Asynchronous Optimization via Grid Search
Source:R/OptimizerAsyncGridSearch.R
mlr_optimizers_async_grid_search.RdOptimizerAsyncGridSearch class that implements a grid search.
The grid is constructed as a Cartesian product over discretized values per parameter, see paradox::generate_design_grid().
The points of the grid are evaluated in a random order.
Source
Bergstra J, Bengio Y (2012). “Random Search for Hyper-Parameter Optimization.” Journal of Machine Learning Research, 13(10), 281–305. https://jmlr.csail.mit.edu/papers/v13/bergstra12a.html.
Dictionary
This Optimizer can be instantiated via the dictionary
mlr_optimizers or with the associated sugar function opt():
Super classes
bbotk::Optimizer -> bbotk::OptimizerAsync -> OptimizerAsyncGridSearch
Methods
Inherited methods
Examples
# example only runs if a Redis server is available
if (mlr3misc::require_namespaces(c("rush", "redux", "mirai"), quietly = TRUE) &&
redux::redis_available()) {
# define the objective function
fun = function(xs) {
list(y = - (xs[[1]] - 2)^2 - (xs[[2]] + 3)^2 + 10)
}
# set domain
domain = ps(
x1 = p_dbl(-10, 10),
x2 = p_dbl(-5, 5)
)
# set codomain
codomain = ps(
y = p_dbl(tags = "maximize")
)
# create objective
objective = ObjectiveRFun$new(
fun = fun,
domain = domain,
codomain = codomain,
properties = "deterministic"
)
# start workers
rush::rush_plan(worker_type = "remote")
mirai::daemons(1)
# initialize instance
instance = oi_async(
objective = objective,
terminator = trm("evals", n_evals = 20)
)
# load optimizer
optimizer = opt("async_grid_search", resolution = 10)
# trigger optimization
optimizer$optimize(instance)
# all evaluated configurations
instance$archive
# best performing configuration
instance$archive$best()
# covert to data.table
as.data.table(instance$archive)
}
#> state x1 x2 y timestamp_xs pid
#> <char> <num> <num> <num> <POSc> <int>
#> 1: finished -10.000000 -5.0000000 -138.00000 2026-02-28 07:04:04 8761
#> 2: finished -10.000000 -3.8888889 -134.79012 2026-02-28 07:04:04 8761
#> 3: finished -10.000000 -2.7777778 -134.04938 2026-02-28 07:04:04 8761
#> 4: finished -10.000000 -1.6666667 -135.77778 2026-02-28 07:04:04 8761
#> 5: finished -10.000000 -0.5555556 -139.97531 2026-02-28 07:04:04 8761
#> 6: finished -10.000000 0.5555556 -146.64198 2026-02-28 07:04:04 8761
#> 7: finished -10.000000 1.6666667 -155.77778 2026-02-28 07:04:04 8761
#> 8: finished -10.000000 2.7777778 -167.38272 2026-02-28 07:04:04 8761
#> 9: finished -10.000000 3.8888889 -181.45679 2026-02-28 07:04:04 8761
#> 10: finished -10.000000 5.0000000 -198.00000 2026-02-28 07:04:04 8761
#> 11: finished -7.777778 -5.0000000 -89.60494 2026-02-28 07:04:04 8761
#> 12: finished -7.777778 -3.8888889 -86.39506 2026-02-28 07:04:04 8761
#> 13: finished -7.777778 -2.7777778 -85.65432 2026-02-28 07:04:04 8761
#> 14: finished -7.777778 -1.6666667 -87.38272 2026-02-28 07:04:04 8761
#> 15: finished -7.777778 -0.5555556 -91.58025 2026-02-28 07:04:04 8761
