{
  "best_epoch": 33,
  "best_stage": "stage1",
  "best_val_acc": 0.9545232273838631,
  "test_loss": 0.646228389306502,
  "test_acc": 0.9613691931540342,
  "test_macro_f1": 0.9320283953570693,
  "hard_mining": {
    "enabled": true,
    "executed": true,
    "num_samples": 16334,
    "confidence_threshold": 0.85,
    "misclassified": 545,
    "low_confidence": 1700,
    "both": 451,
    "weight_min": 1.0,
    "weight_max": 4.0,
    "weight_mean": 1.176564221868495
  },
  "history": [
    {
      "stage": "stage1",
      "epoch": 1,
      "train_loss": 4.313515394232994,
      "train_acc": 0.032019101261173015,
      "train_macro_f1": 0.02712417475898117,
      "val_loss": 7.769173968922008,
      "val_acc": 0.014180929095354523,
      "val_macro_f1": 0.003789197040298735,
      "duration_seconds": 41.54798349970952
    },
    {
      "stage": "stage1",
      "epoch": 2,
      "train_loss": 3.444204147471938,
      "train_acc": 0.09850618342108486,
      "train_macro_f1": 0.105352354413626,
      "val_loss": 3.6144719557328657,
      "val_acc": 0.10073349633251834,
      "val_macro_f1": 0.07000853003986085,
      "duration_seconds": 38.47417518682778
    },
    {
      "stage": "stage1",
      "epoch": 3,
      "train_loss": 2.8109747060509616,
      "train_acc": 0.20154279417166646,
      "train_macro_f1": 0.21854176612220216,
      "val_loss": 2.98252272605896,
      "val_acc": 0.17946210268948656,
      "val_macro_f1": 0.14989537030978706,
      "duration_seconds": 38.17656293977052
    },
    {
      "stage": "stage1",
      "epoch": 4,
      "train_loss": 2.2996954086214996,
      "train_acc": 0.34761846455246725,
      "train_macro_f1": 0.37294280895416104,
      "val_loss": 2.3156512650576504,
      "val_acc": 0.37457212713936433,
      "val_macro_f1": 0.36651348862376204,
      "duration_seconds": 37.970143370795995
    },
    {
      "stage": "stage1",
      "epoch": 5,
      "train_loss": 1.6524738683256992,
      "train_acc": 0.6124035753642708,
      "train_macro_f1": 0.6176766827413694,
      "val_loss": 1.4232586188749834,
      "val_acc": 0.7530562347188264,
      "val_macro_f1": 0.7361482815159818,
      "duration_seconds": 37.93143594684079
    },
    {
      "stage": "stage1",
      "epoch": 6,
      "train_loss": 1.208171897156294,
      "train_acc": 0.8022529692665605,
      "train_macro_f1": 0.791375137567527,
      "val_loss": 1.096138444813815,
      "val_acc": 0.8557457212713936,
      "val_macro_f1": 0.8341570413748813,
      "duration_seconds": 38.05841494211927
    },
    {
      "stage": "stage1",
      "epoch": 7,
      "train_loss": 1.0467550879301026,
      "train_acc": 0.8506183421084854,
      "train_macro_f1": 0.8464827124195602,
      "val_loss": 0.912368427623402,
      "val_acc": 0.9080684596577017,
      "val_macro_f1": 0.8785396246910446,
      "duration_seconds": 37.41684066830203
    },
    {
      "stage": "stage1",
      "epoch": 8,
      "train_loss": 0.9626071349132893,
      "train_acc": 0.8759030243663524,
      "train_macro_f1": 0.8737804943842077,
      "val_loss": 0.9386219707402316,
      "val_acc": 0.8948655256723717,
      "val_macro_f1": 0.8682503489532023,
      "duration_seconds": 38.04319545486942
    },
    {
      "stage": "stage1",
      "epoch": 9,
      "train_loss": 0.8973523711049279,
      "train_acc": 0.8907799681645647,
      "train_macro_f1": 0.8875551854478719,
      "val_loss": 0.8646871664307334,
      "val_acc": 0.9198044009779951,
      "val_macro_f1": 0.8949053659799362,
      "duration_seconds": 37.64396993210539
    },
    {
      "stage": "stage1",
      "epoch": 10,
      "train_loss": 0.8764715506586918,
      "train_acc": 0.8992286029141667,
      "train_macro_f1": 0.8913087240589926,
      "val_loss": 0.8934382850473578,
      "val_acc": 0.908557457212714,
      "val_macro_f1": 0.8811464151370096,
