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. 2023 Aug 5;47(1):84. doi: 10.1007/s10916-023-01982-9

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Fig. 2 — The squared error score (SES) has been estimated on a sequentially daily growing fraction of time series data from 10 of March 2020 until the 10 March 2021. A local polynomial regression smoothing (LOESS) has been estimated in the point data with a span of 0.75 and a degree of approximation equal to 2. The vertical dotted lines represent the changes in the model parameterizations