#> 16: finished -7.777778 0.5555556 -98.24691 2026-02-28 07:04:04 8761
#> 17: finished -7.777778 1.6666667 -107.38272 2026-02-28 07:04:04 8761
#> 18: finished -7.777778 2.7777778 -118.98765 2026-02-28 07:04:04 8761
#> 19: finished -7.777778 3.8888889 -133.06173 2026-02-28 07:04:04 8761
#> 20: finished -7.777778 5.0000000 -149.60494 2026-02-28 07:04:04 8761
#> 21: failed 10.000000 5.0000000 NA 2026-02-28 07:04:04 NA
#> 22: failed 10.000000 3.8888889 NA 2026-02-28 07:04:04 NA
#> 23: failed 10.000000 2.7777778 NA 2026-02-28 07:04:04 NA
#> 24: failed 10.000000 1.6666667 NA 2026-02-28 07:04:04 NA
#> 25: failed 10.000000 0.5555556 NA 2026-02-28 07:04:04 NA
#> 26: failed 10.000000 -0.5555556 NA 2026-02-28 07:04:04 NA
#> 27: failed 10.000000 -1.6666667 NA 2026-02-28 07:04:04 NA
#> 28: failed 10.000000 -2.7777778 NA 2026-02-28 07:04:04 NA
#> 29: failed 10.000000 -3.8888889 NA 2026-02-28 07:04:04 NA
#> 30: failed 10.000000 -5.0000000 NA 2026-02-28 07:04:04 NA
#> 31: failed 7.777778 5.0000000 NA 2026-02-28 07:04:04 NA
#> 32: failed 7.777778 3.8888889 NA 2026-02-28 07:04:04 NA
#> 33: failed 7.777778 2.7777778 NA 2026-02-28 07:04:04 NA
#> 34: failed 7.777778 1.6666667 NA 2026-02-28 07:04:04 NA
#> 35: failed 7.777778 0.5555556 NA 2026-02-28 07:04:04 NA
#> 36: failed 7.777778 -0.5555556 NA 2026-02-28 07:04:04 NA
#> 37: failed 7.777778 -1.6666667 NA 2026-02-28 07:04:04 NA
#> 38: failed 7.777778 -2.7777778 NA 2026-02-28 07:04:04 NA
#> 39: failed 7.777778 -3.8888889 NA 2026-02-28 07:04:04 NA
#> 40: failed 7.777778 -5.0000000 NA 2026-02-28 07:04:04 NA
#> 41: failed 5.555556 5.0000000 NA 2026-02-28 07:04:04 NA
#> 42: failed 5.555556 3.8888889 NA 2026-02-28 07:04:04 NA
#> 43: failed 5.555556 2.7777778 NA 2026-02-28 07:04:04 NA
#> 44: failed 5.555556 1.6666667 NA 2026-02-28 07:04:04 NA
#> 45: failed 5.555556 0.5555556 NA 2026-02-28 07:04:04 NA
#> 46: failed 5.555556 -0.5555556 NA 2026-02-28 07:04:04 NA
#> 47: failed 5.555556 -1.6666667 NA 2026-02-28 07:04:04 NA
#> 48: failed 5.555556 -2.7777778 NA 2026-02-28 07:04:04 NA
#> 49: failed 5.555556 -3.8888889 NA 2026-02-28 07:04:04 NA
#> 50: failed 5.555556 -5.0000000 NA 2026-02-28 07:04:04 NA
#> 51: failed 3.333333 5.0000000 NA 2026-02-28 07:04:04 NA
#> 52: failed 3.333333 3.8888889 NA 2026-02-28 07:04:04 NA
#> 53: failed 3.333333 2.7777778 NA 2026-02-28 07:04:04 NA
#> 54: failed 3.333333 1.6666667 NA 2026-02-28 07:04:04 NA
#> 55: failed 3.333333 0.5555556 NA 2026-02-28 07:04:04 NA
#> 56: failed 3.333333 -0.5555556 NA 2026-02-28 07:04:04 NA
#> 57: failed 3.333333 -1.6666667 NA 2026-02-28 07:04:04 NA
#> 58: failed 3.333333 -2.7777778 NA 2026-02-28 07:04:04 NA
#> 59: failed 3.333333 -3.8888889 NA 2026-02-28 07:04:04 NA
#> 60: failed 3.333333 -5.0000000 NA 2026-02-28 07:04:04 NA
#> 61: failed 1.111111 5.0000000 NA 2026-02-28 07:04:04 NA
#> 62: failed 1.111111 3.8888889 NA 2026-02-28 07:04:04 NA
#> 63: failed 1.111111 2.7777778 NA 2026-02-28 07:04:04 NA
