fitVirusCV19varW (Variable weight fitting of SIR Model)

Estimation of coronavirus COVID-19 epidemic evaluation by the SIR model, Code receives and plots most recent data from HDX.

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更新 2020/4/12


This code will retrieve recent data from the HDX and attempt to fit it to a SIR model using structure created by Milan Batista ( The model is data-driven, so its forecast is as good as data are.

This model gives more weight to the most recent data so that the most recent behaviours of people such as social distancing, stay at home and personal hygiene quickly reflect in the fitted SIR model parameters.

Also, it is assumed that the model is a reasonable description of the one-stage epidemic.

Results are saved in structure res (see function fiVirusCV19 header). Optionally the results may be printed by:


The plot may be enabled or disabled via (default is on):


Lateef Adewale Kareem (2023). fitVirusCV19varW (Variable weight fitting of SIR Model) (, MATLAB Central File Exchange. 取得済み .

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作成: R2020a
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acknowledged the use of fminsearchbnd by John D'Errico