if a solitr resulted in some error, resusd (and objval) would be NA
adding next solitr's resusd would still be NA
E.g.
$ nashstat -a ./output/SSP2EU_PBS-NPi-calibrate_fast_2024-03-21_16.01.30/fulldata_01.gdx | sed -n '/^ 58/,/^$/ p'
58 solvestat modelstat resusd objval
CAZ normal completion locally optimal 178.863 7.13680651610885
CHA terminated by solver feasible solution 1064.384 63.6267564043344
EUR normal completion locally optimal 550.479 40.8219747705235
IND normal completion locally optimal 429.799 32.8488696846889
JPN normal completion locally optimal 353.987 8.09839448471788
LAM normal completion locally optimal 270.285 45.3837159515231
MEA terminated by solver feasible solution 289.894 45.3708387332332
NEU normal completion locally optimal 189.139 9.18595503758698
OAS normal completion locally optimal 342.464 75.8974121937532
REF normal completion locally optimal NA 17.4658963610186
SSA normal completion locally optimal 365.984 94.1888131959033
USA normal completion locally optimal 358.75 32.9330008820871
E.g.