Monthly Archives: March 2020

New COVID-19 incidence in the United States as AR(1) processes

There are several sources of information regarding Covid-19 incidence now available. This post uses data from a single source: the COVID Tracking Project. In particular I restrict attention to cumulative daily case counts for the United States, the UK, and … Continue reading

Posted in coronavirus, COVID-19, epidemiology, pandemic, regression, SARS-CoV-2 | Leave a comment

What happens when time sampling density of a series matches its growth

This is the newly updated map of COVID-19 cases in the United States, updated, presumably, because of the new emphasis upon testing: How do we know this is the recent of recent testing? Look at the map of active cases: … Continue reading

Posted in American Association for the Advancement of Science, American Statistical Association, anti-intellectualism, anti-science, climate denial, corruption, data science, data visualization, Donald Trump, dump Trump, epidemiology, experimental science, exponential growth, forecasting, Kalman filter, model-free forecasting, nonlinear systems, open data, penalized spline regression, population dynamics, sampling algorithms, statistical ecology, statistical models, statistical regression, statistical series, statistics, sustainability, the right to know, the stack of lies | 1 Comment

Meteorological Spring, and the Atlantic’s primary producers are jumping the phenological gun

Primary producers These are from NASA’s Aqua-MODIS, meaning, Aqua satellite, MODIS instrument: (Click image to see a larger figure.) (Click image to see a larger figure.) (h/t Earth Observatory at NASA) See my related blog post. And, note, it’s all … Continue reading

Posted in NASA, oceans, phenology, plankton, population biology, population dynamics, primary productivity | Leave a comment

R ecosystem package coronavirus

Dr Rami Krispin of the Johns Hopkins University Center for Systems Science and Engineering (JHU CCSE) has just released the R package coronavirus, which “provides a daily summary of the Coronavirus (COVID-19) cases by state/province“, caused by 2019-nCoV. (update 2020-03-12 … Continue reading

Posted in data presentation, data science, epidemiology | 1 Comment

Curiosity`s recent view of Mars

“NASA Curiosity Project Scientist Ashwin Vasavada guides this tour of the rover’s view of the Martian surface.” With a little imagination, feels like a de-vegetated version of the Northern Coastal Ranges of California, looking inland.

Posted in Jet Propulsion Laboratory, NASA | Leave a comment