void order_stats_dump (const struct order_stats *os);
+void
+order_stats_accumulate_idx (struct order_stats **os, size_t nos,
+ struct casereader *reader,
+ int wt_idx,
+ int val_idx);
+
+
void order_stats_accumulate (struct order_stats **ptl, size_t nos,
struct casereader *reader,
const struct variable *wv,