Diagram: Update on 12/10/2015
I thought that dimension filtering and data blending are logically permutable. So that's how I drew the last diagram for the order of operations.
Zen Master Jonathan Drummey pointed out that the actual queries for dimension filtering take place before data blending.
The Order of Operations within Dimension and Set Filters
We have worked to understand the order of operations in Tableau at a high level.
Actually there are also filtering operations at a lower level. Here we are going to have a look into the order of operations within either of dimension filter and set filter.
