Mitsuo Shiota
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mitsuoxv.bsky.social
Mitsuo Shiota
@mitsuoxv.bsky.social
20 followers 17 following 47 posts
an economist and data scientist
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mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 45 on WHO TB Burden Data: Incidence, Mortality, and Population. I explore TB incidence per population change in countries with more than 100 million population.

Code: github.com/mitsuoxv/tid...
Line charts faceted by 6 regions; x-axis is years from 2000 to 2023, and y-axis is TB incidence per 100K. Countries with more than 100 million population only.
November 11, 2025 at 6:08 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 44 on lead concentration in Flint water samples in 2015. I compare sample distributions by MDEQ and Virginia Tech.

Code: github.com/mitsuoxv/tid...
Histograms of lead concentration samples faceted by collector (MDEQ or Virgina Tech); x-axis is lead levels in ppb (log-scale), and y-axis is counts. Two removed samples in MDEQ are colored in red. Dashed and dotted lines show mean excluding and including those removed two.
November 4, 2025 at 7:18 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 43 on Selected British Literary Prizes (1990-2020). I explore man ratio in winners by prize and decade.

Code: github.com/mitsuoxv/tid...
Line chart of 12 prizes; x-axis is decade, and y-axis is man ration in winners.
October 28, 2025 at 6:12 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 42 on Historic UK Meteorological & Climate Data. I explore August maximum temperature rise from 1960s to 2020s by station.

Code: github.com/mitsuoxv/tid...
UK map with 27 points, of which color represents August maximum temperature rise from 1960s to 2020s.
October 21, 2025 at 7:18 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 41 on World Food Day. I explore undernourishment changes by income-level.

Code: github.com/mitsuoxv/tid...
Line chart; x-axis is years from 2005 to 2024, and y-axis is prevalence of undernourishment. 4 lines are low, lower-middle, upper-middle and high income economies.
October 14, 2025 at 7:37 AM
mitsuoxv.bsky.social
Correction: I redraw the chart based on the data from Wikipedia.
Scatterplot; x-axis is basketball seasons from 1958 to 2024-25, and y-axis is the championship club.
October 8, 2025 at 6:28 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 40 on EuroLeague Basketball. I explore which team won the title each year.

Code: github.com/mitsuoxv/tid...
Scatterplot; x-axis is non-continuous years from 1992 to 2025, and y-axis is the team-city-country which won the title.
October 7, 2025 at 8:21 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 39 on Crane Observations at Lake Hornborgasjon, Sweden (1994-2024). I explore max observation in each season (spring and fall).

Code: github.com/mitsuoxv/tid...
Line chart of 2 lines (one for spring, and the other for fall); x-axis is year (1994-2024), and y-axis is max crane observation in each year-season at Lake Hornbogasjon, Sweden.
October 2, 2025 at 8:17 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 38 on FIDE Chess Player Ratings. I explore rating change from August to September 2025 by sex and k factor.

Code: github.com/mitsuoxv/tid...
Scatterplots by sex and k factor; x-axis is ratings in August, and y-axis is ratings in September 2025. Each point is colored with year of birth of a player.
September 23, 2025 at 8:34 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 37 on Allrecipes. I explore calories per serving by country.

Code: github.com/mitsuoxv/tid...
Box plots of calories per serving; x-axis is country, and y-axis is calories per serving.
September 19, 2025 at 12:16 PM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 36 on Henley Passport Index Data. I explore rank changes among top rank countries.

Code: github.com/mitsuoxv/tid...
Line chart of 3 countries (Singapore, Japan and the US); x-axis is years from 2006 to 2025, and y-axis is ranking of visa free count.
September 9, 2025 at 12:57 PM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 35 on Australian Frogs. I explore frog tribes by season.

Code: github.com/mitsuoxv/tid...
Bar chart filled with frog tribes; x-axis is # of events, and y-axis is four seasons from spring to winter.
September 4, 2025 at 12:22 PM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 34 on Billboard Hot 100 Number Ones. I explore # of Number One Songs by artist.

