Will Geary @wgeary Twitter profile

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Will Geary

@wgeary

6 years

America is the world's largest weapons exporter. I was curious to see what this looks like over time, so I mapped the flows of arms transfers leaving the U.S. from 1950 to 2017. The data comes from @SIPRIorg 's Arms Transfers Database. Full video here:

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Will Geary

@wgeary

2 years

New #dataviz : Visualizing U.S. 🇺🇸 Aid to Ukraine 🇺🇦 Link: #DataVisualization #Ukraine #UkraineRussiaWar #USA

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Will Geary

@wgeary

5 years

Regularly sized hexagons showing the distortions of the Mercator projection 🤯 #gischat

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Will Geary

@wgeary

6 years

The U.S. and Russia are the world's largest weapons dealers. I mapped the flows of arms exports leaving the U.S. and USSR/Russia from 1950 to 2017. Full video (with audio) available here:

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Will Geary

@wgeary

6 years

55 years of U.S. discretionary spending in 60 seconds

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Will Geary

@wgeary

4 years

Unpopular data science opinion: no body uses dashboards

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Will Geary

@wgeary

6 years

Driving vs. subway vs. bike, uptown Manhattan -> downtown. Made with

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Will Geary

@wgeary

4 years

This research suggests that the latest in-vehicle infotainment systems impair driver reaction times behind more than alcohol

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Will Geary

@wgeary

6 years

If neural networks were called "correlation machines" I bet there would be less confusion about their use and potential. Perhaps the historical AI boom-and-bust cycle is driven not only by the technology itself but by pompous naming techniques from researchers seeking funding.

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Will Geary

@wgeary

4 years

Nice tool for teaching / learning about map projections! #gischat

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Will Geary

@wgeary

5 years

|￣￣￣￣￣￣￣| | SQL | | IS MORE | | IMPORTANT | | THAN | | MACHINE | | LEARNING | | ＿＿＿＿＿____| (\__/) || (•ㅅ•) || / 　づ

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Will Geary

@wgeary

5 years

Happy #BikeToWorkDay ! Here's my commute options this morning from Harlem to Midtown NYC. Bike beats the car, and the ride through central park is beautiful! Made with my #wayfinder3d tool: #bikenyc

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Will Geary

@wgeary

1 year

New project: Visualizing U.S. Foreign Assistance The animation shows disbursements from the U.S. to top recipient countries since 2001. Each dot = $100K. #dataviz #foreignaid

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Will Geary

@wgeary

2 years

U.S. aid to Ukraine totals $68 billion, and in November the White House asked Congress for another $38 billion. This would bring the total amount appropriated for Ukraine to over $100 billion. Source: @CSIS

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Will Geary

@wgeary

8 years

The subway that never sleeps: 24 hours of subway activity in New York. Made with @ProcessingOrg & @Carto , data from @NYCTSubway & @MTA

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Will Geary

@wgeary

5 years

Data visualization for traffic flow studies peaked 100+ years ago... London traffic census in 1911, Paris transport passenger counts in 1889.

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Will Geary

@wgeary

7 years

I'm excited to share TransitFlow: visualize regional transit frequency from the command line! Here's Mexico City:

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Will Geary

@wgeary

6 years

In case twitter's compression destroys the video, here are stills from the end of each decade ('50s, '60s, '70s,'80s):

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Will Geary

@wgeary

2 years

@HoneyBadger88 1 dot = $100K

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Will Geary

@wgeary

1 year

Global building footprints dataset from Microsoft! #gischat

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Will Geary

@wgeary

3 years

The problem with heatmaps: they can make patterns visible even when, in reality, there are none. Spatial statistics can help: Local Moran's I can be used to test for significant clusters and outliers. #gischat #spatialstats #rstats #pysal

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Will Geary

@wgeary

5 years

It seems like a lot of transportation engineers need to be reminded that autonomous vehicles don’t solve the fundamental geometry problem that 3,000+ pound metal boxes are not space efficient modes for transporting individuals in densely populated areas.

