One of the simplest models of infection is the SIR model, a set of differential equations that describes how people in a population infect each other and eventually recover, transitioning between three compartments, from Susceptible to Infected to Recovered, although, because the model uses “Recovered” as the category for people who have died, some people … Read more
The three coronavirus metrics that most jurisdictions are publishing are cases, hospitalizations and deaths. The number of cases depends on the extent of testing, but the number of hospitalizations and deaths do not, at least not to the same extent, because while there are a lot of people who may have an infection and not … Read more
Pedestrian counts from San Diego’s smart streetlamps indicates that San Diegans responded strongly to stay at home orders, but the data has some weaknesses.
Know your S curves from your bell curves: A short primer on the main types of curves we see in plots of coronavirus data.
It looks like San Diego has hit its peak in new coronavirus cases, with a notable downturn in the rate of change of daily cases.