Sign in

Mitsuo Shiota

@mitsuoxv.bsky.social
35 followers 17 following 93 posts

an economist and data scientist

PostsRepliesMedia
Mitsuo Shiota @mitsuoxv.bsky.social · 30/09/2026
My submission for #TidyTuesday, Week 39 on Health metrics in urban centres worldwide. I explore number of hospitals and pharmacies per capita, and pharmacies per hospital by income group. Code: github.com/mitsuoxv/tid...
Scatter plot faceted by income group (High income, Upper Middle, Lower Middle, and Low income); x-axis is number of hospitals per capita (log scale), and y-axis is number of pharmacies per capita (log scale).
030
Mitsuo Shiota @mitsuoxv.bsky.social · 22/09/2026
My submission for #TidyTuesday, Week 38 on average share of green areas across cities. I explore share changes in China, India, and Japan. Code: github.com/mitsuoxv/tid...
Line chart faceted by country (China, India, and Japan); x-axis is year from 1990 to 2020, and y-axis is average share of green areas in each city.
040
Mitsuo Shiota @mitsuoxv.bsky.social · 15/09/2026
My submission for #TidyTuesday, Week 37 on Dead Sea Scrolls Manuscripts. I explore material composition by period. Code: github.com/mitsuoxv/tid...
Bar chart filled with scroll material; x-axis is # of scrolls, and y-axis is periods from Early Hellenistic to Roman.
040
Mitsuo Shiota @mitsuoxv.bsky.social · 10/09/2026
My submission for #TidyTuesday, Week 36 on The Cappuccino Index. I explore cappuccino affordability by continent. Code: github.com/mitsuoxv/tid...
Boxplot; x-axis is minutes a barista needs to work to afford a small cappuccino, and y-axis is continents (Africa, Asia, Americas, Europe and Oceania).
020
Mitsuo Shiota @mitsuoxv.bsky.social · 04/09/2026
My submission for #TidyTuesday, Week 35 on World Castles, Fortresses and Palaces. I plot castles founded before 1615 in Japan to show Tokugawa gov't policy of 'one castle per one territory'. Code: github.com/mitsuoxv/tid...
Map to plot castles founded before 1615 in Japan; x-axis is latitude, and y-axis is longitude.
061
Mitsuo Shiota @mitsuoxv.bsky.social · 25/08/2026
My submission for #TidyTuesday, Week 34 on Country Music Lyrics. I explore who was the top producer in each year. Code: github.com/mitsuoxv/tid...
Bar chart filled with the year the song first entered the Top 30 Country Airplay chart; x-axis is # of songs, and y-axis is producer.
020
Mitsuo Shiota @mitsuoxv.bsky.social · 24/08/2026
My submission for #TidyTuesday, Week 33 on IELTS exam results. I explore in which part of the test English native advantages are most obvious. Code: github.com/mitsuoxv/tid...
Scatter plots faceted by test year; x-axis is mean score by native language, and y-axis is part of the test (listening, reading, writing, speaking, and overall).
060
Mitsuo Shiota @mitsuoxv.bsky.social · 12/08/2026
My submission for #TidyTuesday, Week 32 on the Palomar Spectroscopic Survey of Nearby Galaxies. I recreate the classic BPT diagnostic diagram. Code: github.com/mitsuoxv/tid...
Scatter plot of nearby galaxies; x-axis is [N II] 6583 / H-alpha (log-scale), and y-axis is [O III] 5007 / H-beta (log-scale). Points are classified by color and shape into 4 types (H II, LINER, Seyfert, and Transition).
030
Mitsuo Shiota @mitsuoxv.bsky.social · 10/08/2026
My submission for #TidyTuesday, Week 31 on Basotho Wool. I compare import price of China and South Africa. Code: github.com/mitsuoxv/tid...
Line chart (2 lines: China and South Africa); x-axis is years from 2010 to 2024, and y-axis is import price of Lesotho's Wool in USD per kg.
020
Mitsuo Shiota @mitsuoxv.bsky.social · 28/07/2026
My submission for #TidyTuesday, Week 30 on Ecotourism. I explore how unlikely I am to observe a Gouldian finch on rainy days. Code: github.com/mitsuoxv/tid...
Bar charts faceted with 6 species (more than 100 weather-known observation days); x-axis is rainy day or not, and y-axis is number of observation days.
060
Mitsuo Shiota @mitsuoxv.bsky.social · 27/07/2026
My submission for #TidyTuesday, Week 29 on Near-Death Experiences. I explore correlations among AI detected features, and find some relationship between ai-obe and ai_esp. Code: github.com/mitsuoxv/tid...
Count shown as circle size faceted by which near-death experience is validated, not validated, or not available; x-axis is TRUE or FALSE of out-of-body experience, and y-axis is TRUE or FALSE of Extrasensory perception.
