Kerry Rodden @kerryrodden Twitter profile

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Kerry Rodden

3 years

This animation and visualization is from a new Social Safety Net project I worked on at @codeforamerica , “Navigating Compounded Hardships in a Pandemic”: (led by @ericgiannella ) 🧵 1/10

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Kerry Rodden

@kerryrodden

3 years

New @observablehq notebook: why you might (or might not) want to use a radial visualization for hierarchical, time series, or categorical data. With some animations between radial and non-radial versions of the same chart, like a sunburst to an icicle:

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Kerry Rodden

@kerryrodden

4 years

Only 14 paths left, now that Michigan has been called...

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Kerry Rodden

@kerryrodden

6 years

Working on a visualization of how ranked-choice voting has affected the election for mayor of SF. Currently, @LondonBreed has a narrow lead over @MarkLeno , with thousands of votes still to be counted! 🍿 #SFMayor #RCV

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Kerry Rodden

@kerryrodden

8 years

Day 2 of #d3unconf - so happy to have sequences sunburst on a lenticular badge! Thank you @enjalot @metis @gifpop :)

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Kerry Rodden

@kerryrodden

4 years

Now that New Hampshire has been called for Biden, I've updated the default settings of the visualization to reflect that (deactivating the paths that are no longer possible).

Andy Cotgreave

@acotgreave

4 years

Honorable mention to @kerryrodden 's amazing radial decision tree. Con: On first look I thought "uh-oh, pointless radial chart" Pro: Post-interaction I thought: "Wow - this is so, so, good." (10/11)

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Kerry Rodden

@kerryrodden

5 years

One of my favourite freelance projects so far: helping @dustinbpalmer and the team at @codeforamerica to figure out how to visualize online availability (and integration) of benefits in each state.

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Kerry Rodden

@kerryrodden

4 years

My first time making a map in @observablehq , visualizing addition and removal of USPS collection boxes (dataset by @iandees ): Unexpected finding: many of the removed boxes are from communities that have been evacuated due to fires 😞

USPS collection box changes

(since August 15, 2020) Data: https://github.com/iandees/usps-collection-boxes Last checked: On some days there are large numbers of apparent removals or additions, usually in geographic clusters,...

observablehq.com

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Kerry Rodden

@kerryrodden

3 years

New radial visualization example, this time for matrix data, using D3's scaleRadial to create segments of equal area: The original visualization (by @fcage ) is a beloved piece of data journalism for me; I hope I did it justice here!

Equal-Area Radial Matrix of LGBT Rights

In Why use a radial data visualization?, I wrote about some of the pros and cons of choosing a radial layout for time series, categorical, or hierarchical data. I left out matrix/heatmap data,...

observablehq.com

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Kerry Rodden

@kerryrodden

5 years

I've been playing with using Perlin noise to distort the pixels in an image, and the results turned out to be much more interesting than I expected. I made a notebook with @observablehq so you can play with it too.

Image distortion with Perlin noise

Perlin noise is used to help generate natural-looking textures and terrains for movies and games, and I was curious about what would happen if I used it to distort an existing image. The approach I...

observablehq.com

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Kerry Rodden

@kerryrodden

7 years

"Is that a boy or a girl?" Just published this on using machine learning to study gender expression. #LWTSUMMIT

Is that a boy or a girl?

Exploring a neural network’s construction of gender

medium.com

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Kerry Rodden

@kerryrodden

4 years

Here's a new rewrite of my #d3js sequences sunburst visualization, using @observablehq . With Observable's file attachments feature, hopefully it should be even easier to reuse the visualization with your own data!

Sequences Sunburst

This example shows how it is possible to use a sunburst visualization with data that describes sequences of events. Hover over the segments to see the corresponding sequences. A good use case is to...

observablehq.com

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Kerry Rodden

@kerryrodden

4 years

UX researchers! If you're interested in data visualization or developer tools, take a look at @observablehq . We're a small company, hiring our first UXR (based in SF). I'm a developer there, but a former UXR - so I know it's an especially good opportunity.

