Convex-Concave fitting to successively updated data and its application to covid-19 analysis.

J Comb Optim · 2022 · PMC9244135 · PMID 35789580

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a clear trendno p-value reported

As can be seen, up until the middle of July 2021, the cases data are generally non-diffuse, closely following a clear trend and inflecting, from convexity to concavity, in early July.

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