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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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How has growth is emigration by region changed?

The Pew Research Center article Latin America, Caribbean no longer world’s fastest growing source of international migrants by  Luis Noe-Bustamante and Mark Hugo Lopez (1/25/19) provides an overview emigration changes by region. The graph copied here shows how the growth in emigration from Latin America and the Caribbean has drooped from 58% …

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Where will our electricity come from in next two years?

The EIA Today in Energy report, EIA forecasts renewables will be fastest growing source of electricity generation (1/18/19), provides projections for electricity generation. EIA expects non-hydroelectric renewable energy resources such as solar and wind will be the fastest growing source of U.S. electricity generation for at least the next two …

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