      "duration_seconds": 38.161499897018075
    },
    {
      "stage": "stage1",
      "epoch": 11,
      "train_loss": 0.8411068756913029,
      "train_acc": 0.9013101506060978,
      "train_macro_f1": 0.8970095282070171,
      "val_loss": 0.8103193749081005,
      "val_acc": 0.9315403422982885,
      "val_macro_f1": 0.900308708225663,
      "duration_seconds": 38.78951836982742
    },
    {
      "stage": "stage1",
      "epoch": 12,
      "train_loss": 0.801855732535207,
      "train_acc": 0.9101261173013346,
      "train_macro_f1": 0.9095695021002316,
      "val_loss": 0.7941674590110779,
      "val_acc": 0.9339853300733496,
      "val_macro_f1": 0.8975888047900716,
      "duration_seconds": 37.50118718901649
    },
    {
      "stage": "stage1",
      "epoch": 13,
      "train_loss": 0.7851105207620666,
      "train_acc": 0.9166768703318232,
      "train_macro_f1": 0.9156568805546416,
      "val_loss": 0.7914232449098066,
      "val_acc": 0.9364303178484108,
      "val_macro_f1": 0.9084976516741216,
      "duration_seconds": 37.85148463025689
    },
    {
      "stage": "stage1",
      "epoch": 14,
      "train_loss": 0.7669343338456265,
      "train_acc": 0.9204726337700502,
      "train_macro_f1": 0.9229367514640775,
      "val_loss": 0.7820644216103987,
      "val_acc": 0.9354523227383863,
      "val_macro_f1": 0.9072646736307985,
      "duration_seconds": 38.37839019019157
    },
    {
      "stage": "stage1",
      "epoch": 15,
      "train_loss": 0.7542976293452951,
      "train_acc": 0.925003061099547,
      "train_macro_f1": 0.9252287661475155,
      "val_loss": 0.7722757241942666,
      "val_acc": 0.9378973105134474,
      "val_macro_f1": 0.9088258270013261,
      "duration_seconds": 38.02175585925579
    },
    {
      "stage": "stage1",
      "epoch": 16,
      "train_loss": 0.724993243466976,
      "train_acc": 0.9310640382025224,
      "train_macro_f1": 0.9306218869346541,
      "val_loss": 0.7765102765776895,
      "val_acc": 0.9325183374083129,
      "val_macro_f1": 0.8957598016047307,
      "duration_seconds": 38.236370380967855
    },
    {
      "stage": "stage1",
      "epoch": 17,
      "train_loss": 0.7193509769994159,
      "train_acc": 0.9331455858944533,
      "train_macro_f1": 0.9339855859569205,
      "val_loss": 0.7548327012495561,
      "val_acc": 0.9422982885085575,
      "val_macro_f1": 0.9146078158676976,
      "duration_seconds": 37.599709355738014
    },
    {
      "stage": "stage1",
      "epoch": 18,
      "train_loss": 0.7072599779727847,
      "train_acc": 0.933880249785723,
      "train_macro_f1": 0.93310010660679,
      "val_loss": 0.7916218855164268,
      "val_acc": 0.9330073349633252,
      "val_macro_f1": 0.8968142015045353,
      "duration_seconds": 38.33785875607282
    },
    {
      "stage": "stage1",
      "epoch": 19,
      "train_loss": 0.7052893208902936,
      "train_acc": 0.9335741398310273,
      "train_macro_f1": 0.9343232005341593,
      "val_loss": 0.7364852699366483,
      "val_acc": 0.9452322738386308,
      "val_macro_f1": 0.9182284675084373,
      "duration_seconds": 37.837123352102935
    },
    {
      "stage": "stage1",
      "epoch": 20,
      "train_loss": 0.6814761432104333,
      "train_acc": 0.9384106771152197,
      "train_macro_f1": 0.9398322150903461,
      "val_loss": 0.7354252338409424,
      "val_acc": 0.943276283618582,
      "val_macro_f1": 0.9160987470807599,
      "duration_seconds": 38.50653554406017
    },
    {
      "stage": "stage1",
      "epoch": 21,
      "train_loss": 0.6830035545105158,
      "train_acc": 0.9377984572058283,
      "train_macro_f1": 0.9395218264544717,
      "val_loss": 0.7638225717978044,
      "val_acc": 0.9354523227383863,
      "val_macro_f1": 0.8995650263429223,
      "duration_seconds": 37.889779151417315
    },
    {
      "stage": "stage1",
      "epoch": 22,
      "train_loss": 0.6549201711665752,