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Will Geary

@wgeary

1 year

Another super cool package from @giswqs ! segment-geospatial: A Python package for segmenting geospatial data with the Segment Anything Model (SAM) #gischat

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Will Geary

@wgeary

6 years

More stills from the end of each decade ('80s, '90s, '00s, and 2017):

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Will Geary

@wgeary

6 years

Some next level pedestrian signage in Dublin

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Will Geary

@wgeary

5 years

This looks pretty cool: free and open source microscopic traffic simulator based on @openstreetmap data called SMARTS. Developed by the School of Computing and Information Systems at University of Melbourne #OSM #gischat

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Will Geary

@wgeary

5 years

I can’t imagine doing data science without the “geo”. Not just lat, lon but approaching problems spatially. I don’t understand why this is often viewed as a specialty rather than fundamental, or why many data scientists seem averse to working with spatial data.

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Will Geary

@wgeary

6 years

Elusive voronoi

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Will Geary

@wgeary

5 years

An unscientific race from midtown Manhattan to downtown Brooklyn, subway vs bike vs car. Subway and bike win! Made with #wayfinder3d #bikenyc

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Will Geary

@wgeary

4 years

People don't want charts, they want hand-crafted takeaways that help provide context and clarity to decision making

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Will Geary

@wgeary

6 years

I mapped the # of unauthorized immigrants apprehended by U.S. Border Patrol along the U.S.-Mexico border from 1960 through 2017. The notion that the U.S. is experiencing an immigration crisis is not supported by this data. Border apprehensions in 2017 were the lowest since 1971.

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Will Geary

@wgeary

6 years

Here is the direct link to the Arms Transfers Database from @SIPRI :

SIPRI Arms Transfers Database

The SIPRI Arms Transfers Database contains information on all transfers of major conventional arms from 1950 to the most recent full calendar year. It is a unique resource for researchers, policyma...

www.sipri.org

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Will Geary

@wgeary

2 years

Enjoyed leading a workshop on Python, spatial autocorrelation and other topics at @CARTO 's Spatial Data Science Bootcamp today! My notebook is available here: #gischat #python

CARTO

@CARTO

2 years

The #Spatial Data Science Bootcamp has landed in New York today! We're welcoming our team of experts for the second round of bootcamps, welcoming Daniel Sheenan ( @awscloud ), @wgeary ( @_GoRevel ), and Gabriel Hidalgo, Matt Forrest, @helenmakesmaps & Aaron Fraint from CARTO 🗽🌏

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Will Geary

@wgeary

4 years

Starting to think choropleth maps should be avoided for anything that isn’t actual land area. Their potential to mislead is extraordinary, as is their mental staying power (red/blue states). @kennethfield ‘s dot density election map is an excellent example alternative #gischat

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Will Geary

@wgeary

4 years

A crisp takeaway culled from thoughtful analysis designed collaboratively between the analyst and the stakeholder that is delivered as a bullet point in a slide deck has 10000x more staying power than the world's most powerful interactive dashboard

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Will Geary

@wgeary

6 years

@alext_ew @SIPRIorg Thank you! This was made with @ProcessingOrg and @tillnm 's wonderful library called Unfolding Maps

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Will Geary

@wgeary

6 years

Sketches, pseudocode, final outcome

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Will Geary

@wgeary

5 years

Those e-scooters are out of control!

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Will Geary

@wgeary

3 years

Interesting paper here extends the classic Moran’s I / LISA statistics to spatio-temporal data #gischat #spatialstats

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Will Geary

@wgeary

4 years

At @_GoRevel we've built a system to automatically detect illegal driving using GPS data, including wrong-way travel on one-way streets and entering parks or other prohibited zones. I believe we're the first mobility company to do anything like this. Any other examples of this?

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Will Geary

@wgeary

2 years

Very excited for another semester teaching Spatial Statistics at @PrattInstitute School of Information starting this week! 🎓 Course link: @prattischool #gischat #rstats

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Will Geary

@wgeary

4 years

Here's some formal academic research on the topics of zip codes and the modifiable areal unit problem: "On the use of ZIP codes and ZIP code tabulation areas (ZCTAs) for the spatial analysis of epidemiological data"

On the use of ZIP codes and ZIP code tabulation areas (ZCTAs) for the spatial analysis of epidemi...

