Data Visualizations

Portfolio

Data Visualization

A showcase of data visualization projects using R, featuring TidyTuesday challenges and custom analytics visualizations

Author

Steven Ponce

Data Visualization Portfolio

Welcome to my data visualization gallery. Here you’ll find a collection of visualizations created using R, primarily focusing on #TidyTuesday, #30DayChartChallenge, #SWDchallenege, and #MakeoverMonday challenges and personal projects.

Jan and Feb Drove Most of 2025’s Refer-A-Friend Growth

The Sun Belt Drove America’s Net Migration Gains

After the war, cities did the work of reconciliation

San Diego taco ratings barely separate the best from the rest

Italy industrialized unevenly

30DayChartChallenge 2026

Some Countries Are Exiting Fossil Fuels Fast. Others Are Standing Still.

The Confidence Cascade

When warmth stops looking exceptional

One future does not exist

Energy Transitions Are Not Smooth

Democracy Has Declined–But Remains Deeply Divided

We know where we’ve been. Where we go is a choice.

Most exoplanets are still a blur

Coal falls. Renewables rise.

The Planet Still Breathes

The uneven race to renewables

A Century of Stagnation. Four Decades of Change.

Three Signals, One Direction

AI Automation Risk Is a Low-Wage Problem

Renewables Became the Cheapest Source of Electricity

As child mortality falls, risk concentrates at birth

Where Governments Spend Less, Households Spend More

Every Product Group Has Trade Deals, But Import Taxes Still Vary Widely

The Holiday-Volatility Paradox

The Crime Wave May Have Been Written in 1970

Fossil Dependence Rises Through Middle Income — Then Breaks Down at High Income

Global Trade Connects Regions Through a Few Dominant Product Flows

One Intervention, System-Wide Impact

Distance from Normal

Different Failure Modes, Different Timelines

Rough Seas Suppress Feeding — They Don’t Enhance It

Horror Films Are Lottery Tickets

From Survival to Stability

The Flu Season Clock

The Energy Transition Looks Different at Every Scale

A Decade of Divergence in Press Freedom

The Rivalry That Became a Gap

Big Tech Is Hiring, But Not Always Growing

Same Income Group, Very Different Power Systems

Whose Grid Got Cleaner?

Repair Isn’t the Problem — The System Is

The Energy Transition Is Uneven

Norway runs on water. India runs on coal. Electricity generation, shown in 10 icons.

Where Does $7 Trillion Go?

The Competitive Clock

Low-quality AI output is common —
and it scales into millions in hidden cost

The Ocean Has a Memory

Youth unemployment in London is rising faster than the overall trend

A Million Decisions, No Destination

The World’s Fastest Cars: Some Sell Engineering, Others Sell Exclusivity

Norway’s Farmed Salmon Mortality Shows Little Improvement Since 2020

Older Mario Titles Sold More Copies Than Their Revenue Rank Suggests

Lost in the Middle

Too Many Males, Too Few Females

Trump’s Approval Ratings: Declines and Current Standing

Maternity Care Deserts Span Large Regions of the United States

More Than Money: How Science Foundation Ireland Built a National Research Ecosystem

February 22, 2026

Wildlife Loss Since 1970 Is Uneven — and Extreme in Freshwater Systems

February 16, 2026

AI Funding Is Not Competitive — It’s Concentrated

February 16, 2026

What’s Growing on New Zealand’s Land?

February 15, 2026

25 Years of Currency Shifts

February 10, 2026

Finals Week Concentrates Medal Events Into Evening Hours

February 9, 2026

Gold Rallies When Real Interest Rates Turn Negative

February 1, 2026

If It Feels Hard to Read, It Probably Is

February 1, 2026

From Seed to Table: How Long Until Harvest?

February 1, 2026

America’s Most In-Demand Jobs: Beyond the Headlines

January 26, 2026

Just 25 Companies Hold Half of Brazil’s Corporate Capital

January 26, 2026

The Accelerating Rise of Women+ Conductors on Broadway

January 19, 2026

How Far Does APOD Take Us?

January 18, 2026

The Global Housing Bubble is Losing Air

January 12, 2026

Africa’s Indigenous Language Families Span the Continentr

January 11, 2026

The Prescription Takeover

January 8, 2026

60% started Geralt’s journey. Only 22% finished it.

January 2, 2026

Estimated crime rates are ~134% higher in London’s most
deprived neighborhoods

December 16, 2025

Small Nations Lead in Roundabout Adoption

December 14, 2025

Global language endangerment: scale and geographic concentration

December 14, 2025

AI Model Performance: Accuracy vs. Hallucination

December 8, 2025

Qatar Cars: A Modern, Global Dataset Reveals Four Market Segments

December 8, 2025

Pet cats rest 70–80% of the day regardless of season

December 2, 2025

The Race to 500 Home Runs

December 1, 2025

The Böögg Cannot Predict Record Hot Summers

November 29, 2025

Kids’ June 2025 Streaming Top 10

November 25, 2025

The Statistical Performance Gap: High vs. Low Income Countries

November 23, 2025

Understanding the Rise in Domestic Terrorism: Context Matters

November 19, 2025

The Sherlock Holmes Canon Thematic Word Networks

November 16, 2025

Living WWII Veterans by State (2025)