#> 64: failed 1.111111 1.6666667 NA 2026-02-28 07:04:04 NA
#> 65: failed 1.111111 0.5555556 NA 2026-02-28 07:04:04 NA
#> 66: failed 1.111111 -0.5555556 NA 2026-02-28 07:04:04 NA
#> 67: failed 1.111111 -1.6666667 NA 2026-02-28 07:04:04 NA
#> 68: failed 1.111111 -2.7777778 NA 2026-02-28 07:04:04 NA
#> 69: failed 1.111111 -3.8888889 NA 2026-02-28 07:04:04 NA
#> 70: failed 1.111111 -5.0000000 NA 2026-02-28 07:04:04 NA
#> 71: failed -1.111111 5.0000000 NA 2026-02-28 07:04:04 NA
#> 72: failed -1.111111 3.8888889 NA 2026-02-28 07:04:04 NA
#> 73: failed -1.111111 2.7777778 NA 2026-02-28 07:04:04 NA
#> 74: failed -1.111111 1.6666667 NA 2026-02-28 07:04:04 NA
#> 75: failed -1.111111 0.5555556 NA 2026-02-28 07:04:04 NA
#> 76: failed -1.111111 -0.5555556 NA 2026-02-28 07:04:04 NA
#> 77: failed -1.111111 -1.6666667 NA 2026-02-28 07:04:04 NA
#> 78: failed -1.111111 -2.7777778 NA 2026-02-28 07:04:04 NA
#> 79: failed -1.111111 -3.8888889 NA 2026-02-28 07:04:04 NA
#> 80: failed -1.111111 -5.0000000 NA 2026-02-28 07:04:04 NA
#> 81: failed -3.333333 5.0000000 NA 2026-02-28 07:04:04 NA
#> 82: failed -3.333333 3.8888889 NA 2026-02-28 07:04:04 NA
#> 83: failed -3.333333 2.7777778 NA 2026-02-28 07:04:04 NA
#> 84: failed -3.333333 1.6666667 NA 2026-02-28 07:04:04 NA
#> 85: failed -3.333333 0.5555556 NA 2026-02-28 07:04:04 NA
#> 86: failed -3.333333 -0.5555556 NA 2026-02-28 07:04:04 NA
#> 87: failed -3.333333 -1.6666667 NA 2026-02-28 07:04:04 NA
#> 88: failed -3.333333 -2.7777778 NA 2026-02-28 07:04:04 NA
#> 89: failed -3.333333 -3.8888889 NA 2026-02-28 07:04:04 NA
#> 90: failed -3.333333 -5.0000000 NA 2026-02-28 07:04:04 NA
#> 91: failed -5.555556 5.0000000 NA 2026-02-28 07:04:04 NA
#> 92: failed -5.555556 3.8888889 NA 2026-02-28 07:04:04 NA
#> 93: failed -5.555556 2.7777778 NA 2026-02-28 07:04:04 NA
#> 94: failed -5.555556 1.6666667 NA 2026-02-28 07:04:04 NA
#> 95: failed -5.555556 0.5555556 NA 2026-02-28 07:04:04 NA
#> 96: failed -5.555556 -0.5555556 NA 2026-02-28 07:04:04 NA
#> 97: failed -5.555556 -1.6666667 NA 2026-02-28 07:04:04 NA
#> 98: failed -5.555556 -2.7777778 NA 2026-02-28 07:04:04 NA
#> 99: failed -5.555556 -3.8888889 NA 2026-02-28 07:04:04 NA
#> 100: failed -5.555556 -5.0000000 NA 2026-02-28 07:04:04 NA
#> state x1 x2 y timestamp_xs pid
#> <char> <num> <num> <num> <POSc> <int>
#> worker_id timestamp_ys
#> <char> <POSc>
#> 1: academical_guineapig 2026-02-28 07:04:05
#> 2: academical_guineapig 2026-02-28 07:04:05
#> 3: academical_guineapig 2026-02-28 07:04:05
#> 4: academical_guineapig 2026-02-28 07:04:05
#> 5: academical_guineapig 2026-02-28 07:04:05
#> 6: academical_guineapig 2026-02-28 07:04:05
#> 7: academical_guineapig 2026-02-28 07:04:05
#> 8: academical_guineapig 2026-02-28 07:04:05
#> 9: academical_guineapig 2026-02-28 07:04:05
#> 10: academical_guineapig 2026-02-28 07:04:05
#> 11: academical_guineapig 2026-02-28 07:04:05
#> 12: academical_guineapig 2026-02-28 07:04:05
#> 13: academical_guineapig 2026-02-28 07:04:05