021
Mitsuo Shiota @mitsuoxv.bsky.social · 17/07/2026
My submission for #TidyTuesday, Week 28 on Many penguins. I explore beak width difference by sex across species. Code: github.com/mitsuoxv/tid...
Boxplots faceted by 8 penguin species; x-axis is sex (female or male), and y-axis is beak width in mm.
020
Mitsuo Shiota @mitsuoxv.bsky.social · 07/07/2026
My submission for #TidyTuesday, Week 27 on UFC Athletes and Fight Data. I explore fights Blue won against better rank Red. Code: github.com/mitsuoxv/tid...
Histograms of 15 possible attributes why Blue won against better rank Red; x-axis is differences in attributes (Red minus Blue), excluding zeros, and y-axis is counts.
050
Mitsuo Shiota @mitsuoxv.bsky.social · 30/06/2026
My submission for #TidyTuesday, Week 26 on Wreck Inventory of Ireland. I explore number of wrecks by month. Code: github.com/mitsuoxv/tid...
Bar charts faceted by in or out of the World Wars (I and II); x-axis is months from 1 to 12, and y-axis is number of wrecks. Bars are filled with ship types.
081
Mitsuo Shiota @mitsuoxv.bsky.social · 23/06/2026
My submission for #TidyTuesday, Week 25 on Papal Encyclicals: Industrial Revolution vs. AI Revolution. I explore words per paragraph distribution by encyclical. Code: github.com/mitsuoxv/tid...
Histogram faceted by encyclical (Leo XIV's and Leo XIII's); x-axis is number of words per paragraph, and y-axis is number of paragraphs.
070
Mitsuo Shiota @mitsuoxv.bsky.social · 16/06/2026
My submission for #TidyTuesday, Week 24 on UK Baby Names. I explore degree of concentration by sex in UK baby names from 1997 to 2025. Code: github.com/mitsuoxv/tid...
Histogram of name shares by sex; x-axis is name shares (log scale), and y-axis is # of names (log scale).
040
Mitsuo Shiota @mitsuoxv.bsky.social · 09/06/2026
My submission for #TidyTuesday, Week 23 on Films Based on Video Games. I explore whether audiences and critics agree on English theatrical releases based on video games. Code: github.com/mitsuoxv/tid...
Boxplot and 48 points (English theatrical releases based on video games); x-axis is CinemaScore audience grade from A to F, and y-axis is RottenTomatoes critic score from 0 to 100.
020
Mitsuo Shiota @mitsuoxv.bsky.social · 02/06/2026
My submission for #TidyTuesday, Week 22 on European Parenting Leave Policies. I explore which countries were the first to implement co-parent leave policies. Code: github.com/mitsuoxv/tid...
Chart of segments showing non-zero co-parent leave duration; x-axis is years from 1970 to 2024, and y-axis is 21 European countries.
040
Mitsuo Shiota @mitsuoxv.bsky.social · 26/05/2026
My submission for #TidyTuesday, Week 21 on Sustainable Energy for All. I explore renewable energy share changes in 10 largest GDP countries. Code: github.com/mitsuoxv/tid...
Line chart of 10 largest GDP countries; x-axis is years from 1990 to 2010, and y-axis is share of renewable energy in installed capacity.
040
Mitsuo Shiota @mitsuoxv.bsky.social · 19/05/2026
My submission for #TidyTuesday, Week 20 on State of Crossref metadata by member country. I explore citations received per work of journal article by country. Code: github.com/mitsuoxv/tid...
Line charts of top 10 countries; x-axis is years from 2019 to 2026 April, and y-axis is citations received per Crossref-registered work of journal article.
061
Mitsuo Shiota @mitsuoxv.bsky.social · 12/05/2026
My submission for #TidyTuesday, Week 19 on Twinned Cities. I explore # of twinned cities agreements in top 6 countries by classification of # of agreements by city. Code: github.com/mitsuoxv/tid...
Bar chart filled with cuts of # of agreements by city; x-axis is top 6 countries (Germany, USA, Japan, Poland, China, and Russia), and y-axis is # of cross-country twinned cities agreements.
080
Mitsuo Shiota @mitsuoxv.bsky.social · 05/05/2026
My submission for #TidyTuesday, Week 18 on Italian Industrial Production. I explore production change in textiles in Italy. Code: github.com/mitsuoxv/tid...
Line chart to show productions of textlies, yarn and raw silk; x-axis is year from around 1860-1990, and y-axis is production in tons (1930 = 1).
060
Mitsuo Shiota @mitsuoxv.bsky.social · 28/04/2026
My submission for #TidyTuesday, Week 17 on US Agricultural Tariffs. I compare Korea with Mexico in duty-free access to the US agricultural market. Code: github.com/mitsuoxv/tid...