November 11, 2025

The Changing Face of TB Mortality

November 9, 2025

Pokémon Speed by Type

November 1, 2025

Flint Lead Contamination: Government vs. Citizen Testing (2015)

November 1, 2025

The Partisan Divide: Who Agrees More?m

October 29, 2025

Gender Equity in British Literary Prizes: Progress with Persistent Disparities

October 26, 2025

Drug Use Prevention Playbook: Who’s at Risk, How They Use, and What Protects Them

October 21, 2025

The UK’s Climate Is Warming — and Extremes Are Increasing

October 19, 2025

Recessions and Recovery: Not All Crises Are Equal

October 14, 2025

The World Started Tracking Severe Food Insecurity in 2016

October 13, 2025

European Basketball Success by Nation

October 5, 2025

Health Funding Surges While Education Slips

October 3, 2025

Lake Hornborgasjön cranes: seasonal peaks and long-term growth

September 29, 2025

UK Household Spending Inequality by Income Level in FYE 2024

September 24, 2025

Chess Dreams and Breakthroughs: A Global Perspective

September 21, 2025

The Great Generational Divide in ‘Childish’ Perceptions

September 16, 2025

Recipe Complexity Correlates with Higher Ratings

September 14, 2025

AI’s Job Market Impact: Transformation with Net Growth

September 9, 2025

The Global Passport Divide: Regional Inequality in Visa-Free Access

September 8, 2025

From Information Overload to Focused Insights: A Traffic Dashboard Redesign

September 3, 2025

Ranking Drug Harms in the UK

September 2, 2025

Australian Frogs Show Distinct Seasonal Calling Patterns

August 31, 2025

Global Meat Production Analysis: Trends & Statistical Precision

August 26, 2025

From Macarena to Bad Bunny: Latin Music’s Billboard Evolution

August 25, 2025

UK Unemployment: Five Decades of Volatility and Range

August 19, 2025

Height Distribution: Scottish Munros vs. Munro Tops

August 18, 2025

Regional evolution of extreme weather attribution science

August 12, 2025

Global Convergence in Electricity Access, 2000-2023

August 11, 2025

The economics of corruption perceptions: structure vs change, 2012-2024

The Geography of Inequality and the Redistribution Gap

European Minimum Wages Rose 23-87% Since 2020, With Eastern Europe Leading Growth

Netflix Content Viewing Velocity Analysis (Jul to Dec 2023)

London Underground Temperature Analysis (2013-2023)

Evolution of MTA Art Materials (1980-2020)

Mass Deportations Would Devastate Employment Across Multiple States

The British Library Funding Crisis: A Three-Part Analysis

Gender Differences in Color Ranking Accuracy

Science, Health, and History: The Big Three of Misconceptions

The Evolution of Diesel’s Premium Over Gasoline

Global Measles Surveillance: Quality vs Disease Burden

API Catalog Maintenance Patterns

Diversity in Federal Judicial Appointments Has Increased Over Time

Project Gutenberg: Language Patterns in Author Longevity

The Stakes for U.S. Truck Manufacturing Under Shifting Federal Policy

From 17x Industry Benchmark to Optimized Efficiency: A Data-Driven Supplier Strategy

D&D Encounter Design: Celestials Dominate Skill-Based Challenges

Client Contact Program: Uneven Success Demands Strategic Response

The Enduring Legacy of PC Gaming Excellence

Sydney Beaches: Water Quality Reliability

Religious Representation Gap: Migrants vs. General Population

Volatility and Change Patterns in Mount Vesuvius Seismic Activity (2011-2023)

The Uneven Landscape of Asian Restaurants in the U.S.

Analysis of 1,041 Terminated NSF Grants Totaling $613.26M

Disaster Death Distributions: 1950-2020

THE HIDDEN UNCERTAINTY

Meteorite Mass Distribution and Uncertainty

Topic-Speaker Bipartite Network for useR! 2025 Conference

Gender Gap in Educational Exclusion by Region

Trump Approval Ratings Across Selected Demographic Groups

S&P 500 Price Uncertainty and Noise

Uncertainty in Cardiovascular Disease Prevalence Across the U.S.

NBA Team Risk Matrix (2023-24 Season)

Gender Differences in Diabetes Rates Vary Sharply by Region

Pharmaceutical Giants Stock Performance (2018-2025)

Stellar Observations by the Hubble Space Telescope

Rise and Fall of Trilobites: Fossil Records Over Time

The Shifting Speeds of Urbanization (1960-2023)

April 20th Fatal Crashes Compared to Yearly Average (1992-2016)

