{
 "L1": {
  "nfeat": 24,
  "ols": {
   "r2": 0.5208807490583831,
   "mdae": 19.311838552673066,
   "w15": 40.46959159127752,
   "w25": 60.90048632536735
  },
  "gbm": {
   "r2": 0.6922092084886344,
   "mdae": 17.160081786433278,
   "w15": 44.70532866182084,
   "w25": 65.6591538984469
  }
 },
 "L2": {
  "nfeat": 38,
  "ols": {
   "r2": 0.6193226824225797,
   "mdae": 18.059509413013565,
   "w15": 42.81754954766512,
   "w25": 63.755686869215076
  },
  "gbm": {
   "r2": 0.7288688475138769,
   "mdae": 15.95094002848213,
   "w15": 47.46640171521205,
   "w25": 68.38885112168592
  }
 },
 "L3": {
  "nfeat": 56,
  "ols": {
   "r2": 0.6277548901386698,
   "mdae": 17.877027384670708,
   "w15": 42.92213564817236,
   "w25": 64.46687235266432
  },
  "gbm": {
   "r2": 0.7428875872402715,
   "mdae": 15.421354827745482,
   "w15": 48.84170893688229,
   "w25": 69.91580818909166
  }
 },
 "L4": {
  "nfeat": 77,
  "ols": {
   "r2": 0.6862361284610743,
   "mdae": 16.886250547842508,
   "w15": 45.25440568948387,
   "w25": 66.72070281859541
  },
  "gbm": {
   "r2": 0.7695283346486282,
   "mdae": 14.51330744579874,
   "w15": 51.383151179208284,
   "w25": 71.29634471578727
  }
 }
}