tab_float (ssb->t,1, i+1, TAB_RIGHT, gs->n, 2, 0);
tab_float (ssb->t,2, i+1, TAB_RIGHT, gs->mean, 8, 2);
tab_float (ssb->t,3, i+1, TAB_RIGHT, gs->std_dev, 8, 2);
tab_float (ssb->t,1, i+1, TAB_RIGHT, gs->n, 2, 0);
tab_float (ssb->t,2, i+1, TAB_RIGHT, gs->mean, 8, 2);
tab_float (ssb->t,3, i+1, TAB_RIGHT, gs->std_dev, 8, 2);