Posts
Posts and notes.
Visualizing Flows with libpysal and lonboard
July 25, 2024
You are looking for this page. I need to redo my website
Urban Simulation: Models, Modells, and Twins
July 2, 2024
You are looking for this page . I need to redo my website
PySAL Turns 2.2
February 13, 2020
tl; dr: We released PySAL 2.2 into the wild with a brand new (but backwards compatible) structure and it’s pretty great One [meta]package to Rule Them All A year ago, we released PySAL 2.0, which was a major refactor for the library that broke it apart from a single monolithic package into several smaller, more focused …
Measuring Urban Segregation with Spatial Computation
June 1, 2019
A brief tour of segregation dynamics in American cities, by way of PySAL’s new(ish) segregation package tl;dr: segregation calculates over 40 different segregation indices, including state-of-the-art measures that incorporate local street networks it can simulate null distributions using a variety of techniques to test …
Neighborhood Opportunity Types in R
May 1, 2015
5/31/2017 Neighborhood Opportunity, Spatial Data Science, and Equitable Urban PolicyThis notebook walks through the creation of neighborhood typologies using R. In the parlance of geography and spatial analysis, this is known as geodemographic analysis. In our case, we’ll be developing typologies that can be used to …
Sandtown and Spatial Mismatch
April 1, 2015
For the past few days I’ve been having a lively twitter debate with my friend and colleague Seema Iyer of the Baltimore Neighborhood Indicators Alliance (BNIA). We’ve been arguing about the spatial mismatch hypothesis and whether it’s to blame for the hardship suffered by residents of Sandtown-Winchester, Freddie …
Assisted Housing & Spatial Opportunity
March 1, 2015
A few weeks ago I gave an interview for a Baltimore Sun article, published yesterday, about Baltimore's geography of opportunity and housing policies designed to help level the playing field (this is my dissertation topic). After Chetty, the spatial structure of opportunity became a topic of a public interest, and …
MD Accessibility Maps
January 1, 2014
Walk Access The Walk Accessibility map gives an accessibility score to each census tract in the state. The score is computed as a distance-weighted sum of total jobs or households (toggle between job and labor accessibility using the layer switcher in the top right corner) that can be reached in a 30 minute walk. This …