Line chart (Maximum is Mexico, and step-wise is Korea); x-axis is year start, and y-axis is # of duty free HTS8 codes.
020
Mitsuo Shiota @mitsuoxv.bsky.social · 21/04/2026
My submission for #TidyTuesday, Week 16 on Global Health Spending. I explore countries with large OOPS share changes. Code: github.com/mitsuoxv/tid...
Chart with arrows which start around 2000 and end around 2023; x-axis is percent share of OOPS in health spending, and y-axis is countries that changed more than 25 percent points.
050
Mitsuo Shiota @mitsuoxv.bsky.social · 14/04/2026
My submission for #TidyTuesday, Week 15 on Bird Sightings at Sea. I plot recorded points within 100km from coastal lines. Code: github.com/mitsuoxv/tid...
New Zealand map with recorded points of seabird observations; faceted by years of 1969 and 1975-88.
050
Mitsuo Shiota @mitsuoxv.bsky.social · 07/04/2026
My submission for #TidyTuesday, Week 14 on Repair Cafes Worldwide. I explore number of branches by year and country. Code: github.com/mitsuoxv/tid...
Bar chart filled with country; x-axis is years from 2016 to 2025, and y-axis is number of branches.
060
Mitsuo Shiota @mitsuoxv.bsky.social · 31/03/2026
My submission for #TidyTuesday, Week 13 on Coastal Water Temperature in Depth. I explore seasonal changes by year and depth. Code: github.com/mitsuoxv/tid...
Line chart with color denoting year faceted by depth; x-axis is dates from January to December, and y-axis is temperature in Celsius degree.
060
Mitsuo Shiota @mitsuoxv.bsky.social · 26/03/2026
My submission for #TidyTuesday, Week 12 on One Million Digits of Pi. I explore digit distribution in 5 or more repeated same digits like 3333333. Code: github.com/mitsuoxv/tid...
Bar chart; x-axis is digit from 0 to 9, y-axis is counts of 5 or more repeated same digits in one million digits of pi, and filled with repetition length from 5 to 7.
090
Mitsuo Shiota @mitsuoxv.bsky.social · 17/03/2026
My submission for #TidyTuesday, Week 11 on Salmonid Mortality Data. I explore mortality time series for both salmon and rainbow trout in country: Norge. Code: github.com/mitsuoxv/tid...
Line with ribbon (median and upper & lower quartile) chart faceted by species (salmon and rainbou trout); x-axis is months from January 2020 to December 2025, and y-axis is mortality.
0112
Mitsuo Shiota @mitsuoxv.bsky.social · 10/03/2026
My submission for #TidyTuesday, Week 10 on How likely is 'likely'? I find 3721 out of 51740 responds in pairwise comparisons are inconsistent with responders' own absolute judgements, and make a network graph of confused pairs by trying igraph package. Code: github.com/mitsuoxv/tid...
070
Mitsuo Shiota @mitsuoxv.bsky.social · 04/03/2026
My submission for #TidyTuesday, Week 9 on Golem Grad Tortoise Data. I explore measured female/male ratio by locality and year-season. Code: github.com/mitsuoxv/tid...
Bar chart faceted by sex (male and female) and locality (Beach, Konjsko, and Plateau); x-axis is year-season, and y-axis is number of measured tortoises.
0101
Mitsuo Shiota @mitsuoxv.bsky.social · 24/02/2026
My submission for #TidyTuesday, Week 8 on Science Foundation Ireland Grants Commitments. I explore grants distribution in each project length category (yearly). Code: github.com/mitsuoxv/tid...
Histogram of grants faceted by project length category (by 1 year, up to 6 years);x-axis is grants from Science Foundation Ireland (thousand euros), and y-axis is number of projects.
060
Mitsuo Shiota @mitsuoxv.bsky.social · 17/02/2026
My submission for #TidyTuesday, Week 7 on Agricultural Production Statistics in New Zealand. I explore production changes over time of sheep, poultry, cattle, deer, goats and pigs. Code: github.com/mitsuoxv/tid...
Line charts faced by 6 animals (sheep, paultry, cattle, deer, goats, and pigs); x-axis is years, and y-axis is production in millions.
040
Mitsuo Shiota @mitsuoxv.bsky.social · 11/02/2026
My submission for #TidyTuesday, Week 6 on the 2026 Winter Olympics. I explore event distribution across the days by event type. Code: github.com/mitsuoxv/tid...
Bar charts faced by the event type (Medal event, Training session, and Other); x-axis is dates from Feb. 4 to Feb. 22, y-axis is event counts, and bar is filled with colors of 16 disciplines.
1110
Mitsuo Shiota @mitsuoxv.bsky.social · 03/02/2026
My submission for #TidyTuesday, Week 5 on Edible Plants Database. I explore relationship between nutrient the plant requires and days of growing to harvest. Code: github.com/mitsuoxv/tid...
