Arguments
R
a vector, matrix, data frame, timeSeries or zoo object of asset returns
ci
confidence interval, defaults to 95%
scale
number of periods in a year (daily scale = 252, monthly scale = 12, quarterly scale = 4)
rf
risk free rate, in same period as your returns
MAR
Minimum Acceptable Return, in the same periodicity as your returns
p
confidence level for calculation, default p=.99
digits
number of digits to round results to