Jovi Dai
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jovidai.bsky.social
Jovi Dai
@jovidai.bsky.social
160 followers 210 following 10 posts
data reporter @ The Mercury News & East Bay Times • telling stories with data & visuals
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jovidai.bsky.social
NEW: The most recent available data shows that in 2022, Catholics occupied 19.7% of Africa’s population, 64.1% in the Americas, 3.3% in Asia, 39.5% in Europe and 26% in Oceania.

Where Roman Catholics live around the world and in the Bay Area.

www.mercurynews.com/2025/05/08/m...
Where Roman Catholics live around the world and in the Bay Area
Numbers of Catholics rose around the world, except in Europe.
www.mercurynews.com
May 9, 2025 at 12:08 AM
jovidai.bsky.social
After the fall of Saigon to Communist forces on April 30, 1975, more than 2 million Vietnamese people fled the country by sea in search of safety and freedom.

Charts show Bay Area Vietnamese population, education level and income.

www.mercurynews.com/2025/04/27/b...
Charts show Bay Area Vietnamese population, education level and income
Data shows the demographics of the Vietnamese population in the Bay Area.
www.mercurynews.com
April 28, 2025 at 10:48 PM
Reposted by Jovi Dai
mercurynews.com
Bay Area cuisine thrives on global flavors. Trump’s trade war puts that at risk.
Bay Area cuisine thrives on global flavors. Trump’s trade war puts that at risk.
Trump’s sweeping tariffs are creating uncertainty for restaurateurs who import their ingredients from abroad.
www.mercurynews.com
April 24, 2025 at 6:20 PM
jovidai.bsky.social
NEW: April 15 is the Tax Day. New data reveals how tax refunds vary by state, county, and income level—and what this means for Bay Area residents. @mercurynews.com

www.mercurynews.com/2025/04/14/r...
Many Bay Area taxpayers might get a refund from Uncle Sam
Among California’s 58 counties, seven of the 10 with the highest average federal tax refunds are in the Bay Area, data shows.
www.mercurynews.com
April 15, 2025 at 10:48 PM
jovidai.bsky.social
Bay Area Gen-Z entrepreneur uses AI to help job seekers.

www.mercurynews.com/2025/04/11/b...
Bay Area Gen-Z entrepreneur uses AI to help job seekers
“AI has made it easier than ever to apply for jobs, generate resumes, and write cover letters. But now, companies are also using AI to filter applicants — so in many cases, AI is essent…
www.mercurynews.com
April 15, 2025 at 10:46 PM
Reposted by Jovi Dai
mercurynews.com
Bay Area’s 40 deadliest local roads
Bay Area’s 40 deadliest local roads
The 40 deadliest Bay Area roads.
www.mercurynews.com
April 14, 2025 at 6:23 PM
jovidai.bsky.social
Caltrain ridership gets big uptick since electric trains introduced. Read more information about the Caltrain annual ridership, and its percentage increase.

www.mercurynews.com/2025/04/07/c...
Caltrain ridership gets big uptick since electric trains introduced
“Since the Caltrain is electrified, we’ve really reinvented our service,” said Caltrain spokesperson Dan Lieberman. “It’s faster than ever before, running more service…
www.mercurynews.com
April 10, 2025 at 9:38 PM
jovidai.bsky.social
NEW: The Bay Area’s deadliest local roads - and what’s being done to make them safer. Check out the list of the Bay Area’s deadliest local roads.

www.mercurynews.com/2025/03/26/d...
The Bay Area’s deadliest local roads — and what’s being done to make them safer
Transportation officials have been working to improve safety on some large, busy thoroughfares that have a bloody history of deadly auto collisions.
www.mercurynews.com
March 27, 2025 at 5:48 PM
Reposted by Jovi Dai
mercurynews.com
California and Bay Area refugees urge Trump to reconsider resettlement limits
California and Bay Area refugees urge Trump to reconsider resettlement limits
About 12,000 refugees arrived in the nine-county Bay Area from 2002 to 2022 from dozens of countries, with the largest numbers from Iran, Iraq and Burma.
www.mercurynews.com
March 11, 2025 at 5:15 PM
Reposted by Jovi Dai
silviacanelon.com
My first #NICAR2025 conf is right around the corner & there are 213+ sessions! 🤩📊