#> 14: academical_guineapig 2026-02-28 07:04:05
#> 15: academical_guineapig 2026-02-28 07:04:05
#> 16: academical_guineapig 2026-02-28 07:04:05
#> 17: academical_guineapig 2026-02-28 07:04:05
#> 18: academical_guineapig 2026-02-28 07:04:05
#> 19: academical_guineapig 2026-02-28 07:04:05
#> 20: academical_guineapig 2026-02-28 07:04:05
#> 21: <NA> <NA>
#> 22: <NA> <NA>
#> 23: <NA> <NA>
#> 24: <NA> <NA>
#> 25: <NA> <NA>
#> 26: <NA> <NA>
#> 27: <NA> <NA>
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#> 95: <NA> <NA>
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#> 98: <NA> <NA>
#> 99: <NA> <NA>
#> 100: <NA> <NA>
#> worker_id timestamp_ys
#> <char> <POSc>
#> keys message x_domain_x1
#> <char> <char> <num>
#> 1: ad0717f0-92c1-453a-9925-f6eec9a060dc <NA> -10.000000
#> 2: e6007fbe-b97a-4d25-b0f9-ae31c2f08869 <NA> -10.000000
#> 3: a0c70d93-6fa9-4712-bd63-445f07cbcd9e <NA> -10.000000
#> 4: dd6296f0-5a35-4105-849c-98daaff3bb65 <NA> -10.000000
#> 5: cbc314e0-ca71-4972-a074-6005e5827dee <NA> -10.000000
#> 6: 589bfa3a-ba7d-4623-adb1-9d10ce23f823 <NA> -10.000000
#> 7: 83307eee-c36b-4383-8f1b-80c90f56bde1 <NA> -10.000000
#> 8: f99972ba-6d79-4abc-9b2c-705eb928f7a3 <NA> -10.000000
#> 9: 55d27dbf-e384-4586-9047-a5e05a769ad3 <NA> -10.000000
#> 10: fc0dae6c-62dd-4f06-b6fc-ffa8fc28a2eb <NA> -10.000000
#> 11: b234ebfd-0aea-449e-bde1-de178f91e201 <NA> -7.777778
#> 12: f6b28777-2d24-44ef-aa3a-d2ae0f0f5803 <NA> -7.777778
#> 13: 07b9f394-5e96-468a-a9fe-040e69e6aa7e <NA> -7.777778
#> 14: d138ce87-1cb4-44ab-b1cb-73cc95008615 <NA> -7.777778
#> 15: 6617b027-4c78-4ff2-93e4-26f7d238cb27 <NA> -7.777778
#> 16: a482f525-544e-4122-9e34-1bca0d383eaa <NA> -7.777778
#> 17: 6dd0c82a-449e-41cd-b750-0f22a39e792f <NA> -7.777778
#> 18: 969f77d6-42d0-411b-ba4f-0b19b1534736 <NA> -7.777778
#> 19: 3179473c-c44a-413d-81b1-79420e2a9656 <NA> -7.777778
#> 20: 2c09e438-2164-4bc3-890b-5633f8e6b29f <NA> -7.777778
#> 21: e058fe1e-5f28-4623-afec-74f51f50b965 Optimization terminated NA
#> 22: c95b2857-38bc-4e50-8834-5cc0dd61e814 Optimization terminated NA
#> 23: a0a58bed-0c54-4e07-bb6d-6a0012c1923f Optimization terminated NA
#> 24: 064a215d-fb42-4603-84bf-8c0862703f25 Optimization terminated NA
#> 25: 1a6be23c-352e-4708-911d-6812ed1ca4f3 Optimization terminated NA
#> 26: 79c3057f-e683-4434-9485-d136c9215bf7 Optimization terminated NA
#> 27: 268507ae-1eb7-4898-8c7b-2b8ff86e537d Optimization terminated NA
#> 28: 6c77d389-e15a-49d6-9a8d-0fed50a332a1 Optimization terminated NA
#> 29: 5ccd318d-f112-472e-9f3a-04d3f60498ba Optimization terminated NA
#> 30: 55eeb22b-605a-445c-ae2b-0349becc72ef Optimization terminated NA
#> 31: c82fe053-da69-47f0-a6bc-0a6702e59433 Optimization terminated NA
#> 32: a1728d6c-e9a2-459b-883c-d9d9378351f5 Optimization terminated NA
#> 33: 5bea9b36-f952-4eef-9db2-13d91c875621 Optimization terminated NA
#> 34: fb071c6b-1a7d-4de9-8b95-83183a906849 Optimization terminated NA
#> 35: 32aa2e55-671d-4ee3-a05f-41b601978d2c Optimization terminated NA
