Yesterday, I published this graph: I can't make sense of their report/line chart. Y Axis label is "Cases Per Million Population". Does that mean "Positive test results Per Million people who are alive"? It occurs to me that a chart indicating the ratio of "Positive test … [Read more...]

I've been keeping track of Covid-19 statistics for the US, California and Monterey County since the pandemic started. We're nearing the end of October, and it's apparent that cases are rising nationwide. I'd like to post a set of graphs that privide a snapshot of what I've been … [Read more...]

This is long and involved. If you don't want to see what I went through and how well Apple support did -- or didn't -- do, just scroll down to the bottom of this page. I did manage to solve the problem, with no help from Apple support, although the hoops that they made me jump … [Read more...]

In the current issue of the Carmel Pine Cone, there is an editorial that makes this point:   But one thing we’ve been warned about from the very beginning of this crisis, and which obviously still holds true, is that test results and case rates are inherently unreliable … [Read more...]

Today, I'm going to analyze the Covid-19 epidemic in California, using the stats supplied by the California Department of Public Health (CDPH). In July, a series of CDPH errors resulted in the caseload being underreported, and correction of those errors resulted in overreporting … [Read more...]