data visualization


Spatial Analysis

Alaska migration. Data: US Census, 2012. Graphic: Chris Walker.

Visualizing American Migration Without a Map

As a cartographer, the display of spatial information is of great interest to me.  I’ve been particularly intrigued by analysts who are able to convey complex geographic information without resorting to a map.  Previously, I had done a round of some of the methods in the article, “Spatial Unmapped.” Chris […]

GIS Software

Weave – Open Source Data Visualization

Weave – Open Source Data Visualization

Weave is an open source offering from the Open Indicators Consortium.  OIC is a collaboration with the Institute for Visualization and Perception Research (IVPR) at the University of Massachusetts Lowell and counts membership from a range of local, regional, state, and federal government agencies and nonprofits. Weave takes its name from the software description: […]

GIS Data

Mapping Air Pollution

Mapping Air Pollution

Pulling real time data from the city government of Madrid, Into the Air is a project led by Nerea Calvillo (along with a team of architectural students, anthropologists, and designers) to map out air pollutants over the Spanish city.  The project was originally developed at Visualizar’08, an annual workshop/seminar that focused that year’s […]

GIS Software

Making Maps with R

Making Maps with R

R language is a commonly used programming language and open source software that can be utilized by statisticians for statistical and data analysis.  Licensed under GNU, R can be downloaded and installed on Linux, MacOS, and Windows platforms.  More about what R is here. R can also be used for […]