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Month: May 2026

Why Per Capita Data Often Tells a Different Story Than Totals

Roberta Meyer May 31, 2026 Blogging

When a headline announces that Country X has the largest economy in the world, the instinct is to equate that ranking with widespread prosperity. A total, or aggregate, number—$25 trillion in output, 1.4 billion people, 10 million barrels of oil…

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How to Interpret Polling Margins of Error Without Overreacting

Roberta Meyer May 29, 2026 Blogging

Polling data washes through the news cycle constantly, and election season turns the flow into a firehose. A candidate is up three points in one survey, down two in the next, and the pundit class reacts as if the ground…

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How to Read Polling Margins of Error Without Losing Your Head

Roberta Meyer May 28, 2026 Blogging

Every election season, fresh polling data floods newsfeeds and cable chyrons. A candidate leads by three points in one survey, trails by two in another, and suddenly the political world declares a momentum shift. The numbers feel solid—precise percentages, tidy…

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The Problem With Using Color Scales in Data Maps Without Legend Context

Roberta Meyer May 26, 2026 Blogging

When a Map Whispers but Never Speaks You’ve seen the image. A country, a state, a city—washed in shades that drift from pale cream to burnt orange and then to a deep, almost violent magenta. A nearby headline declares one…

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Why Color Scales in Data Maps Fall Flat Without a Legend

Roberta Meyer May 24, 2026 Blogging

The eye goes straight to the colors. A deep crimson county reads as emergency; a washed-out blue one, calm. But without a legend that spells out the range, those colors are just pigment. The problem with using color scales in…

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Why Data Maps Without Clear Legends Break Their Own Promise

Roberta Meyer May 19, 2026 Blogging

Color scales do a lot of the talking on data maps. Population density, election returns, climate shifts, economic indicators—all of it gets compressed into a gradient. But the second a legend goes missing, or turns fuzzy, the story falls apart.…

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Why Moving Averages Matter More Than Monthly Numbers

Roberta Meyer May 16, 2026 Blogging

Every month, the same ritual. Retail sales up 0.7%. Industrial production down 0.3%. Housing starts miss. The numbers flash, the headlines sound certain, and for a moment a single digit seems to explain everything. But anyone who has spent real…

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How to Design a Chart That Tells the Truth About Trends

Roberta Meyer May 14, 2026 Blogging

Charts don’t just hand you the numbers—they frame them. Every pixel you pick, from the shade of a line to the gap in an axis, nudges a reader toward some conclusion. When the aim is honesty, the job isn’t to…

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Why Inflation Charts Look Different Depending on the Baseline

Roberta Meyer May 11, 2026 Blogging

You can hand two economists the same inflation report and get back two completely different reactions. One says it’s alarming. The other waves it off as noise. More often than not, the split comes down to something that sounds technical…

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The Problem With Reporting GDP Without Context

Roberta Meyer May 9, 2026 Blogging

Gross Domestic Product gets treated like a national report card—a tidy number that tells you at a glance whether we’re booming or busting. Newsrooms splash the quarterly headline across homepages and chyrons: “GDP grew 2.3%” or “Economy contracts 0.5%.” The…

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