NBA 3-Point Shooting Efficiency: Top 4 Teams

Relationship Between Peak Hour and Daily Traffic

Birds of a Feather: How NBA’s Bird Teams Show Identical Home Nest Advantage

NBA 2023-2024: High Usage Players with Below-Average Efficiency

Morphological Separation in Bill Dimensions Across Penguin Species

The Complicated Relationship Between Assists and Turnovers

Win Percentage by Player Combinations and Playstyle in 2023-2024 Season

NBA Player Archetypes: The Relationship Between Defense and 3-Point Shooting

Traffic Volume Distribution Analysis Across California Counties

NBA Teams: Distribution of Assist-to-Turnover Ratios

Distribution of Offensive Rebounding Specialization by Position (2024 NBA Season)

NBA 2023-24: Players with the Highest and Lowest Impact

Distribution of Points Per Game: Starters vs. Bench Players

Shooting Performance Variability Across NBA Teams (2023-24)

Comparison of NBA Stars’ Shooting Efficiency (2023-2024)

China’s Rise: GDP Ranking Changes (1960-2020)

Preserving Public Health Knowledge: CDC Dataset Categories at Risk

Radial Warmth: San Juan’s Temperature Profile

Digital Divide Narrows: Internet Adoption Across Generations

Citrus: The Only Effective Treatment for Scurvy (1757)

Focus to Collaboration Ratio Across Industries

Evolution of Business Priorities in Amazon’s Annual Reports

Speed Distribution by Pokémon Type

Retail Department Performance Analysis: Growth and Volatility

El Niño Impact on Regional Precipitation

Growth Form Patterns Across Palm Subfamilies

The Transformation of the Global Electric Vehicle Market (2013-2023)

A Tale of Pixar’s Evolution: Duration and Reception

The Thames in Motion: How Flow Shapes Water Quality and Pollution at FRBC

Youth Vaping Crisis: Policy Intervention Failure

TrueNut’s Market Dominance in Powdered Nut Butter

February 27, 2025

Long Beach Animal Shelter: Stay Duration and Outcomes

February 27, 2025

Racial and Ethnic Disparities in Reproductive Medicine Research (2010-2023)

February 24, 2025

Population Growth Patterns Across Regions

February 23, 2025

The Spectrum of Frequencies in Nature and Technology

February 18, 2025

Geographic Distribution of U.S. Law Enforcement Agencies

February 14, 2025

Most Popular Valentine’s Candy Across U.S. States (2024)

February 9, 2025

CDC Dataset Purge: A Timeline of Public Health Data Removal

February 8, 2025

Britain’s Power Mix: A Daily Energy Snapshot

February 2, 2025

The Simpsons: Character Dialogue Analysis (2010-2016)

February 2, 2025

Five Major U.S. Fresh Vegetable Crops (2000-2022)

February 1, 2025

World Happiness Report 2024

January 30, 2025

Nearly Half of U.S. Counties Face Increased Water Insecurity

January 25, 2025

The Paradox of Himalayan Climbing Expeditions

January 19, 2025

Energy Drink Brand Comparison: Activity Support Drives High Scores

January 15, 2025

Track Connections at posit::conf (2023-2024)

January 13, 2025

Aid Worker Security: A Global Analysis of Risks and Incidents

January 7, 2025

From Magic to Mixed Feelings: Analyzing ‘One Hundred Years of Solitude’ Reviews

January 5, 2025

More Holidays Associated with Lower Air Traffic Volatility in Larger Markets

December 9, 2024

The Arcane Hierarchy: D&D Spellcasting Classes Compared

December 8, 2024

Top 20 Perfume Brands Ranked by Average Rating and Portfolio Size

December 7, 2024

Progress in Reducing Working Poverty Rates in Africa (2000-2019)

December 2, 2024

Traffic Flow Analysis: A64 Road, May 2021

November 30, 2024

Border Encounters by Demographic and Authority Type

November 24, 2024

Bob’s Burgers: Questioning Nature of Dialogue

November 18, 2024

The Architecture of Global Country Codes

November 9, 2024

Rise and Fall of Democracies and Non-Democracies (1950-2020)

November 3, 2024

Eurovision: Sweden and Ireland Lead with the Most Wins

November 1, 2024

Monster Movies by Decade and Title Type

October 28, 2024

Exploring Relationships Among CIA Factbook Variables

October 21, 2024

Orca Encounter Observations: Leading Vessels

October 14, 2024

WakeUp Coffee Sales Summary

October 9, 2024

Radar Charts of Species Categories by National Park

October 7, 2024

Astronaut Mission Trends and Career Paths: A Journey from Nationality to Occupation

October 2, 2024

White and Black Chess Ratings: A Distribution Analysis

September 25, 2024

Gender Representation in the International Mathematical Olympiad

September 21, 2024

Character Interaction Networks in Shakespeare’s Plays

September 16, 2024

Distribution of College Attendance Rates by Selectivity Tier

September 10, 2024

Top 20 Responses to Key Questions in the 2024 Stack Overflow Survey

September 2, 2024

Hydrogen Projects by Country and Status

September 1, 2024

Exploring Individual Word Trends Across 27 Seasons of Power Rangers

August 27, 2024

Age at Marriage of Kings and Consorts

August 19, 2024

Visitor Distribution by Start Month at World’s Fairs

August 13, 2024

Judo’s Elite: Medal Achievements of the Top 10 Nations at the Summer Olympics Games, 1964 - 2016