      "train_acc": 0.9458185380188564,
      "train_macro_f1": 0.9479852966726539,
      "val_loss": 0.748274640603499,
      "val_acc": 0.9408312958435208,
      "val_macro_f1": 0.913678433990217,
      "duration_seconds": 37.69011677801609
    },
    {
      "stage": "stage1",
      "epoch": 23,
      "train_loss": 0.6476058356983717,
      "train_acc": 0.9478388637198482,
      "train_macro_f1": 0.9474735112676054,
      "val_loss": 0.7422939701513811,
      "val_acc": 0.9393643031784841,
      "val_macro_f1": 0.9118126326501514,
      "duration_seconds": 37.879671565722674
    },
    {
      "stage": "stage1",
      "epoch": 24,
      "train_loss": 0.6383854310179866,
      "train_acc": 0.9452063181094649,
      "train_macro_f1": 0.9456692832105631,
      "val_loss": 0.70200622623617,
      "val_acc": 0.952078239608802,
      "val_macro_f1": 0.9221311577849888,
      "duration_seconds": 39.13599858107045
    },
    {
      "stage": "stage1",
      "epoch": 25,
      "train_loss": 0.6240727319273838,
      "train_acc": 0.9534100648953104,
      "train_macro_f1": 0.9560553119679458,
      "val_loss": 0.7065791866996072,
      "val_acc": 0.9525672371638142,
      "val_macro_f1": 0.9233286511154518,
      "duration_seconds": 37.369449513964355
    },
    {
      "stage": "stage1",
      "epoch": 26,
      "train_loss": 0.6299820653227872,
      "train_acc": 0.9505938533121097,
      "train_macro_f1": 0.9530535174633679,
      "val_loss": 0.7115304686806418,
      "val_acc": 0.9476772616136919,
      "val_macro_f1": 0.9190713459538334,
      "duration_seconds": 38.107163506094366
    },
    {
      "stage": "stage1",
      "epoch": 27,
      "train_loss": 0.620378524758095,
      "train_acc": 0.9531039549406146,
      "train_macro_f1": 0.9549947894496518,
      "val_loss": 0.6997524770823392,
      "val_acc": 0.9486552567237164,
      "val_macro_f1": 0.9201905369641149,
      "duration_seconds": 37.054033300839365
    },
    {
      "stage": "stage1",
      "epoch": 28,
      "train_loss": 0.6110506050808485,
      "train_acc": 0.9556140565691196,
      "train_macro_f1": 0.958136157178548,
      "val_loss": 0.6986935463818637,
      "val_acc": 0.9491442542787286,
      "val_macro_f1": 0.9200785518230558,
      "duration_seconds": 38.087362293154
    },
    {
      "stage": "stage1",
      "epoch": 29,
      "train_loss": 0.598165498916493,
      "train_acc": 0.959532263989225,
      "train_macro_f1": 0.9600834433079148,
      "val_loss": 0.7002380436116998,
      "val_acc": 0.9506112469437653,
      "val_macro_f1": 0.9219051963307497,
      "duration_seconds": 37.679548679850996
    },
    {
      "stage": "stage1",
      "epoch": 30,
      "train_loss": 0.5900751698848813,
      "train_acc": 0.959593485980164,
      "train_macro_f1": 0.9605770687335475,
      "val_loss": 0.695245005867698,
      "val_acc": 0.9511002444987775,
      "val_macro_f1": 0.9216505884105199,
      "duration_seconds": 38.43997255899012
    },
    {
      "stage": "stage1",
      "epoch": 31,
      "train_loss": 0.5878149402696032,
      "train_acc": 0.9606342598261296,
      "train_macro_f1": 0.9621756383388788,
      "val_loss": 0.6914988647807728,
      "val_acc": 0.9525672371638142,
      "val_macro_f1": 0.9230561654384433,
      "duration_seconds": 37.00720879295841
    },
    {
      "stage": "stage1",
      "epoch": 32,
      "train_loss": 0.5783637138300164,
      "train_acc": 0.9626545855271214,
      "train_macro_f1": 0.9650474377206499,
      "val_loss": 0.6921304247596047,
      "val_acc": 0.9525672371638142,
      "val_macro_f1": 0.9242248262820537,
      "duration_seconds": 38.078143508173525
    },
    {
      "stage": "stage1",
      "epoch": 33,
      "train_loss": 0.5720760066841923,
      "train_acc": 0.9652871311375046,
      "train_macro_f1": 0.9668956502827502,
      "val_loss": 0.6832193461331454,
