\]    Variable       Theor. value   Fitted value   Std. error   t-value   P($>\lvert t \rvert$)      RMSE   ------------ -------------- -------------- ------------ --------- ----------------------- ---------   $\mu_P$              0.0000         0.0000       0.0000   -0.0000                  0.0000   00.0000   $\sigma_P$           0.0000         0.0000       0.0000   -0.0000                  0.0000    0.0000   $\