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Net Present Value of an irregular cashflow (NPV)
xnpv(i, cf, d, tau = NULL, comp_freq = 1)
The rate used to discount the cashflow
The cashflow
The dates when each cashflow occurs. Same length as the cashflow. Only used if tau is NULL. Assumes act/365 fractions
The year fractions when each cashflow occurs. Same length as the cashflow
The compounding frequency used. Most relevant cases are 1 for yearly, 2 twice a year, 4 quarterly, 12 monthly, 0 no compounding, Inf continuous
xnpv(i = 0.01, cf = c(-1, 0.5, 0.9), d = as.Date(c("2015-01-01", "2015-02-15", "2015-04-10")))
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