IAAO GIS/CAMA Conference Recap

I attended the GIS/CAMA Conference in Chattanooga, Tennessee, on March 7 and 8.  I attend these kinds of conferences fairly regularly because it has a technology focus.  Vendors have their new products on display, and I even saw demonstrations of a few new products so that I can stay […]

By |March 16th, 2017|Categories: Blog, News|Tags: , , |0 Comments

What is the most important part of a good GIS system?

The most important aspect of GIS is having good quality data (at least at Greenfield Advisors, that is). Whenever we start a new job, it is my job to do the groundwork on obtaining data. This responsibility falls on me because, as the GIS analyst, I know what goes […]

By |January 24th, 2013|Categories: Blog|Tags: , , |0 Comments

What are the elements of a GIS?

As I have discussed in previous posts, a geographic information system (GIS) enables us to capture, store, integrate, analyze, and display data from a geographic perspective. GIS includes the following elements:

Software, hardware, and data
Relative locations of features in x, y, and z coordinates (longitude, latitude, and elevation)
Relationships between features

You probably don’t […]

By |January 14th, 2013|Categories: Blog|Tags: , , |0 Comments

How do we use GIS at Greenfield Advisors?

As the GIS analyst here at Greenfield Advisors, I use GIS for a number of different tasks. (Refer to my previous post if you’d like to review what GIS is.) These tasks vary from job to job because we have a diverse workload. Greenfield Advisors specializes in complex real estate valuation, […]

What is GIS?

What is GIS? Frequently, when I’m out socializing and meeting new people, inevitably the discussion of professions will surface. Naturally, I tell them that I am a GIS analyst. This response is immediately followed up with the question, “what is GIS exactly?” As I try to explain it to […]

Dealing with Location in Statistical Pricing Models

Lord Harold Samuel, the founder of Land Securities, once quipped that three things in real estate matter: “Location, location, location.”[1] Since his famous declaration in the mid-1950s, these three words have become the mantra of the real estate industry. This should come as no surprise to even the most casual […]

How does GIS help with case study research?

At Greenfield Advisors, a large component of our background research is performed on similar cases in different areas of the country. For example, on a case involving contaminated properties, we would research other cases that had similar contamination; i.e., the type of contamination (e.g., petroleum products, metals, solvents), the […]

House Price Impacts of School District Choice

Prior studies indicate that school quality has a significant impact on house prices in surrounding neighborhoods. However, the mechanism for that impact is clouded in simultaneous equations complexity and causality issues. This study approaches the matter from the perspective of choice variables available to local school administrators and citizens. […]