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Kerry Rodden

@kerryrodden

4 years

With the margin in Georgia now at about 4,000 votes, I'm thinking about the ~60,000 people represented in this analysis I did, of early voting wait times in Gwinnett County, and about the poll workers who counted (and will now recount) all of their votes 🙏

Observable

@observablehq

4 years

Newly published data visualization on early voting wait times in Gwinnett County, Georgia

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Kerry Rodden

@kerryrodden

4 years

I just published this new election visualization at @observablehq – continuing my penchant for using a radial layout to fit as much data on the screen as possible 🤯

Observable

@observablehq

4 years

🗳 Nobody knows what the outcome of the presidential election will be — but with a radial dendrogram you can try to visualize all the possibilities at once: 👀 #dataviz #Election2020 #DataVisualization

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Kerry Rodden

@kerryrodden

8 years

Bay area coders, designers, researchers, writers, leaders: join me next weekend at the SF for Hillary Hackathon:

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Kerry Rodden

@kerryrodden

5 years

I wrote a short introduction to text analysis using TF-IDF. It's a relatively simple but effective technique, and I don't think it is taught very widely. I'd love feedback, especially if you're unfamiliar with the topic:

Introduction to text analysis with TF-IDF

Earlier this year, the New York Times published an "Overlooked no more" belated obituary of Karen Spärck Jones, who invented the concept of Inverse Document Frequency in 1972. This is now best known...

observablehq.com

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Kerry Rodden

@kerryrodden

5 years

Some really exciting opportunities (including a UX researcher position) at Observable in San Francisco! Bodes well when a company this small wants to hire a UX researcher 👏

Observable

@observablehq

5 years

We're Hiring! We are looking for people who are compassionate advocates for developers and have the audacity to tackle some of development’s greatest challenges. Looking for developer advocates, designers, researchers, and developers in our SF office.

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Kerry Rodden

@kerryrodden

6 years

New #d3js block: dynamic labeling / annotation of the circles in a motion chart. The labeled items are selected based on their amount of movement in a time window.

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Kerry Rodden

@kerryrodden

11 years

Posted my first #d3js example: using a sunburst to compare relative frequencies of sequences, e.g. website navigation http://t.co/sVibinPcQg

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Kerry Rodden

@kerryrodden

6 years

A sign that you've been doing data visualization for too long... your brain interprets these numbers as the x-axis of a time series.

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Kerry Rodden

@kerryrodden

2 years

I wrote the first job ad for a Quantitative UX Researcher, in 2006. I'll be talking about that, and the origins of the role, in the opening keynote at the first-ever (and virtual) Quant UX Con on Wednesday June 8. Registration is free, but closes today:

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Kerry Rodden

@kerryrodden

10 years

Wish I could hire @dtelepathy to explain everything I write! Here's their take on HEART and Goals/Signals/Metrics: http://t.co/oOTMo90wEN

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Kerry Rodden

@kerryrodden

3 years

The animations are based on this example by @veltman that I've been waiting several years for a good opportunity to reuse 🎉

Sunburst to icicle #2

Sunburst to icicle #2. GitHub Gist: instantly share code, notes, and snippets.

gist.github.com

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Kerry Rodden

@kerryrodden

6 years

Results of the June 5 election for #SFMayor are now final, so I've updated this visualization. It emphasizes the transfers that happen using ranked-choice voting. Made with #d3js . Online at

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Kerry Rodden

@kerryrodden

13 years

Data science lesson learned, by @hmason at #strataconf : Clean Data is better than More Data is better than Fancy Math.

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Kerry Rodden

@kerryrodden

9 years

Nice mention of the sequences sunburst visualization I made at YouTube - with example showing real internal data! http://t.co/RjHSJC9bvl

To Take On HBO And Netflix, YouTube Had To Rewire Itself - Fast Company

To become a "destination" and keep mobile viewers hooked, YouTube realized it had to fix itself, from its development platform to its AI.

www.fastcompany.com

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Kerry Rodden

@kerryrodden

8 years

New morning routine: my 3yo asks "what will you do at work today?", I tell him, he listens, and then adds, sagely: "don't forget rainbows".

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Kerry Rodden

@kerryrodden

7 years

Updated my sequences sunburst block so that it works correctly with D3 v4 #d3js

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Kerry Rodden

@kerryrodden

1 month

@elizlaraki Thank you for the generous and thoughtful write-up, @elizlaraki ! That project changed the course of my career, and I really enjoyed revisiting the creative and organizational challenges with you.

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Kerry Rodden

@kerryrodden

3 years

I don’t know if the design choices we made were the right ones, but I’m documenting them here because I hope it’ll be useful to others facing similar design challenges. I’m curious to hear what you think, and I also hope you’ll read some of the stories ❤️ 10/10

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Kerry Rodden

@kerryrodden

4 years

I've now updated the underlying data for the visualization to reflect all of the states called so far tonight — and I've added Michigan as one of the states whose outcome you can choose (it was originally assumed Biden from pre-election forecasts)

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Kerry Rodden

@kerryrodden

8 years

Great story in here of how the government discovered the value of UX research.

Steven Levy

@StevenLevy

8 years

Report from inside Pentagon and VA as Obama's "tech surge" tries to transform gov IT.

