It may be an interesting quality control cross-classification.    From Wordnik.com.  [ARMA (1,1) Coefficients for CRU Gridcells « Climate Audit] Reference

Furthermore, Dupré (1993, 38) argues that cross-classification occurs even within the context of a science.    From Wordnik.com.  [Natural Kinds] Reference

“Multiplicative models for the analysis of occupational mobility tables and other kinds of cross-classification tables.”.    From Wordnik.com.  [The Population of the United States] Reference

To measure the socioeconomic position of participants, we used an indicator of social class that derives from the cross-classification of occupation and educational attainment of the head of family (main income earner).    From Wordnik.com.  [Journal of Medical Internet Research] Reference

Class 3A: Usually, league contests are featured this late in the season, but this nonleague, cross-classification contest deserves mention - No. 4 Steamboat Springs at Buena Vista, which broke into the 2A rankings at No. 10 this week as leaders of the Mountain League.    From Wordnik.com.  [RockyMountainNews.com] Reference