If you're like me & prefer a calendar view, I made a tool just for you! It's an #RShiny app that lets you search & select sessions to export as an .ics calendar file

GIve it a try! tiny.cc/nicar-2025 #RStats #RLadies
Shiny app table of NICAR 2025 sessions, displaying fields including session type, time, length, skill level, location, and whether the recorded. The interactive options to filter the sessions include a keyword search bar, a radio button for the day of the conference, a slider for the time of day, a search bar for speakers, session type, and skill level, and lastly, a radio button for whether the session will be recorded. Official conference schedule is posted online at https://schedules.ire.org/nicar-2025/index.html About page of the Shiny app which has information about me and the app, about the conference, and about the main packages used to build the app. Text displayed to follow: Hi there! My name is Silvia Canelón and this is my first time attending NICAR. ️👋 If you see me around, please say hello! You can also get in touch on Bluesky or through my website. This app was built with ♥ using the official NICAR 2025 schedule, Shiny, and the R packages below. You can find the full source code for this app on GitHub (adapted from an app created by Garrick Aden-Buie). NICAR 2025 March 6-9, 2025 — Minneapolis, MN From Investigative Reporters & Editors (IRE): Join us for our annual data journalism conference where you'll have access to trainings on some of the most powerful tools a journalist can have in their kit. Sessions will also feature the most tried and tested data analysis techniques and investigative skills out there. Packages section of the About page displaying 6 packages: Shiny, BSLib, RVest, Lubridate, Glue, and R6. More details to follow. Shiny: Shiny is an R package that makes it easy to build interactive web apps straight from R. BSLib: ools for creating custom Bootstrap themes, making it easier to style Shiny apps & R Markdown documents directly from R without writing unruly CSS and HTML. RVest: The rvest package helps you scrape (or harvest) data from web pages.
March 1, 2025 at 1:11 AM
jovidai.bsky.social
Thank you @ire-nicar.bsky.social for hosting another amazing year of #NICAR25 to learn a lot of new skills and meet friends old and new! Can’t wait to apply new skills learned to my future stories.
March 9, 2025 at 8:38 PM
jovidai.bsky.social
#NICAR25 So great to see many people show up at my R session about learning visualization packages in Studio this morning.

Here’s a link to the files for you to review if you’d like to go through them after the conference. @ire-nicar.bsky.social

docs.google.com/presentation...
nicar25-r-packages
Learn visualization packages in RStudio to make a variety of charts Jovi Dai, San Jose Mercury News & East Bay Times Julie Christie, Independent journalist bit.ly/nicar25-r-packages-slides
docs.google.com
March 8, 2025 at 6:28 PM
Reposted by Jovi Dai
jlaf.bsky.social
Happy #nicar25! Join us Sat evening for fabulous prizes bit.ly/NICARDATAHUN...
The Great Data Hunt
Grab your friends, colleagues or anyone you see standing around (No Nerds Left Behind!) and sign up for the Great Data Hunt. You’ll solve festive data-related puzzles to find clues that will lead you ...
bit.ly
March 6, 2025 at 2:41 PM
Reposted by Jovi Dai
yolimartinez.bsky.social
Loved being able to jump back into D3 for this #NICAR25 presentation. For those that missed it, here's the tip sheet for the session docs.google.com/document/d/1...
March 7, 2025 at 7:40 PM
jovidai.bsky.social
I’m excited to have two hands-on sessions about HTML, CSS and JavaScript for #NICAR25 with @matt-kiefer.bsky.social, @yolimartinez.bsky.social and Rosmery Izaguirre.

If you’re interested in learning them, please join us this morning! @ire-nicar.bsky.social

schedules.ire.org/nicar-2025/i...
NICAR 2025 schedule | March 6-9, 2025 | Minneapolis
Welcome to the #NICAR25 conference schedule!
schedules.ire.org
March 7, 2025 at 2:18 PM