David Waldron
All Stories

Watch COVID-19 Spread Across the United States

Animation shows changing geography of where COVID-19 cases are growing the fastest.

David Waldron
Jul 4, 2020

Indianapolis election results by precinct

Explore Indianapolis through six years of detailed election data.

David Waldron
Nov 23, 2019

Bartenders for Bernie? Small donors and the 2020 Democratic primary

Small donor data reveals how occupation relates to support for 2020 Democratic presidential candidates.

David Waldron
Sep 21, 2019

Who benefits from the electoral college?

America's strange electoral process creates vast disparities in the impact of votes for president.

David Waldron
Aug 11, 2019

Homeownership is declining among young adults

Homeownership rates can't tell the whole story of the decline in homeownership.

David Waldron
Jul 28, 2019

How the NFL's 2008 rule change affected coin toss strategy

Today, coin toss winners almost always choose to defer, but it took time for deferral to gain popularity in the years after it was introduced.

David Waldron
Jun 12, 2019

R Packages: dplyr vs data.table

Two R packages--dplyr and data.table--offer similar tools for data manipulation, but appeal to different users.

David Waldron
Nov 25, 2018

Early voting in Marion County — Update

After lawsuit, Marion County voters will have unprecedented access to early voting.

David Waldron
Oct 26, 2018

Popular unisex baby names in the United States from 1880 to 2017

A visual history of unisex names in the United States

David Waldron
Sep 14, 2018

Finding the shadiest spots in downtown Indianapolis

A new R package for ray tracing reveals the sunniest and shadiest locations in Indy's mile square.

David Waldron
Aug 16, 2018

Early voting in Marion County is difficult by design

A decade-long Republican scheme prevents Marion County voters from having the same access to early voting as suburban voters.

David Waldron
Jun 27, 2018

Snowfall animations for 2018 winter storms

Colorful animations of 2018's biggest winter snowstorms.

David Waldron
Apr 4, 2018

Medicaid work requirements could affect millions of disabled people

The Trump administration's new Medicaid policy does not protect all people with disabilities.

David Waldron
Jan 14, 2018

Does Indianapolis neglect potholes in poor neighborhoods?

A recent IndyStar article might have overstated the disparity in pothole services.

David Waldron
Dec 15, 2017

Baseball’s changing strike zone

The strike zone in the MLB rulebook hasn't changed since 1996, but technological advances have forced umpires to change anyway.

David Waldron
Oct 17, 2017

The geography of slavery in the United States

Interactive maps of the concentration of enslaved people from 1790 to 1860.

David Waldron
Sep 6, 2017

What do Americans think about Confederate statues?

Opinions on the potential removal and preservation of Confederate statues are influenced by how the question is framed.

David Waldron
Aug 24, 2017

Fatal injury rate by occupation

On-the-job fatalities have a variety of causes. Here are the top occupations for each cause of death.

David Waldron
Aug 2, 2017

When was Indianapolis built?

Matching building footprints shapefile published by IndyGIS to property tax assessment data for spring 2017 (via Renew Indianapolis) nicely captures the geographic variation of building age in Indianapolis.

David Waldron
Jul 29, 2017