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Kerry Rodden

@kerryrodden

3 years

The post itself is a follow-up to my Electoral College decision tree notebook (), and was inspired by some thoughtful feedback on that visualization from @acotgreave 🙏

Electoral College Decision Tree

Inspired by the 2012 classic 512 Paths to the White House by Shan Carter and Mike Bostock. Hover over the graphic to explore different possible outcomes of the 2020 US Presidential Election, depend...

observablehq.com

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Kerry Rodden

@kerryrodden

8 years

Keynote at #openvisconf - @viegasf and @wattenberg visualizing what a neural network is learning (hi @shancarter )

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Kerry Rodden

@kerryrodden

7 years

Good illustration of why high user engagement is not the same thing as high user happiness.

William Pietri

@williampietri

7 years

Anybody chasing a User Active Minutes metric should spend time with this chart. It's a trap!

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Kerry Rodden

@kerryrodden

6 years

@stamen Hans Rosling would be proud.

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Kerry Rodden

@kerryrodden

6 years

I only just noticed that @codeforamerica is hiring a User Researcher (and a Design Manager) in San Francisco - what a great opportunity!

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Kerry Rodden

@kerryrodden

2 years

🎃🤯

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Kerry Rodden

@kerryrodden

6 years

Seems like a dream interdisciplinary research job: data visualizations *and* ML *and* user studies!

Enrico Bertini

@FILWD

6 years

Job post: we are looking for a postdoctoral associate to join our lab at @nyutandon to do research in *visualization for machine learning*. You can find details here: | Feel free to DM me for more info and apply!

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Kerry Rodden

@kerryrodden

6 years

Another update with Tuesday's data, and first cut at an interactive version: #SFMayor #RCV #d3js

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Kerry Rodden

@kerryrodden

7 years

“User Experience Engineering” — @enjalot

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Kerry Rodden

@kerryrodden

13 years

Slides from nice #strataconf talk by @Dustin_Kirk on UX best practices for big data apps - http://t.co/RN23bM3

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Kerry Rodden

@kerryrodden

5 years

Published a little tool on @observablehq , making it easier to use your own data in a bar chart that animates between stacked and grouped forms. This is especially useful when presenting, to explain different aspects of the data.

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Kerry Rodden

@kerryrodden

10 years

Posted a new #d3js block, combining 2 of @mbostock 's sunburst examples so that you can both zoom and change data: http://t.co/cFqV8qcJCo

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Kerry Rodden

@kerryrodden

8 years

Goodhart's law, for anyone working with metrics: "When a measure becomes a target, it ceases to be a good measure."

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Kerry Rodden

@kerryrodden

6 years

One year fellowship in SF for an experienced UX person who wants to help the community. Strong UX research element, plus prototyping 👇

Carrie Bishop

@carriebish

6 years

Are you an experienced designer living in San Francisco who wants to do something about homelessness? Here's your chance:

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Kerry Rodden

@kerryrodden

11 years

I made the visualization in this video - how Gangnam Style dominated YouTube's top queries this year:

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Kerry Rodden

@kerryrodden

7 years

Dabbling with machine learning: "Is that a boy or a girl? Exploring a neural network's construction of gender"

Is that a boy or a girl?

Exploring a neural network’s construction of gender

medium.com

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Kerry Rodden

@kerryrodden

7 years

Researcher @hannawallach writes a letter to her 14-year-old self, telling her about the value of a growth mindset. And being a badass.

Microsoft New York

@MicrosoftNY

7 years

Celebrating #WomensHistoryMonth with #WomenInTech — A Letter to Hanna Wallach (From @hannawallach , @MSFTResearch ):

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Kerry Rodden

@kerryrodden

5 years

It contains this 3D line chart 😱, which I had totally forgotten, and which I guess made it through the peer review process without any objections. Proof that the field has made some advances in 20 years 😎

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Kerry Rodden

@kerryrodden

7 years

Captured in 36pt Bodoni, in an intro to letterpress class at the lovely @SFCB .

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Kerry Rodden

@kerryrodden

7 years

First time I've ever seen "User Researcher" at the top of a long list of tech jobs 👏

Cyd Harrell

@cydharrell

7 years

Californians!! Your state needs you, and is ready to put your design & tech skills to work.