      "val_acc": 0.9545232273838631,
      "val_macro_f1": 0.9254622457557515,
      "duration_seconds": 37.823320649098605
    },
    {
      "stage": "stage1",
      "epoch": 34,
      "train_loss": 0.5669168850710226,
      "train_acc": 0.9660217950287744,
      "train_macro_f1": 0.9679376980718958,
      "val_loss": 0.6903422366489064,
      "val_acc": 0.952078239608802,
      "val_macro_f1": 0.9141290090107064,
      "duration_seconds": 37.19663280015811
    },
    {
      "stage": "stage1",
      "epoch": 35,
      "train_loss": 0.5721360119276269,
      "train_acc": 0.9652259091465655,
      "train_macro_f1": 0.9672558713264995,
      "val_loss": 0.6860878196629611,
      "val_acc": 0.9535452322738386,
      "val_macro_f1": 0.9246890611512996,
      "duration_seconds": 37.865042545832694
    },
    {
      "stage": "stage1",
      "epoch": 36,
      "train_loss": 0.5751806615396987,
      "train_acc": 0.9634504714093303,
      "train_macro_f1": 0.9650922342936058,
      "val_loss": 0.6858713843605735,
      "val_acc": 0.9506112469437653,
      "val_macro_f1": 0.9215963057574214,
      "duration_seconds": 38.06451524980366
    },
    {
      "stage": "stage1",
      "epoch": 37,
      "train_loss": 0.5691629336323849,
      "train_acc": 0.963756581364026,
      "train_macro_f1": 0.9659098190263928,
      "val_loss": 0.6852591091936285,
      "val_acc": 0.9511002444987775,
      "val_macro_f1": 0.9221256983893021,
      "duration_seconds": 37.62006014632061
    },
    {
      "stage": "stage1",
      "epoch": 38,
      "train_loss": 0.563821169526078,
      "train_acc": 0.9661442390106526,
      "train_macro_f1": 0.9676408629024923,
      "val_loss": 0.6863496682860635,
      "val_acc": 0.9515892420537897,
      "val_macro_f1": 0.9228874257523916,
      "duration_seconds": 37.83984856121242
    },
    {
      "stage": "stage1",
      "epoch": 39,
      "train_loss": 0.5663612668597421,
      "train_acc": 0.9646136892371739,
      "train_macro_f1": 0.966505548310987,
      "val_loss": 0.685564474626021,
      "val_acc": 0.952078239608802,
      "val_macro_f1": 0.9230060614495823,
      "duration_seconds": 38.010506270918995
    },
    {
      "stage": "stage1",
      "epoch": 40,
      "train_loss": 0.5743493382320848,
      "train_acc": 0.9646749112281131,
      "train_macro_f1": 0.9661682215935604,
      "val_loss": 0.685387134552002,
      "val_acc": 0.9515892420537897,
      "val_macro_f1": 0.9225555286063664,
      "duration_seconds": 37.642080747988075
    },
    {
      "stage": "stage2",
      "epoch": 1,
      "train_loss": 0.6768135927444281,
      "train_acc": 0.9281253826374434,
      "train_macro_f1": 0.9207764039512437,
      "val_loss": 0.7352005947719921,
      "val_acc": 0.9408312958435208,
      "val_macro_f1": 0.908830505411882,
      "duration_seconds": 40.97610312793404
    },
    {
      "stage": "stage2",
      "epoch": 2,
      "train_loss": 0.6523073114628015,
      "train_acc": 0.9372474592873761,
      "train_macro_f1": 0.9393616328475114,
      "val_loss": 0.7405287569219415,
      "val_acc": 0.943276283618582,
      "val_macro_f1": 0.9145481739672323,
      "duration_seconds": 40.34182390011847
    },
    {
      "stage": "stage2",
      "epoch": 3,
      "train_loss": 0.6370004353135131,
      "train_acc": 0.9430635484265948,
      "train_macro_f1": 0.9449550202236057,
      "val_loss": 0.7183141654187982,
      "val_acc": 0.9418092909535453,
      "val_macro_f1": 0.9110062617729418,
      "duration_seconds": 39.924425372853875
    },
    {
      "stage": "stage2",
      "epoch": 4,
      "train_loss": 0.6195670698964318,
      "train_acc": 0.9518182931308926,
      "train_macro_f1": 0.9531957634054529,
      "val_loss": 0.722674245184118,
      "val_acc": 0.9427872860635697,
      "val_macro_f1": 0.9122724208628346,
      "duration_seconds": 39.511029839050025
    }
  ]
}