Also, it is always a good idea to post your sample data as a data step. Like this
data WASP;
input Host_mass Clutch_size Adult_Males Adult_Females Brood_size Mating_status$;
datalines;
9 3 1 1 2 Mated
12 5 0 0 0 Mated
12 5 1 2 3 Mated
12 7 1 5 6 Mated
12 7 0 0 0 Virgin
12 8 1 5 6 Mated
12 9 5 0 5 Virgin
13 5 5 0 5 Virgin
13 5 0 0 0 Virgin
13 9 0 0 0 Virgin
14 1 0 0 0 Mated
14 3 0 0 0 Mated
14 3 0 0 0 Mated
14 5 4 0 4 Virgin
14 5 4 0 4 Virgin
14 5 5 0 5 Virgin
14 7 2 4 6 Mated
15 4 4 0 4 Virgin
15 5 5 0 5 Virgin
15 7 2 4 6 Mated
15 8 1 3 4 Mated
16 2 0 1 1 Mated
16 6 5 0 5 Virgin
17 4 0 4 4 Mated
17 5 1 4 5 Mated
17 10 4 0 4 Virgin
18 7 1 5 6 Mated
18 7 6 0 6 Virgin
18 8 7 0 7 Virgin
19 3 2 0 2 Virgin
19 6 4 0 4 Virgin
19 7 7 0 7 Virgin
20 7 0 4 4 Mated
20 7 6 0 6 Virgin
20 11 9 0 9 Virgin
21 6 0 0 0 Mated
21 7 1 5 6 Mated
21 8 8 0 8 Virgin
21 9 2 6 8 Mated
21 9 5 0 5 Virgin
22 4 4 0 4 Virgin
22 5 1 4 5 Mated
22 6 1 4 5 Mated
22 9 0 7 7 Mated
22 11 2 7 9 Mated
22 16 15 0 15 Virgin
23 9 1 5 6 Mated
23 10 1 9 10 Mated
24 3 0 0 0 Virgin
24 3 0 0 0 Virgin
24 6 3 0 3 Virgin
25 7 7 0 7 Virgin
25 8 8 0 8 Virgin
26 19 9 0 9 Virgin
27 7 2 2 4 Mated
28 8 8 0 8 Virgin
28 10 10 0 10 Virgin
28 15 14 0 14 Virgin
29 6 0 4 4 Mated
29 11 2 8 10 Mated
30 10 2 7 9 Mated
30 10 1 6 7 Mated
31 9 1 7 8 Mated
31 14 2 11 13 Mated
32 9 2 7 9 Mated
32 11 2 9 11 Mated
32 11 11 0 11 Virgin
32 11 11 0 11 Virgin
32 12 1 11 12 Mated
34 10 1 8 9 Mated
35 13 1 11 12 Mated
35 16 15 0 15 Virgin
36 10 2 8 10 Mated
36 16 16 0 16 Virgin
36 16 13 0 13 Virgin
37 11 2 8 10 Mated
37 15 13 0 13 Virgin
37 17 17 0 17 Virgin
38 10 2 8 10 Mated
38 15 15 0 15 Virgin
39 14 3 10 13 Mated
40 16 3 11 14 Mated
40 16 16 0 16 Virgin
40 16 13 0 13 Virgin
41 13 2 11 13 Mated
42 13 11 0 11 Virgin
44 12 1 11 12 Mated
44 12 12 0 12 Virgin
44 13 2 10 12 Mated
44 13 2 10 12 Mated
45 12 2 9 11 Mated
45 15 2 11 13 Mated
46 14 4 9 13 Mated
46 14 3 11 14 Mated
47 11 2 8 10 Mated
47 15 1 14 15 Mated
48 14 14 0 14 Virgin
49 13 12 0 12 Virgin
50 14 14 0 14 Virgin
52 16 2 14 16 Mated
58 17 16 0 16 Virgin
;
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