R: Epidemic Volatility Index as an Early-Warning Tool

# Epidemic Volatility Index as an Early-Warning Tool

## Documentation for package ‘EVI’ version 0.2.0-0

- DESCRIPTION file
- User guides, package vignettes and other documentation
- Package README

## Help Pages

Austria | Cases of the first 149 days of the Covid-19 pandemic in Austria.
cEVI_fun | Calculation of the convergence Epidemic Volatility Index
deviant | This function produces the Epidemic Volatility Index based output data (beta)
deviant_update | This function is used after first running the deviant function
evi | Calculation of the Epidemic Volatility Index
evi.graphs | This function produces plots of the time series data with the EVI predictions.
evifcut | Sensitivity-Specificity estimation for each cut-off value and rolling window size
evirlap | Combining multiple epidemic volatility indices into a multi-early warning index plot
indic | Issue of an Early Warning
Italy | Cases of the first 149 days of the Covid-19 pandemic in Italy.
medvol | Function that calculates the standard deviation
mova | Function that calculates the moving average of a time series
rollsd | Rolling standard deviation
status | A function that defines the true status based on the case definition