{
 "last_complete": "2026-06",
 "first": "2018-02",
 "events": {
  "chatgpt": "2022-12-01",
  "gpt3": "2020-06-01",
  "dalle2": "2022-05-01",
  "gpt4": "2023-04-01",
  "o1": "2024-10-01"
 },
 "series": {
  "total": {
   "series": "total",
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   "placebo_chatgpt": {
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    "level_t_true": -0.3986627079752975,
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    "level_t_rank": 63,
    "slope_t_true": 12.140755136869245,
    "slope_t_placebo_p": 0.015384615384615385,
    "slope_t_rank": 1
   },
   "placebo_chatgpt_baseline_only": {
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    "level_t_placebo_p": 1.0,
    "slope_t_placebo_p": 0.0
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   "its_chatgpt_donut": {
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    "slope_p": 8.444303644891461e-05,
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    "n": 101,
    "r2": 0.9264985977485929,
    "event": "2020-06-01"
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   "its_dalle2": {
    "level_change": -0.07527108288162726,
    "level_se": 0.02758867729465141,
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    "level_p": 0.006365542308047846,
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    "n": 101,
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   "its_gpt4": {
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    "n": 101,
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    "event": "2023-04-01"
   },
   "its_o1": {
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    "event": "2024-10-01"
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   "bai_perron": {
    "m_bic": 1,
    "m_lwz": 1,
    "breaks_bic": [
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    "h": 15,
    "break_dates_bic": [
     "2022-04-01"
    ],
    "break_dates_lwz": [
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    ],
    "input": "log, seasonally adjusted (baseline month means)",
    "bic_by_m": {
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     "1": -555.25,
     "2": -551.53,
     "3": -545.89
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   },
   "pelt": [
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    "2024-12"
   ],
   "bocpd_resets": [],
   "bocpd_cp_prob_2022_12_to_2023_03": 0.03275100075824258
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 },
 "sensitivity_last_complete_total": {
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    "level_se": 0.02406023745909037,
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   "bai_perron": [
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    "event": "2022-12-01"
   },
   "bai_perron": [
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   ]
  }
 }
}