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This is an attempt to use motion charts to visualize the daily growth, since January 2020, in US Covid-19 cases (confirmed and deaths) by State and by California county showing the population by bubble size and color by median age, education or income.
The vizualization visualization tool is https://www.charte.ca/, a Motion graphics chart tool. In particular, we use it to visualize the growth in time of Covid-19 cases, using the bubble size for population or population density and colors for education, age, political leaning, income etc.
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- here for an example of the output of covid-us.pl for California counties
- or here for the US.
- and here for the visualization tool https://www.charte.ca/
- here for the actual motion charts
The script also ranks the age, income, and education demographics for each state or county into low, medium, or high based on their tertiles. This is so these demographics can be used with charte.ca's grouping feature.
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N.b. I am having problems with using www.charte.ca as one increases the number of Excel lines of data beyond around 2500. It often times-out after several minutes and asks if I wish to continue to wait, this may happen several times and there appears to be no guarantee it will finally provide a result, instead basically locking up and requiring re-logging into www.charte.ca. This is the reason the data is divided by Jan-Apr and May-Jun.
The motion charts can be found here.
US States Motion Charts of Covid-19 deaths vs confirmed cases
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- Looking at the total deaths vs cases it is seen that New York (NY), Delaware (DE), Massachusetts (MA), Rhode Island (RI) and Connecticut (CT) lead the pack followed by Maryland (MD), Illinois (IL) and more cently Louisiana (LA) but other states are catching up.
- It is a similar situation when one normalizes the states by their populations.
- When one looks at the new daily confirmed cases/Million state population and deaths/Million state population it is seen to be very variable day-to-day.
- Arizona's increased confirmed cases pulled it away from the pack starting May 14, 2020, and Florida pulled away starting May 24, 2020
- The values of new Confirmed cases/day/Million State population appears to decrease as one moves forward in time beyond May 23 but then to increase again (driven by Arizona) starting June 14, 2020. Maybe tgis part of the "opening".
- Comparing the above with the same data but not normalized by state population
- At the start of May there is a noticeable correlation between deaths and confirmed, by the end of June the correlation is much weaker
- At the start of May the deaths and confirmed is dominated by New York (NY), New Jersey (NJ), Illinois (IL), Massachusetts (MA), California (CA) and Maryland (MD). By the end of June California (CA)is still a leader joined by Texas (TX), Florida (FL), Arizona (AZ), and Georgia (GA).
- Looking at the cases with bubbles sized by population density:
- Some states with high population densities such as News New York (NY), New Jersey (NJ) and Massachusetts (MA) have high numbers of confirmed cases while others such as Washington DC, Rhode Island (RI), Delaware (DE) have fairly low numbers of confirmed cases.
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