Code: github.com/mitsuoxv/tid...
Bar chart filled with decades to hit Number One; x-axis is # of Number One Songs, and y-axis is top 8 artists.
August 27, 2025 at 9:36 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 33 on Scottish Munros. I try a map of Munros in 2021.

Code: github.com/mitsuoxv/tid...
A map of Munros in Scotland, 2021.
August 20, 2025 at 9:25 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 32 on Extreme Weather Attribution Studies. I explore climate change impact by event type according to studies.

Code: github.com/mitsuoxv/tid...
Bar charts faceted by event type like heat or snow; x-axis is years when studies were published, y-axis is number of studies, and bar is filled with climate change impact classification like more severe or less severe.
August 12, 2025 at 11:29 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 31 on Income Inequality Before and After Taxes. I explore before and after tax Gini coefficient movement in European countries.

Code: github.com/mitsuoxv/tid...
Line charts of 28 European countries faceted by before or after tax; x-axis is years from 1968 to 2023, and y-axis is Gini coefficient.
August 6, 2025 at 11:44 AM
mitsuoxv.bsky.social
My submission for Week 30 on What have we been watching on Netflix? I explore hours viewed by season in top 4 viewed series.

Code: github.com/mitsuoxv/tid...
Line chart faceted by top 4 viewed series; x-axis is report period from 2023Jul-Dec to 2025Jan-Jun, and y-axis is hours viewed in millions.
August 1, 2025 at 5:18 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 29 on MTA Permanent Art Catalog. I explore distribution of arts by the number of lines of the station.

Code: github.com/mitsuoxv/tid...
Histogram faced by whether the art is displayed after 2009 global financial crisis or not; x-axis is # of lines going through the station where the art is displayed, and y-axis is # of displayed arts in NYC transit.
July 22, 2025 at 1:10 PM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 28 on British Library Funding. I explore funding changes from Labour to Conservative administration.

Code: github.com/mitsuoxv/tid...
Bar chart; x-axis is years from 1998 to 2023, y-axis is funding in real terms (year 2000 GBP in millions), and each bar is filled with funding sources like grant-in-aid and donation.
July 16, 2025 at 7:41 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 27 on The xkcd Color Survey Results. I explore which types of users are most likely to be spam users.

Code: github.com/mitsuoxv/tid...
2 scatterplots; common y-axis is spam user probability, x-axis in left is # of answers per user, and x-axis in right is max value of RGB difference square sum in case of less than 50 answers.
July 12, 2025 at 6:55 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 26 on Weekly US Gas Prices. I explore premium price and rate over regular gasoline (conventional formulation).

Code: github.com/mitsuoxv/tid...
2 line charts; common x-axis is date (weekly) from 1994 to 2025, and y-axis is either premium price or rate over regular gasoline. Red line is premium, and blue line is midgrade. Formulation is conventional.
July 1, 2025 at 12:01 PM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 25 on Measles cases across the world. I explore measles incidence rates by region and year.

Code: github.com/mitsuoxv/tid...
Bar charts faceted by region (basically continent); x-axis is year from 2014 to 2024, and y-axis is measles cases per 1 million population.
June 25, 2025 at 1:19 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 24 on API Specs. I explore who provides largest number of APIs in open data category.

Code: github.com/mitsuoxv/tid...
Bar chart; x-axis is # of APIs, and y-axis is top 7 providers in open data category.
June 17, 2025 at 12:29 PM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 23 on U.S. Judges and historydata R Package. I explore gender appointment tendency by president party, and year range (Lincoln to L. B. Johnson, or Nixon to Obama).

Code: github.com/mitsuoxv/tid...
Bar charts of counting male or female appointments faceted by president party (Democratic or Republican), and year range (Lincoln to L. B. Johnson, or Nixon to Obama).
June 10, 2025 at 6:39 AM
mitsuoxv.bsky.social
My submission for #TidyTuesday, Week 22 on Project Gutenberg. I explore whose work is most widely translated.

Code: github.com/mitsuoxv/tid...
Bar chart; x-axis is number of available languages, and y-axis is authors.
June 3, 2025 at 5:14 AM