DrawdownDeviation: Calculates a standard deviation-type statistic using individual drawdowns.
Description
DD = sqrt(sum[j=1,2,...,d](D_j^2/n)) where
D_j = jth drawdown over the entire period
d = total number of drawdowns in entire period
n = number of observations
Usage
DrawdownDeviation(R, ...)
Arguments
- R
an xts, vector, matrix, data frame, timeSeries or zoo object of
asset returns
- ...
any other passthru parameters