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How hot was 2020?

In my last post we saw that December 2020 was only the eighth warmest December. So, how did 2020 fair overall?  From NOAA’s Global Climate Report – Annual 2020: With a slightly cooler end to the year, the year 2020 secured the rank of second warmest year in the 141-year …

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How did CEOs do in 2019?

The EPI article CEO compensation surged 14% in 2019 to $21.3 million – CEOs now earn 320 times as much as a typical worker by Lawrence Mishel and Jori Kandra (8/18/2020) provides a detailed analysis of CEO pay. There are 6 charts/tables in the article with data as well as …

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What’s New at sustainabilitymath?

The data sets for the calculus and statistics projects have all been updated. Along with the traditional Excel file each tile now has a csv file with the data used to create the graphs. The associated R file now pulls the data directly from the csv file. Of course you …

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What are Warming Stripes?

The image here from ShowYourStripes has a vertical strip representing global average temperature anomalies from 1850 to 2019 where darker blue is cooler and darker red is warmer. This graphic style, warming stripes, is credited to Ed Hawkins. The ShowYourStripes page has similar graphics for different regions. On the Climate …

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How are household numbers changing?

The Our World in Data post, The rise of living alone: how one-person households are becoming increasingly common around the world by Esteban Oritz-Ospina (12/10/2019), provides the chart copied here. National income per capita and the share of one-person households are strongly correlated… These correlations are partly due to the …

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R you looking to learn R?

Today’s post is a shameless plug. If you are looking to learn R as it relates to college courses consider my new book R for College Mathematics and Statistics. The book is example based and organized by mathematical and statistical topic, which loosely follows standard courses in the curriculum. The …

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