ewmaVol | R Documentation |
Exponential Weighted Moving Average (EWMA) Volitility
ewmaVol(x, nstart = 10, robVol = T, cc = 2.5, lambda = 0.9)
x |
returns of the portfolio |
nstart |
|
robVol |
if the robust vol is used, default is T |
cc |
|
lambda |
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