```{include} /../core/dataserver/attribute/introducing_tstochastic_attribute/gene_normal_equation.md
```

The mean value of the generalized normal law is $\mu$ while its variance can be written as 
$\sigma^2 = \frac{\alpha^{2} \Gamma(3/\beta)}{\Gamma(1/\beta) }$

```{include} /../core/dataserver/attribute/introducing_tstochastic_attribute/gene_normal_figure.md
```