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Logarithms Unmuddled
I often write about topics that I myself have struggled to understand. If I’ve struggled, I assume that many others have struggled as well. Over the years, I’ve found several mathematical concepts...
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Proportionally Speaking
As data sensemakers, we spend a great deal of time examining quantitative relationships. Along with distribution, correlation, and time-series relationships, proportion is the other quantitative...
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A Thinker’s Guide to Artificial Intelligence
I just finished reading the book about Artificial Intelligence (AI) that I’ve been craving for years: Artificial Intelligence: A Guide for Thinking Humans, by Melanie Mitchell. More than any other book...
View ArticleData Visualization Is Not a Panacea
It galls me when people oversell data visualization. Data visualization combines technologies (visual representations of quantitative data) with specific skills (techniques for creating and interacting...
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Ordinal Malpractice
We love to put things in order. “Which college is best, second best, third best, etc., and how can I get my kid into one near the top of the list?” “I love God, Mom, America, and apple pie, in that...
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Display New Daily Cases of COVID-19 with Care
Statistics are playing a major role during the COVID-19 pandemic. The ways that we collect, analyze, and report them, greatly influences the degree to which they inform a meaningful response. An...
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Comparing COVID-19 Mortality Rates Over Time By Country
As COVID-19 spreads its deadly effects around the world, many data analysts are struggling to track these effects in useful ways. Some attempts work better than others, however. Comparing these effects...
View ArticleData Visualization Is Data Visualization Is Data Visualization
The principles and practices of data visualization do not vary from one domain to another. They are the same. Data visualization applied to business differs only from data visualization applied to...
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To Tell the Story Clearly, Omit Nothing Significant
We’re in the midst of a worldwide COVID-19 pandemic. Our understanding of this novel pandemic and our efforts to combat it are determined in large part by the information that we consider. It’s...
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New Edition of “Now You See It”
On April 15, 2021, my book Now You See It (2009) will become available in its second edition with the revised subtitle An Introduction to Visual Data Sensemaking. Now You See It: An Introduction to...
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