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. 2008 Feb 5;9(3):540–554. doi: 10.1093/biostatistics/kxm051

Table 2.

Number of coefficients set to 0 by subset selection for the SF and MF using parameterization WIII

Single level Multilevel
K k1 {βk = 0} (M, K) kl1 {βkl = 0} Multilevel constraints
5 7 (5, 4) 5 2
6 7 (6, 5) 11 2
7 7 (7, 6) 2 2
8 5 (8, 7) 4 2
9 6 (9, 7) 4 4
10 9 (10, 8) 4 4
11 7 (11, 8) 11 6
12 10 (12, 10) 6 4