{
int var_idx = pivot_category_create_leaf (
variables->root, pivot_value_new_variable (roc->vars[i]));
pivot_table_put2 (table, 0, var_idx, pivot_value_new_number (rs[i].auc));
{
int var_idx = pivot_category_create_leaf (
variables->root, pivot_value_new_variable (roc->vars[i]));
pivot_table_put2 (table, 0, var_idx, pivot_value_new_number (rs[i].auc));