We’ve spent some time looking at how to create spatial interaction models using PIVOT tables and spatial constructs in SQL.  The one last...

We recently looked at spatial interaction in the form of inverse distance weighting.  However, some spatial interaction matrices are...

Today I am cheating a little. In the last post, we created a symmetrical distance matrix using strict distances between 6 cities.  I...

Today I am at #delmarvagis. One of my other hats at Salisbury University is that of the Technical Director of the Eastern Shore Regional...

In my book Introduction to Statistical Problem Solving in Geography, we talk about relationships among geographic objects. These...

Every geographer knows Tobler’s Law.  Near things are more similar to things that are far away.  From this, we often begin our...

I wrote a paper in 2006 about using SQL for the Modifiable Area Unit Problem (MAUP).  The example was an agricultural experiment field,...

OK, I admit it, this post really isn’t about “spatial”.  It’s more about descriptive statistics, but I wanted to introduce the ability to...

In our last post, we looked at a simple random point distribution.As you recall from my book, a single random sample may in fact not be...

This post is part of a series entitled Spatial is not Special, where I will illustrate how spatial constructs in SQL provide us with a...

I love the Tabulate Area command in ArcGIS.  The ability to create a cross tabulation of two feature datasets is very cool.  SQL has...

I can’t help myself, once I get started writing SQL, I always go on tangents, because its so cool to try out new things.  In our last...

Lets take another break from my textbook, and focus on a classic GIS operation.  If you are like me, you learned GIS with ARC/INFO.  I...

In case you are getting tired of reading examples from my book (did I mention that I have a textbook you can buy from Amazon?), I thought...

This post is part of a series entitled Spatial is not Special, where I will illustrate how spatial constructs in SQL provide us with a...

Statistical Problem Solving in Geography Front Matter In addition to the Table of Contents, I’ve included the Preface in order to give...

This post is part of a series entitled Spatial is not Special, where I will illustrate how spatial constructs in SQL provide us with a...

Rob and Hillary wowing the crowd I am happy to announce that five of our students just took first place in an app development competition...

This post is part of a series entitled Spatial is not Special, where I will illustrate how spatial constructs in SQL provide us with a...

This post is part of a series entitled Spatial is not Special, where I will illustrate how spatial constructs in SQL provide us with a...