#> 36: 7b3c6e27-b8e8-4d69-b943-724b988dd3b7 Optimization terminated NA
#> 37: a212b571-eef7-4f74-9529-2ff2e1d79790 Optimization terminated NA
#> 38: 8456a9f7-0a01-49ef-8c3e-a6a4893885e5 Optimization terminated NA
#> 39: 05b80e21-d65a-4110-b974-4308a2f68656 Optimization terminated NA
#> 40: d4f1f801-1005-4837-9712-8c82ad680e5c Optimization terminated NA
#> 41: 5942952c-a2a0-46ef-a34c-bc8daa6c9a89 Optimization terminated NA
#> 42: 3a4c43e5-0528-4b50-839c-866ff6988b1a Optimization terminated NA
#> 43: dfdbe7d8-48ff-44fd-91ab-11d1eab7b6da Optimization terminated NA
#> 44: c0e71787-59a9-43e0-96c8-fdbdcce9e624 Optimization terminated NA
#> 45: fc2c4feb-4d8b-48b0-a7e9-8e32529082cd Optimization terminated NA
#> 46: fb78103f-1ce4-42d1-b6a5-ee45bab2ee89 Optimization terminated NA
#> 47: 33b53575-2b21-4b4d-8171-09a6fcd5840b Optimization terminated NA
#> 48: 6df06c10-3c93-41e1-b1d7-e7edfaaa9b23 Optimization terminated NA
#> 49: 63af2c66-f7e2-411d-993a-b6043ddc6270 Optimization terminated NA
#> 50: 94622602-9cc6-472e-a864-d89d9d0d3607 Optimization terminated NA
#> 51: d5eee6fe-b906-4e6c-9a62-e7c8d08449c2 Optimization terminated NA
#> 52: 47de9191-b741-4ea4-bbf3-e261ad08fea7 Optimization terminated NA
#> 53: dd176858-a474-414d-ae76-2966fb5bc944 Optimization terminated NA
#> 54: cb17615f-3f81-4c06-8caf-1a78d5285c49 Optimization terminated NA
#> 55: 0e800818-5806-4e52-83e4-7bf0d3228dd4 Optimization terminated NA
#> 56: 2424fa97-a1d7-40de-8f4d-4bc5f8fca00a Optimization terminated NA
#> 57: ea2a7143-43a0-412f-abca-a8952fa2893d Optimization terminated NA
#> 58: 7f8b4bc2-fc41-4598-81e7-b096013bc16a Optimization terminated NA
#> 59: 63100229-bded-472b-8ce0-c9eba35091f7 Optimization terminated NA
#> 60: d9bb36b1-a0e7-4eec-b550-adcbad47ec29 Optimization terminated NA
#> 61: 0ed7abc8-acb8-4c52-850d-66619e7572a3 Optimization terminated NA
#> 62: 7725eaa0-1006-4153-bf18-81a5f07eb01e Optimization terminated NA
#> 63: 1cbcbf34-19cd-454f-9f8c-9de4bb968526 Optimization terminated NA
#> 64: 2100d5fb-ac46-40a6-b46e-369dd357e098 Optimization terminated NA
#> 65: f65c1094-ce6d-4548-8dd9-f6dd9689dbda Optimization terminated NA
#> 66: 147121c9-d2ac-4942-be4b-4276d3e37689 Optimization terminated NA
#> 67: 98a53606-06df-4c75-bc78-9a9270fc59f3 Optimization terminated NA
#> 68: 83647ffc-4c4e-4fe9-93a7-1d92ffe919ee Optimization terminated NA
#> 69: 4afa8208-d3ee-48b0-b843-f0c1af5cefbb Optimization terminated NA
#> 70: 22ac7a5d-6ca8-4acd-b856-e072eac6a9b2 Optimization terminated NA
#> 71: 878ebc82-2c37-446d-bb98-cec04040efe3 Optimization terminated NA
#> 72: cd2c7271-2ba2-48eb-9367-0d27784f9798 Optimization terminated NA
#> 73: 3d9b7154-711e-4e01-8dac-f7ddaca3f162 Optimization terminated NA
#> 74: 8ffdd589-a4d1-4ece-963b-97fa008e03d7 Optimization terminated NA
#> 75: f730c8d2-ee34-47bf-bf03-9a7f4a3a082f Optimization terminated NA
#> 76: 740aaa1d-7ddb-4af6-a28b-bef6eee098f9 Optimization terminated NA
