Resumes
Johan Lotter’s resume can be found here.
Johan Lotter’s resume can be found here.
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Ming, the mollusk, was estimated by by a team of researchers to be 507 years ago, making it the oldest living animal recorded. Ming is a quahog or clam. You can tell the age of the clam by counting the rings in its shell. Aging a quahog is essentially the same as aging a tree. …
Is there an upper limit to lifespan? Lessons from Telomeres, Tortoises and Mollusks. Read More »
We have a new dedicated page for tracking the state of the U.S. 2016 presidential race. It can be found here: 2016 U.S. Presidential Race
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Quick Post Quick Post Howard September 24, 2019 R Markdown Test math \(E=mc^2\) a=1:100 plot(a^2 ~ a, type="l")
quick_post3.utf8.md R Markdown This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see http://rmarkdown.rstudio.com. When you click the Knit button a document will be generated that includes both content as well as the output of any embedded …
Covid-19 Progression Analysis Introduction This updates a prior post analyzing the growth rate of Covid-19 infections and deaths by country. The analysis is conducted as of 2020-03-24 The daily growth rate of cumulative confirmed cases and deaths are calculated as: \(G_{confirmed}=growth~rate~confirmed=log(Confirmed_t / Confirmed_{t-1})\) \(G_{deaths}=growth~rate~deaths=log(Deaths_t / Deaths_{t-1})\) Using this formulation, the total growth after \(d\) days …
Introduction In analyzing the growth trajectories of the Coronavirus, a key question is whether the US and other countries are going to follow the explosion of cases and deaths in Italy or are going to level out, as is being experienced in China and South Korea. My view is that in an exponential growth scenario …