[R] calculating IRR (accounting) in R

paul sorenson paul at metrak.com
Thu Dec 1 11:07:55 CET 2005

paul sorenson wrote:
> I can't seem to track down R functions to calculate Internal Rate of 
> Return and NPV?

Thanks for the answers people.  Comparing the answers with what Excel 
pops out shows just how assumptions can vary.  In particular whether the 
first payment is at T0 or T1.


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