Illinois Daily Reported deaths c-chart center line (solid) and upper limit (dashed);daily events after first special cause signal do not show exponential growth 600 400 200 Oct 2021 Jan 2022 Apr 2022 Jul 2022 Oct 2022 Ilinois COVID-19 Daily Reported Deaths from 10/21-10/22 Source: httpsdraw.githubusercontent.comytimes/covid-19-data/master/us-states.cov, 2022-10-14COVID-19 Control Chart Application Overview Upload Data Display Basic Chart Log chart Calculation Details Build a control chart by choosing location and adjusting options c-chart plus values after initial signal, no sign of exponential growth Parameter values: format work pending Choose data source Show 10 v entries Search: US state-level NY Times data Parameter Value Choose event column Observations since first reported event 378 deaths Date of first reported event 2021-10-01 Date of c-chart signal 2021-10-01 Choose location Number of records used to fit the regression 21 Illinois Slope of log10 events vs day -0.003 Add caption to chart to comment on the Intercept of log10 events vs day 1.72 data quality or implications Days to double daily reported events, exponential phase Illinois COVID-19 Daily Reported Deaths from 10/21-10/22 Lower limit of 95% Cl for slope -0.018 Caption will be included in the downloaded image Showing 1 to 8 of 8 entries Previous 1 Next of the chart. Show additional options Days beyond end of data series: extend curve and limits