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EVI  

Epidemic Volatility Index as an Early-Warning Tool
View on CRAN: Click here


Download and install EVI package within the R console
Install from CRAN:
install.packages("EVI")

Install from Github:
library("remotes")
install_github("cran/EVI")

Install by package version:
library("remotes")
install_version("EVI", "0.2.0-0")



Attach the package and use:
library("EVI")
Maintained by
Konstantinos Pateras
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2022-03-30
Latest Update: 2023-12-05
Description:
This is an R package implementing the epidemic volatility index (EVI), as discussed by Kostoulas et. al. (2021) and variations by Pateras et. al. (2023). EVI is a new, conceptually simple, early warning tool for oncoming epidemic waves. EVI is based on the volatility of newly reported cases per unit of time, ideally per day, and issues an early warning when the volatility change rate exceeds a threshold.
How to cite:
Konstantinos Pateras (2022). EVI: Epidemic Volatility Index as an Early-Warning Tool. R package version 0.2.0-0, https://cran.r-project.org/web/packages/EVI. Accessed 07 Aug. 2026.
Previous versions and publish date:
0.1.1-4 (2022-03-30 20:00), (2026-07-09 08:02)
Other packages that cited EVI R package
View EVI citation profile
Other R packages that EVI depends, imports, suggests or enhances
Complete documentation for EVI
Functions, R codes and Examples using the EVI R package
Some associated functions: EVI-package . Italy . deviant . deviant_update . evi.graphs . evi . evifcut . indic . medvol . mova . rollsd . status . 
Some associated R codes: EVI-package.R . EVI.graphs.R . Italy.R . deviant.R . deviant_update.R . evi.R . evifcut.R . global.R . indic.R . medvol.R . mova.R . rollsd.R . status.R .  Full EVI package functions and examples
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