The Jarque-Bera normality test verifies if the residues of the regression hyper-plane are normal random variables.In this paper we present some numerical and Monte Carlo methods to obtain normal residues if the Jarque-Bera test fails. We consider the case when we know the pdf, the cdf and the...

The aim of the international conference ESPERA 2016 was to present and evaluate the economic scientific research portfolio, to argue and substantiate Romanian development strategies – including European and global best practices. The plenary session and the parallel sections were centered on...

In this paper we will test the homoscedasticity of errors using the Goldfeld-Quandt test and we will classify the points using the explanatory variable by which we sort them. We will also use the Hartley test for the equality of the class error variances (if we have at least two classes). For...