struct interaction *inter = interaction_create (cmd->indep_var);
ws.vws[v].cat = categoricals_create (&inter, 1, cmd->wv,
cmd->exclude, makeit, updateit,
struct interaction *inter = interaction_create (cmd->indep_var);
ws.vws[v].cat = categoricals_create (&inter, 1, cmd->wv,
cmd->exclude, makeit, updateit,