Austria                 Cases of the first 149 days of the Covid-19
                        pandemic in Austria.
Italy                   Cases of the first 149 days of the Covid-19
                        pandemic in Italy.
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
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
