In the last decade, open source programming technology is widely used among statisticians for developing a new statistical software and data analysis. This is R software environment and the main objective of this paper is to underline the importance of R for statistical computations, data...

In recent years more and more complex software packages and more specialized are used to model and to explain economic process. In this paper we present a study on Romanian’s capital market volatility in ARCH and GARCH models using programming environment “R” as new statistical software....