This paper proposes a grade regression model with beta distribution using the classical methodology and its implementation in R. The main objective is to evaluate the beta regression to estimate the discount obligations ...

Recently CRM (customer relationship management) applications and loyalty schemes have become massive, allowing companies to get more information about their customers and monitor their transactions. It is information in ...

The area of information security that belong to the DEPOSIT have the duty to develop monitoring activities with the main objective of preserve the information assets of the enterprise ,so that, can safeguard their ...

This paper is proposed a calibrated estimator for impact evaluation by instrumental variables, because as has been proven in various studies this technique is robust and e cient . Through simulations is determined that the ...

It is relevant having to calculate the resources needed by the state to comply with regulations pension scheme average premium. Within the development of this work it is to make a prediction and appropriate calculations ...

This work is about the comparison between two strategies of two stages sampling through estimated coe cients of variation (ECV) produced by each strategy. The rst strategy is a sampling proportional to a variable of ...