Boxplot; x-axis is nutrient level of the plant requires (High, Medium and Low), and y-axis is days of growing to harvest (mean).
050
Mitsuo Shiota @mitsuoxv.bsky.social · 27/01/2026
My submission for #TidyTuesday, Week 4 on Brazilian Companies. I explore declared share capital distribution by company size, and focus enterprises with more than 10 billion BRL declared share capital. Code: github.com/mitsuoxv/tid...
Histograms of declared share capital faceted by enterprise size, and by whether capital is more than 10 billion BRL or not; x-axis is declared share capital (BRL) in log scale, and y-axis is enterprise counts.
070
Mitsuo Shiota @mitsuoxv.bsky.social · 20/01/2026
My submission for #TidyTuesday, Week 3 on Astronomy Picture of the Day. I explore how word counts in title changed by year. Code: github.com/mitsuoxv/tid...
Line chart with 7 lines (7 most common non-stop words in image title of astronomy picture of the day); x-axis is year, and y-axis is word counts by year.
050
Mitsuo Shiota @mitsuoxv.bsky.social · 13/01/2026
My submission for #TidyTuesday, Week 2 on The Languages of Africa. I explore the relationship between # of countries where the language is spoken and # of native speakers. Code: github.com/mitsuoxv/tid...
Boxplot; x-axis is # of countries where the language is spoken, and y-axis is # of native speakers (log-scale).
070
Mitsuo Shiota @mitsuoxv.bsky.social · 30/12/2025
My submission for #TidyTuesday, Week 52 on Christmas Novels. I explore term frequency changes from authors born before 1850 to those born after 1850. Code: github.com/mitsuoxv/tid...
Arrow chart whose start point is authors born before 1850, and end point is those born after 1850; x-axis is term frequency per 1000 words, and y-axis is words whose tf changed by more than 1/1000.
0141
Mitsuo Shiota @mitsuoxv.bsky.social · 23/12/2025
My submission for #TidyTuesday, Week 51 on the languages of the world. I explore endangerment status distribution by macro area. Code: github.com/mitsuoxv/tid...
Bar charts faceted by 6 macro areas; x-axis is endangerment category, and y-axis is counts of languages.
050
Mitsuo Shiota @mitsuoxv.bsky.social · 16/12/2025
My submission for #TidyTuesday, Week 50 on Roundabouts across the world. I explore roundabouts in Japan. Code: github.com/mitsuoxv/tid...
5 maps of roundabouts with more than 4 approaches in Japan
090
Mitsuo Shiota @mitsuoxv.bsky.social · 09/12/2025
My submission for #TidyTuesday, Week 49 on Cars in Qatar. I explore relationship between weight and horsepower of non-2-seater cars by engine type. Code: github.com/mitsuoxv/tid...
Scatter plots faceted by engine type (Petrol, Hybrid and Electric); x-axis is weight in kg, and y-axis is horsepower. 2 seaters are excluded.
090
Mitsuo Shiota @mitsuoxv.bsky.social · 02/12/2025
My submission for #TidyTuesday, Week 48 on Can an exploding snowman predict the summer season? I explore possible linear relationship between time elapsed from Boeoegg ignition to explosion and something like temperature, precipitation and sunshine duration. Code: github.com/mitsuoxv/tid...
050
Mitsuo Shiota @mitsuoxv.bsky.social · 25/11/2025
My submission for #TidyTuesday, Week 47 on Statistical Performance Indicators. I explore scores in 2023 by income level of country. Code: github.com/mitsuoxv/tid...
Boxplots faceted by 6 score-types; x-axis is income level of country, and y-axis is score.
070
Mitsuo Shiota @mitsuoxv.bsky.social · 18/11/2025
My submission for #TidyTuesday, Week 46 on The Complete Sherlock Holmes. I explore stop words term frequency ratio, Holmes speakings (in The "Gloria Scott" and The Musgrave Ritual) over Watson writings (in the rest of The Memoirs of Sherlock Holmes). Code: github.com/mitsuoxv/tid...
Point and line chart to show ratios around one; x-axis is term frequency ration, Holmes over Watson, and y-axis is 13 words with more than 1/100 term frequency in Watson writings.
070
Mitsuo Shiota @mitsuoxv.bsky.social · 11/11/2025
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.
050
Mitsuo Shiota @mitsuoxv.bsky.social · 04/11/2025
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.
050
Mitsuo Shiota @mitsuoxv.bsky.social · 28/10/2025
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.
070
Mitsuo Shiota @mitsuoxv.bsky.social · 21/10/2025
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.
080
Mitsuo Shiota @mitsuoxv.bsky.social · 16/10/2025
I have updated my Shiny app to show IMF World Economic Outlook database, October 2025. mitsuoxv.shinyapps.io/imf-weo/
182