While the use of spatially referenced data for the analysis of epidemiological data is growing, issues associated with selecting the appropriate geographic unit of analysis are also emerging. A...

www.ncbi.nlm.nih.gov

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Will Geary

@wgeary

6 years

from @ilyabo is pretty amazing. Zoom-dependent clustering, no code necessary, running from a google sheet 😮. Here's home-to-work flows within NYC per the 2015 census: #dataviz #gischat

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Will Geary

@wgeary

6 years

Beijing taxi flows 🚕 Data from @MSFTResearch Beijing taxi trajectory dataset: Made with #touchdesigner @1null1 #dataviz #china #beijing #transitflow #GIS

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Will Geary

@wgeary

3 years

The "h3fy" function tucked away in PySAL's tobler module is quite handy! Create an H3 hexagon grid covering a polygon at a specified resolution with just one line @pysal_devs #gischat

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Will Geary

@wgeary

6 years

Wow. My USA arms transfers map has received over *2 million views* across social media in just three days. I'm really glad that people found it useful. There are a number of nuances, problems and "cartographic conveniences" about this map that I will call out here (thread):

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Will Geary

@wgeary

2 years

New #dataviz : Are animal populations shrinking? I analyzed ~14k wildlife populations from @WWF 's Living Planet Index. Most are holding steady or show no significant trend. Some are ⬇️; a similar amount are ⬆️. Full video: #climatechange #biodiversity

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Will Geary

@wgeary

6 years

I’m no longer convinced that it’s possible to “derive insight from data”. Insight comes from dialogue and experience. The potential of data in my mind is to provoke or set the stage for dialogue, especially when it’s uncomfortable.

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Will Geary

@wgeary

7 years

Digging the pedestrian crosswalk signs in Oaxaca City, Mexico. They speed up as time decreases!

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Will Geary

@wgeary

2 years

The 69 Effect: users of any system will disproportionately input their birth year as 1969, skewing any analysis involving age & requiring data cleaning or imputation. Exhibit A: @CitiBikeNYC ridership by Year of Birth

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Will Geary

@wgeary

7 years

Some @DSI_Columbia students and I trained an LSTM recurrent neural network to predict taxi pickup demand at LaGuardia airport! Here's what the predictions vs actuals look like 🚕 #deeplearning #dataviz

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Will Geary

@wgeary

6 years

How to draw Metatron's Cube and the Five Platonic Solids. Made with code using @ProcessingOrg #geometry #geometricart

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Will Geary

@wgeary

3 years

Geography & "spatial thinking" is relevant to nearly every major problem currently facing people and planet: climate change, disease, energy, healthcare, housing, transportation, land use, etc. Why is geography as a field nearly non-existent in the US? #gischat #geography

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Will Geary

@wgeary

3 years

Spatial statistics should be considered fundamental, not a niche subfield. The classical "i.i.d." assumption presumes data samples to be independent of each other, but real-world data often violates this. Spatial models have been developed to address this issue. #gischat #rstats

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Will Geary

@wgeary

6 years

Total U.S. Federal Spending from 1962 through 2023 forecasts. The area of each pie is proportional to total spending amount so the two are directly comparable. #dataviz #generative

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Will Geary

@wgeary

2 years

This Geospatial Jobs newsletter by @hydroclimali is an excellent resource for anyone seeking opportunities in data science & geosciences #gischat

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Will Geary

@wgeary

4 years

Check out the stunning growth in @_GoRevel ridership in NYC over the past year! I'm super proud of how we have worked with communities to responsibly expand our service area, providing access to more neighborhoods and serving the mobility needs of more New Yorkers. 🛵 #beepbeep

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Will Geary

@wgeary

5 years

17 cyclists have been killed by motorists in NYC this year. Victims are often blamed for riding outside of the bike lane. But when lanes are obstructed, cyclists are forced to ride outside of them. I made a video to illustrate this. #bikenyc @TransAlt

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Will Geary

@wgeary

4 years

A Day in the Life of the NYC Subway 🚇 ♥️ My first ever map animation, made in 2016. Available as a #CleanNFT on @hicetnunc2000

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Will Geary

@wgeary

7 years

Work-in-progress subway delay visualization comparing real-time vehicle locations from @MTA to the schedule. Each dot represents an actual subway position, colored by lateness (red = more late). A bit buggy at the moment... realtime data is hard!

