Dear Forum
In my code, I am trying to compute Value at risk.
I have an issue as mentioned below:
I have defined 


options(digits = 14)
But my output is something like
>  df$price
[1] 98.7185273         103.10265923  ............
However, if use Excel, I get values as
98.718527356108 103.10265923704
and so on.
Is there any way I can improve on R output accuracy.
Problem is If I use 
options(digits = 20)
I still get same prices as when I was using options(digits = 14) and on the 
other hand my confidence level value, which should be equal to 0.99, gets 
distorted to 0.989999999999 impacting  Value at Risk value.
Please guide
Regards
Maithreyi
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