- if (z->mean == SYSMIS || z->std_dev == SYSMIS
- || all_sysmis || input == SYSMIS
- || (!t->include_user_missing
- && var_is_num_user_missing (z->src_var, input)))
+ if (z->mean == SYSMIS || z->std_dev == SYSMIS || all_sysmis
+ || var_is_num_missing (z->src_var, input, t->exclude))