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2005 Nov 30
3
calculating IRR (accounting) in R
I am trying to replace a spreadsheet model of a project justification 
with an R script.
I can't seem to track down R functions to calculate Internal Rate of 
Return and NPV?  Am I missing something?  NPV doesn't seem so difficult 
to calculate (at least for a regular series) but I am struggling to 
identify how to solve for IRR in R.
It would be sufficient if it worked for a regular