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.

My submission for #TidyTuesday, Week 16 on Global Health Spending. I explore countries with large OOPS share changes.

Code: github.com/mitsuoxv/tid...

I have updated my Shiny app to show IMF World Economic Outlook database, April 2026.

mitsuoxv.shinyapps.io/imf-weo/

New Zealand map with recorded points of seabird observations; faceted by years of 1969 and 1975-88.

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...

Bar chart filled with country; x-axis is years from 2016 to 2025, and y-axis is number of branches.

My submission for #TidyTuesday, Week 14 on Repair Cafes Worldwide. I explore number of branches by year and country.

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.

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...

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.

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...

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.

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...

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...

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.

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...

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.

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...

Line charts faced by 6 animals (sheep, paultry, cattle, deer, goats, and pigs); x-axis is years, and y-axis is production in millions.

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...

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.

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...

Boxplot; x-axis is nutrient level of the plant requires (High, Medium and Low), and y-axis is days of growing to harvest (mean).

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...

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.

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...

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.

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...

Boxplot; x-axis is # of countries where the language is spoken, and y-axis is # of native speakers (log-scale).

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...

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.

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...

Bar charts faceted by 6 macro areas; x-axis is endangerment category, and y-axis is counts of languages.

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...

5 maps of roundabouts with more than 4 approaches in Japan

My submission for #TidyTuesday, Week 50 on Roundabouts across the world. I explore roundabouts in Japan.

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.

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...

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...

Boxplots faceted by 6 score-types; x-axis is income level of country, and y-axis is score.

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...

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.

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...

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.

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...

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.

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...

Line chart of 12 prizes; x-axis is decade, and y-axis is man ration in winners.

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...

UK map with 27 points, of which color represents August maximum temperature rise from 1960s to 2020s.

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...

I have updated my Shiny app to show IMF World Economic Outlook database, October 2025.

mitsuoxv.shinyapps.io/imf-weo/

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.

My submission for #TidyTuesday, Week 41 on World Food Day. I explore undernourishment changes by income-level.

Code: github.com/mitsuoxv/tid...

Scatterplot; x-axis is basketball seasons from 1958 to 2024-25, and y-axis is the championship club.

Correction: I redraw the chart based on the data from Wikipedia.