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Kerry Rodden

@kerryrodden

6 years

Updated to reflect the latest count from today, with a slightly increased lead for @LondonBreed over @MarkLeno . #SFMayor #RCV

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Kerry Rodden

@kerryrodden

8 years

Nice case study of design process at a healthcare startup, with HEART framework included: (by @wendywowie )

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Kerry Rodden

@kerryrodden

3 years

The dataset consists of real stories of people applying for SNAP (food stamps) in California. Reading them is humbling, inspiring, and often heartbreaking. The site uses the stories to try to deepen our understanding of what it’s like to experience severe hardship. 2/10

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Kerry Rodden

@kerryrodden

5 years

The dataset had been carefully collected by the team over time, and it was clearly a labour of love for them. It was an honour to have the opportunity to help visualize the results.

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Kerry Rodden

@kerryrodden

3 years

A key thing I learned after joining @codeforamerica : many people feel ashamed for needing a safety net, even though its whole purpose is to help them through these hardships. Reading stories like this, it’s clear: applying for benefits is exactly what they should be doing. 3/10

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Kerry Rodden

@kerryrodden

5 years

The glyphs represent, for each state, the availability of an online application for each of the 5 benefits (SNAP, Medicaid, TANF, WIC, LIHEAP) *and* which of them have been integrated, enabling people to apply for more than one at a time.

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Kerry Rodden

@kerryrodden

8 years

I'll be talking about the sequences sunburst visualization as part of this data science event in SF on April 13.

Karen Church

@karenchurch

8 years

Talks & bios added to our upcoming @intercom analytics meetup. Check out the great line-up & come along on April 13!

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Kerry Rodden

@kerryrodden

11 years

We're hiring a 2nd quant UX researcher at YouTube. Analyze large-scale usage data to inform product design. Pls RT!

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Kerry Rodden

@kerryrodden

7 years

Opportunity for people in the crossover between UX research and data 👇

Phil Vander Broek

@philvb

7 years

Looking for a Sr / Principal UX Researcher to join us at Trifacta! Help us design the next generation of data tools.

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Kerry Rodden

@kerryrodden

3 years

There were a lot of difficult design challenges in creating the visualization, and a highlight of the project for me was collaborating with @JulieSeaSuth and @fritzjooste on these. I’ll summarize a few here. 5/10

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Kerry Rodden

@kerryrodden

5 years

New life goal: someday make a data visualization as beautiful as this 😍 (from )

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Kerry Rodden

@kerryrodden

5 years

And thanks to my friends at @recursecenter for the encouragement to work on this!

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Kerry Rodden

@kerryrodden

8 years

Happy 5th birthday d3.js! Congratulations @mbostock and thank you for enabling us all to learn by example! #d3js

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Kerry Rodden

@kerryrodden

13 years

Gmail label dropdown and select-all control: best practices in designing for search and filter over many items #strataconf (cc @leggett )

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Kerry Rodden

@kerryrodden

12 years

Behind the scenes of the Obama data team and the impact they had on the campaign: http://t.co/wQoSj82W

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Kerry Rodden

@kerryrodden

6 years

“It brings teams of all sizes and types together: visioning gives everyone from engineers, marketers, analysts, researchers and content strategists a way to participate in the design process.” — @joshsassoon

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Kerry Rodden

@kerryrodden

7 years

@xSjaapie Hi Danielle! You don't need a PhD to work in UX in industry - experience helps more. Only do one if you are excited about academic research.

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Kerry Rodden

@kerryrodden

5 years

The other day I came across the PDF of a conference paper I wrote almost exactly 20 years ago, "Evaluating a Visualisation of Image Similarity as a Tool for Image Browsing", from InfoVis'99:

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Kerry Rodden

@kerryrodden

8 years

Nice shout-out for free statistics textbook by @OpenIntroOrg by @AmeliaMN at #openvisconf

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Kerry Rodden

@kerryrodden

6 years

@Frankly_Data thank you!

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Kerry Rodden

@kerryrodden

9 years

@tubematter Thanks! Looking at http://t.co/1xulh0uovR (different data, same UI) might help understand. Search = YT search, watch = video.

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Kerry Rodden

@kerryrodden

7 years

Congratulations! Excited that I can use this again!

Fernanda Viégas

@viegasf

7 years

Our group open sourced Facets: tools to debug your data before debugging your machine learning model

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Kerry Rodden

@kerryrodden

3 years

@crb0307 @mbostock @observablehq You're very welcome! I'm assuming it's an internal project but if there's anything you can share, I'd love to see.

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Kerry Rodden

@kerryrodden

7 years

@timelyportfolio @veltman Could you flubber a sunburst into an icicle and vice versa? I've always wanted to try that.

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Kerry Rodden

@kerryrodden

8 years

@micahstubbs Nice! I haven't explored ES2015 yet so this is very cool. Not sure about the pastels, though - harder to see the highlighting.