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Will Geary

@wgeary

4 years

love when non-GIS colleagues give feedback on relatively basic GIS work 🗺️🔮✨ #gischat

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Will Geary

@wgeary

4 years

Made an eco-friendly #NFT on @hicetnunc2000 ! Title: Hourglass Galaxies Link:

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Will Geary

@wgeary

3 years

What an amazing & free resource this is for spatial statistics: The Handbook of Spatial Analysis #gischat

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Will Geary

@wgeary

3 years

here's my #OBJKT4OBJKT contribution! Four pieces from my 'Recursion' series available to collect on @hicetnunc2000 #generativeart #CleanNFT #NFTCommunity #XTZ

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Will Geary

@wgeary

6 years

Would you like to see a similar map for another country? Feel free to let me know and support my work at:

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Will Geary

@wgeary

6 years

Here's the jupyter notebook I presented at #PyConGhana . It walks through wrangling GPS data and mapping it on an interactive 3D globe with @CesiumJS via the cesiumpy library. Link: Happy to answer questions! @PyconGhana @PyLadiesGhana #PyConGhana2018

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Will Geary

@wgeary

3 years

#tezos nearly doubled in the past month and hit a new all-time high. Lots of upside remaining IMO as folks become increasingly aware of the unnecessarily huge energy consumption of Proof of Work crypto. I'll try to shut up about it, but don't say I didn't warn you!

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Will Geary

@wgeary

5 years

Instead of vanity metrics for automobiles like “0-60 in under X seconds” we should be talking about Pedestrian Killing Capacity (PKC) = vehicle weight * top speed, # of Children in Blind Spot (CBS) and Glacial Melting Capacity (GMC)

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Will Geary

@wgeary

7 years

Multimodal Symphony: 24 Hours of Transit in New York City

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Will Geary

@wgeary

4 years

The garden of dashboards becomes overgrown, a once vibrant and beautiful patch of bar and pie charts begins to wilt. Interactivity remains un-interacted with.

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Will Geary

@wgeary

3 years

How I am just now learning that the cross section of a blade of grass contains microscopic smiley / screaming faces? 😃😱

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Will Geary

@wgeary

8 years

Visualizing one week of @Amtrak train activity #Processing #GIS

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Will Geary

@wgeary

5 years

I finally documented my projects over the past few years into a portfolio website. Each project has information about motivation and methodologies, and links to data and code where available. Here is the work in progress site:

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Will Geary

@wgeary

6 years

Here are still frames from the 1950s, 1960s, 1970s, 1980s:

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Will Geary

@wgeary

6 years

One day's worth of scheduled transit flows along the Boston-Washington Corridor. Full video here: #map #transportation #dataviz #transitflow

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Will Geary

@wgeary

5 years

I am 10,000x more excited about electric mopeds than stand-up kick-scooters tbh. They serve a wider base of trips and people, last much longer, go farther, live on the street not on sidewalks, require helmets, have a globally recognizable form-factor. #mobility #electricvehicle

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Will Geary

@wgeary

4 years

The analyst will go on to develop a mighty, interactive dashboard ecosystem where any query can be answered with little or no coding required. Execs can track high level metrics! PMs can answer their own questions! One problem: nobody wants to use dashboards

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Will Geary

@wgeary

4 years

In 2 weeks experimenting with NFTs on @hicetnunc2000 : ☐ Made >$1,000 selling my art 💵 ☐ Discovered a ton of new artists that I love ✨ ☐ Collected a bunch of pieces at accessible prices 🖼️ ☐ Made some new internet friends 💗 ☐ Renewed inspiration to keeping making art 💪

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Will Geary

@wgeary

2 years

Non-GIS colleagues when you do a simple spatial join 🙌 #gischat

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Will Geary

@wgeary

5 years

Experimenting with @bingmaps Isochrone API. Distance reachable by car in 30 minutes over the course of a Monday:

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Will Geary

@wgeary

7 years

Made a little app for comparing estimated travel times and routes in 3D! Check it out here: . Built with Python, @CesiumJS and @GoogleMapsAPI #dataviz #opensource

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Will Geary

@wgeary

6 years

PyCon Ghana. Wow, this was fun. Had a blast talking about maps and geographic data, and learning about a wide variety of other topics! Exciting to meet so many bright young python programmers. @PyLadiesGhana @djangogirls @ThePSF @PyconGhana are doing great work! #pyconghana

