I've been read a lot of articles, blogs and other online resources about programming R, most of them discuss a lot about it's powerful statistic features. But there are less topics about it's Object-Oriented features, I'm going to navigate these features to construct a Portfolio Management. (PS: all following R code will be in a S4 Style) Define a Bond Class A portfolio means a collection of assets, asset could be different financial products ,like Bond, Future, Stock or other derivatives . We Read more [...]