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 investment funds volatility in ARCH and GARCH models using programming environment “R”. Representative elements of...

It is a well-known aspect that the different segments of financial market don’t work distinctly. The specific phenomena and processes of a certain area are strongly influenced by the adjacent area’s evolution and, in the same manner, these are influencing the related activity segments. This...

Nowadays knowledge is power. In the informational era, the ability to manipulate large datasets is essential for making long term strategies. More and more companies and official statistics offices need to use large databases but also by increasing the volume of data it increases the complexity...

In a globalization world, international migration will become a more and more dynamic process, multi-dimensional, and very difficult to forecast. The real dimension of the international migration flows in Romania is unknown, data on migration are provided by the administrative sources (end of...

The paper presents the importance of the green economy for Romania in the context of sustainable development. It is known the critical state of environment, unsustainable exploitation of natural resources and population’s poverty. These phenomena are manifesting almost in all Europe that which...

Biodiversity is in decline globally and major ecosystems are placed under increasing pressure. Global poverty persists; the Millennium Development Goals would need major efforts to be achieved. This paper will explore the perspective for a new energy sector economy in relation to climate change...

The main objective of this paper is to expose the evolution of R, as the most used data analysis tool among statisticians and the academic researchers. Its flexibility and complexity simply gained the statisticians and data scientists. The paper examines some of the reasons behind the popularity...

Multivariate data analysis in the context of autoregressive models has evolved as a standard instrument in econometrics. In present, there are developed packages available in R for estimating time series models; one of the most useful package is vars (Pfaff, 2008) containing functions for...