Internal Rate of Return
Calculates internal rate of return for a series of cash flows, and provides a time diagram of the cash flows.
IRR(cf0,cf,times,plot=FALSE)
cf0 |
cash flow at period 0 |
cf |
vector of cash flows |
times |
vector of the times for each cash flow |
plot |
option whether or not to provide the time diagram |
cf0=∑_{k=1}^n\frac{cf_k}{(1+irr)^{times_k}}
The internal rate of return.
Periods in t must be positive integers.
Uses polyroot function to solve equation given by series of cash flows, meaning that in the case of having a negative IRR, multiple answers may be returned.
Kameron Penn and Jack Schmidt
IRR(cf0=1,cf=c(1,2,1),times=c(1,3,4)) IRR(cf0=100,cf=c(1,1,30,40,50,1),times=c(1,1,3,4,5,6))
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