| span_bj | Britten<e2><80><93>Jones Tangency-Portfolio Spanning Test (1999) |
| span_f1 | F1 Alpha-Spanning Test (Intercepts Only) |
| span_f2 | F2 Variance-Spanning Test (Slopes Only) |
| span_gl_a | Gungor<e2><80><93>Luger Alpha-Only Spanning Test (2016) |
| span_gl_ad | Gungor<e2><80><93>Luger Joint Mean<e2><80><93>Variance Spanning Test (2016) |
| span_grs | Gibbons<e2><80><93>Ross<e2><80><93>Shanken (GRS) Alpha Spanning Test (1989) |
| span_hk | Huberman<e2><80><93>Kandel Joint Mean<e2><80><93>Variance Spanning Test (1987) |
| span_km | Kempf<e2><80><93>Memmel GMVP Spanning Test |
| span_py | Pesaran<e2><80><93>Yamagata Alpha Spanning Test (2024) |