Hi,
I did volatility modelling before using R and Stata.
If you interested please share the data and requirements and related files to review. I am confident enough to help you.
Regards
Ismail
Hello, I'm David
I can provide you perfect work as you looking for .
we can discuss more in chat .
I will be waiting for your response .
I have very great experience about your project , if you want discuss more please send me a text
Thank you