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Will Geary

@wgeary

6 years

Here's the same showing discretionary vs mandatory spending side by side

U.S. Federal Government Spending

U.S. Federal Government Outlays (discretionary and mandatory) from 1962 through 2023 forecasted. The area of each pie is proportional to total spending amount so…

vimeo.com

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Will Geary

@wgeary

6 years

Here are still frames from the 1980s, 1990s, 2000s, and 2010-2017:

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Will Geary

@wgeary

5 years

Looking forward to presenting #transitflow today at @TRBVIS @NASEMTRB symposium. This started as a passion project and I’m grateful for the opportunity I had at @mapzen to take it further. Here’s scheduled transit in DC on a Monday morning (2017) #dataviz

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Will Geary

@wgeary

4 years

The problem is that it's usually not possible to generate meaningful insight simply by looking at line charts in a dashboard, regardless of how much interactivity the analyst jams in. Even if it were, people simply don't want to spend their time clicking around on dashboards.

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Will Geary

@wgeary

5 years

Thanks to @NiphadkarNeha for updating #transitflow to be compatible with Python 3! Love #opensource when people make improvements to your projects. Here's today's scheduled transit flows in Cleveland area, made with TransitFlow running Python 3.7:

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Will Geary

@wgeary

5 years

Visualizing U.S. foreign aid to Israel, 1949 through 2017. Each dot represents $1 million in current (non inflation-adjusted) dollars. Note how economic aid is turned off after 2007 while military aid continues to grow. More info here: #dataviz #israel

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Will Geary

@wgeary

6 years

I'll have the joy of introducing hundreds of high school students to creative coding and data visualization at NYC CS Fair next week. I made this golden spiral generator with @p5xjs so they can tinker with the code and get visual feedback #generativeart

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Will Geary

@wgeary

4 years

Here's an example of how choropleth maps displaying raw counts can be misleading. There are more COVID-19 cases to date in the five zip codes comprising the Upper East Side than there are in the single large zip code comprising Flatlands to Bergen Beach neighborhoods. #gischat

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Will Geary

@wgeary

6 years

@mspjmason @ByronicMac @MarkSleboda1 @SIPRIorg Top 10 countries by weapons exports:

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Will Geary

@wgeary

3 years

A clear and concise example of modifiable areal unit problem (MAUP), and other spatial pitfalls to avoid

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Will Geary

@wgeary

6 years

The data comes from @SIPRIorg 's Arms Transfers Database, which is freely available for download here: . The database covers major, conventional weapons and war products. The database does *not* cover small guns or drones.

SIPRI Arms Transfers Database

The SIPRI Arms Transfers Database contains information on all transfers of major conventional arms from 1950 to the most recent full calendar year. It is a unique resource for researchers, policyma...

www.sipri.org

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Will Geary

@wgeary

3 years

@BrilliantMaps Thanks for sharing. Looks like somebody sped up the video. Here is the original:

Arms Sales: USA vs Russia

U.S. and USSR/Russian arms sales from 1950 through 2017. The underlying data comes from the Stockholm International Peace Research Institute's Arms Transfers…

vimeo.com

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Will Geary

@wgeary

5 years

Faneuil Hall in Boston to Porter Square in Cambridge, transit vs bike vs car departing at 9:37am on Monday. Without factoring in parking time, it's a virtual tie with all modes finishing within ~5 mins of each other. Made with #wayfinder3d #EarthDay

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Will Geary

@wgeary

5 years

This is cool to see: @NREL built a visualization for their shared electric vehicle simulator using code from my #transitflow project (with permission) and #opensource tools @ProcessingOrg and Unfolding Maps by @tillnm . I really like the dashboard layout!

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Will Geary

@wgeary

3 years

Why would anybody pay a vendor for US Census data when it can be downloaded easily for free in seconds, thanks to @kyle_e_walker 's amazing tidycensus library 🙏 #rstats #gischat

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Will Geary

@wgeary

5 years

Alternative names for machine learning / deep learning / AI: * Non-linear regression * Correlation machines * Shallow learning * Non-casual inference * Function approximators * Computational turks

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Will Geary

@wgeary

5 years

Hourglass galaxies ⏳💫 Inspired by and based off the excellent work of @yuruyurau Made with #processing #generativedesign

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Will Geary

@wgeary

5 years

Life lessons from riding a bicycle

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