st: Midas- initial values not feasible=error

[Jannik Helweg-Larsen <Jannik.Helweg-Larsen@regionh.dk>]

I have trouble with the user written program Midas, which performs
diagnostic meta-analysis

available at SSC: package midas ( Using Stata 11.2 MP, fully updated on
Win XP)

Using the dataset below I get the following error:

midas tp fp tn fn, res(all)

initial values not feasible

Is there anything I can do?

studyid tp fp fn tn
1 12 30 0 123
2 22 6 0 186
3 17 63 0 273
4 8 16 0 29
5 31 35 0 334
6 11 21 0 118
7 12 8 1 63
8 9 18 0 78
9 35 46 0 448
10 21 12 0 152
11 17 16 0 77
12 9 2 0 12
13 39 6 1 241
14 7 4 0 21
15 9 5 0 27
16 13 36 0 164
17 7 11 0 16
18 25 25 0 77
19 31 7 3 87
20 53 38 0 11
21 60 75 0 160
22 24 11 0 46
23 5 5 0 71
24 2 30 6 33
25 45 8 9 75
26 11 1 0 62
27 11 1 0 9
28 24 18 1 84
29 27 0 0 38
30 26 9 0 17
31 53 16 0 33
32 16 7 0 24

Jannik Helweg-Larsen, MD
Copenhagen






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