#> 77: bf3805d6-ded9-437e-8723-3495c63d6507 Optimization terminated NA
#> 78: 505b845b-3fdd-4bbe-a97e-1514bb81227d Optimization terminated NA
#> 79: 5f63b492-6eb4-4398-8502-b1574ff951a9 Optimization terminated NA
#> 80: 36c54ffb-8e08-40a5-8d7a-3ba1b1c44a41 Optimization terminated NA
#> 81: 863a1d0b-a8b6-4ff3-a3a8-6553f7f70cca Optimization terminated NA
#> 82: 652ff529-4353-47c8-a151-7e5b3dba5988 Optimization terminated NA
#> 83: a166f38b-feff-49f6-8f1b-b1ff7a88b969 Optimization terminated NA
#> 84: cd98bfa7-d8d6-430d-ba4f-455f393c6377 Optimization terminated NA
#> 85: 6d71c3fd-fafe-43a1-89f5-d53eb2ffbf63 Optimization terminated NA
#> 86: 4aedf62c-9798-49b2-804e-72dd90aab352 Optimization terminated NA
#> 87: df123e6f-0891-4770-8396-e35af3855f94 Optimization terminated NA
#> 88: 685d6f85-6e58-4467-97c6-68198609a071 Optimization terminated NA
#> 89: fd23a84e-b14c-43b9-9574-434aea4dffe4 Optimization terminated NA
#> 90: e76a7254-6532-40f1-ac72-fa7bc44d1b99 Optimization terminated NA
#> 91: 3fdd7328-f979-46e4-bacb-2656d18bdc4b Optimization terminated NA
#> 92: cede28e3-9a13-48a4-b0f1-4225d2f3e51d Optimization terminated NA
#> 93: 223d0e37-0aad-493b-bcc9-ca1f54ce8d7a Optimization terminated NA
#> 94: db4e8df6-a286-4c51-ad19-fa5b9d875eba Optimization terminated NA
#> 95: b550f846-dd1a-4574-a677-e7d18c7c495f Optimization terminated NA
#> 96: 4e754cc2-7cb8-41f2-846c-e338600da40f Optimization terminated NA
#> 97: 72ff5329-be04-4de7-96dc-be2c01ca3e65 Optimization terminated NA
#> 98: 6239e887-79a6-499f-a269-a3534669a541 Optimization terminated NA
#> 99: 89a0e3cd-3fe5-427c-bf13-db4bca4bc54d Optimization terminated NA
#> 100: 85d918d0-2081-4491-8997-26df12eee2f5 Optimization terminated NA
#> keys message x_domain_x1
#> <char> <char> <num>
#> x_domain_x2
#> <num>
#> 1: -5.0000000
#> 2: -3.8888889
#> 3: -2.7777778
#> 4: -1.6666667
#> 5: -0.5555556
#> 6: 0.5555556
#> 7: 1.6666667
#> 8: 2.7777778
#> 9: 3.8888889
#> 10: 5.0000000
#> 11: -5.0000000
#> 12: -3.8888889
#> 13: -2.7777778
#> 14: -1.6666667
#> 15: -0.5555556
#> 16: 0.5555556
#> 17: 1.6666667
#> 18: 2.7777778
#> 19: 3.8888889
#> 20: 5.0000000
#> 21: NA
#> 22: NA
#> 23: NA
#> 24: NA
#> 25: NA
#> 26: NA
#> 27: NA
#> 28: NA
#> 29: NA
#> 30: NA
#> 31: NA
#> 32: NA
#> 33: NA
#> 34: NA
#> 35: NA
#> 36: NA
#> 37: NA
#> 38: NA
#> 39: NA
#> 40: NA
#> 41: NA
#> 42: NA
#> 43: NA
#> 44: NA
#> 45: NA
#> 46: NA
#> 47: NA
#> 48: NA
#> 49: NA
#> 50: NA
#> 51: NA
#> 52: NA
#> 53: NA
#> 54: NA
#> 55: NA
#> 56: NA
#> 57: NA
#> 58: NA
#> 59: NA
#> 60: NA
#> 61: NA
#> 62: NA
#> 63: NA
#> 64: NA
#> 65: NA
#> 66: NA
#> 67: NA
#> 68: NA
#> 69: NA
#> 70: NA
#> 71: NA
#> 72: NA
#> 73: NA
#> 74: NA
#> 75: NA
#> 76: NA
#> 77: NA
#> 78: NA
#> 79: NA
#> 80: NA
#> 81: NA
#> 82: NA
#> 83: NA
#> 84: NA
#> 85: NA
#> 86: NA
#> 87: NA
#> 88: NA
#> 89: NA
#> 90: NA
#> 91: NA
#> 92: NA
#> 93: NA
#> 94: NA
#> 95: NA
#> 96: NA
#> 97: NA
#> 98: NA
#> 99: NA
#> 100: NA
#> x_domain_x2
#> <num>