R help - Jul 2014 - need help for ppval() and xirr() in R

Hi ,

My name is sowmya.

I am new to R language. I need "ppval()" and "xirr()" matlab
function  in
R.
What exactly ppval() in matlab does , i need to that in R language.
Even xirr() of matlab ,i need it in R language, with the packages which it
needs .
Please help.

Thanks
sowmyaR

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