From: paul sorenson <sourceforge_at_metrak.com>

Date: Thu 01 Dec 2005 - 07:50:23 EST

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu Dec 01 08:00:29 2005

Date: Thu 01 Dec 2005 - 07:50:23 EST

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 series but really useful if there was something that worked with irregular time series.

cheers

R-help@stat.math.ethz.ch mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Thu Dec 01 08:00:29 2005

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