Home / Uncategorized

Uncategorized

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 …

Read More »

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 …

Read More »

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% …

Read More »

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 …

Read More »

How quickly is Antarctica losing ice?

  The new paper, Four decades of Antarctic Ice Sheet mass balance from 1979–2017, by Eric Rignot, et. el (PNAS 1/14/19) states The total mass loss from Antarctica increased from 40 ± 9 Gt/y in the 11-y time period 1979–1990 to 50 ± 14 Gt/y in 1989–2000, 166 ± 18 …

Read More »

What’s new at sustainabilitymath.org?

The first two interactive graph have been posted at sustainabilitymath.org.  They can be found at the new Interactive Graphs page. The two graph represent mean and median wages by race and gender with regression lines from 1973 to 2017 (data from EPI).  Check them out because they are interesting and both …

Read More »