obs location variety y smk w
1 1 5 195.3 153.1 51.4
2 1 5 194.3 167.7 53.7
3 2 5 189.7 139.5 55.5
4 2 5 180.4 121.1 44.4
5 1 6 203.0 156.8 49.8
6 1 6 195.9 166.0 45.8
7 2 6 202.7 166.1 60.4
8 2 6 197.6 161.8 54.1
9 1 8 193.5 164.5 57.8
10 1 8 187.0 165.1 58.6
11 2 8 201.5 166.8 65.0
12 2 8 200.0 173.8 67.2