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Kerry Rodden

@kerryrodden

7 years

Good to see more focus on the ethics of using AI for gender classification:

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Kerry Rodden

@kerryrodden

8 years

Nice work @timelyportfolio !

timelyportfolio

@timelyportfolio

8 years

#rstats #d3js htmlwidget sunburstR now on CRAN thx @kerryrodden and all who tested

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Kerry Rodden

@kerryrodden

4 years

@sequentialchaos A tribute:

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Kerry Rodden

@kerryrodden

8 years

@timelyportfolio all credit to @joshsassoon for the breadcrumb design. I just coded it :)

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Kerry Rodden

@kerryrodden

7 years

Dream HCI postdoc at Goldsmiths in London 👇

Rebecca Fiebrink

@RebeccaFiebrink

7 years

I'm hiring a postdoc! Looking for someone to start this autumn with an interest in sensors, HCI, and/or ML

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Kerry Rodden

@kerryrodden

8 years

@sxywu @trinary enjoy! Hope the time goes by as fast as it did in the past few days!

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Kerry Rodden

@kerryrodden

6 years

@moritz_stefaner It was great to meet you too! I really appreciated hearing what you've learned from freelancing. If I can help with UX metrics, or anything else, I'd be glad to.

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Kerry Rodden

@kerryrodden

3 years

As represented in the story above, it’s particularly tough when people experience multiple hardships, like having health problems that mean they can’t look for work. To represent this visually, we used a Venn diagram to organize the stories into categories that overlap. 4/10

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Kerry Rodden

@kerryrodden

4 years

@tinypicocat 👋 there goes the rest of our evening! 😻

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Kerry Rodden

@kerryrodden

8 years

Sunburst won this study of usability and beauty of hierarchical vis - would be cool to replicate: (h/t @kennelliott )

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Kerry Rodden

@kerryrodden

10 years

@echen All part of the UX research hazing. At YT we had someone keen to share his bedtime playlists... no, not white noise or whales.

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Kerry Rodden

@kerryrodden

4 years

Thread: real screenshots showing how difficult it can be to apply for benefits online. Some of these would make great "how not to do it" examples for any introductory UX class.

Dustin Palmer

@dustinbpalmer

4 years

Last year, we at @CodeforAmerica launched a neat project to document and compare online benefits applications (like Medicaid and food assistance) across all 50 states. 1/x

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Kerry Rodden

@kerryrodden

4 years

@jhebert @observablehq Thanks! And yes, I looked at a few different sources to try to figure out which states were considered to be least certain. I included as many states as I could without all the branches overlapping too much, but I definitely worry that 90% chance still isn't really "safe" 😓

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Kerry Rodden

@kerryrodden

9 years

@timelyportfolio Really nice work! Somehow I missed this first time around - just saw it on a retweet.

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Kerry Rodden

@kerryrodden

3 years

@MollzMP I need to do this too... maybe we could pair / co-work on it sometime 😅

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Kerry Rodden

@kerryrodden

25 days

@mikpanko @MotifAnalytics Excited to see what you've built and for these capabilities to be so much more widely available!

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Kerry Rodden

@kerryrodden

3 years

Challenge 1: Choosing colors for the base and hover states that are distinct but not garish. This @observablehq notebook on color blending in Venn diagrams was a wonderful resource: 6/10

Multiple Set Venn with Color Blending

Categories Category filter Color palette Set a predefined palette ... ... or choose custom colors Blend mode Draw Paths Link Path Indices to Categories Blend Colors category labels color data...

observablehq.com

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Kerry Rodden

@kerryrodden

4 years

@willbedesigned Aw, thank you, Will! And in case you were wondering, those circles are sized with a radius proportional to the square root of the number of electoral college votes 😇

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Kerry Rodden

@kerryrodden

7 years

Useful talk by @chilicondata about the challenges of user segmentation in practice - what the statistics textbooks don't tell you.

Ruben Kogel

@chilicondata

7 years

slides from my preso on user #segmentation , #kmeans @sfdatamining last week:

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Kerry Rodden

@kerryrodden

14 years

Renaming SF streets for usability: until 1909 the Embarcadero was East St North and East St South. http://bit.ly/b5mqv3

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Kerry Rodden

@kerryrodden

7 years

@thatadamguy Yeah, I'd love to see a proper write-up of the method, and am giving them the benefit of the doubt a little because I'm glad they're trying.

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Kerry Rodden

@kerryrodden

3 years

Challenge 2: Conveying that these data points represent individual people. We’re trying an introductory animation that morphs illustrations of people into dots in the visualization (using D3.js and Flubber: ) 7/10

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