{
  "dataset_name": "NASA PCoE Li-ion Battery Dataset (cleaned)",
  "generated_from": "workspace scan of cleaned_dataset + codebase contracts",
  "version": "1.1.0",
  "paths": {
    "metadata_csv": "cleaned_dataset/metadata.csv",
    "data_dir": "cleaned_dataset/data"
  },
  "summary": {
    "records_total": 7565,
    "batteries_total": 34,
    "cycle_types": {
      "discharge": 2794,
      "impedance": 1956,
      "charge": 2815
    },
    "temperature_groups": {
      "4": 2060,
      "22": 249,
      "24": 4658,
      "43": 388,
      "44": 210
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    "discharge_cycles": 2794,
    "discharge_cycles_per_battery": {
      "B0005": 168,
      "B0006": 168,
      "B0007": 168,
      "B0018": 132,
      "B0025": 28,
      "B0026": 28,
      "B0027": 28,
      "B0028": 28,
      "B0029": 40,
      "B0030": 40,
      "B0031": 40,
      "B0032": 40,
      "B0033": 197,
      "B0034": 197,
      "B0036": 197,
      "B0038": 47,
      "B0039": 47,
      "B0040": 47,
      "B0041": 67,
      "B0042": 112,
      "B0043": 112,
      "B0044": 112,
      "B0045": 72,
      "B0046": 72,
      "B0047": 72,
      "B0048": 72,
      "B0049": 25,
      "B0050": 25,
      "B0051": 25,
      "B0052": 25,
      "B0053": 56,
      "B0054": 103,
      "B0055": 102,
      "B0056": 102
    },
    "data_files": 7565,
    "data_files_total_bytes": 585150419
  },
  "validation": {
    "checks": {
      "capacity_range_0_3ah": {
        "valid": 2769,
        "invalid": 0
      },
      "re_range_0_1ohm": {
        "valid": 1933,
        "invalid": 14
      },
      "rct_range_0_5ohm": {
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        "invalid": 14
      },
      "temp_range_0_60c": {
        "valid": 7565,
        "invalid": 0
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  "numeric_statistics": {
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    "Re_raw": {
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    "Rct_raw": {
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    "ambient_temperature": {
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      "count": 7565
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    "Capacity_physical": {
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    "Rct_physical": {
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  },
  "schema": {
    "type": "string",
    "start_time": "string",
    "ambient_temperature": "float",
    "battery_id": "string",
    "test_id": "string",
    "uid": "string",
    "filename": "string",
    "Capacity": "float",
    "Re": "float",
    "Rct": "float"
  },
  "feature_sets": {
    "v1_v2_scalar_features": [
      "cycle_number",
      "ambient_temperature",
      "peak_voltage",
      "min_voltage",
      "voltage_range",
      "avg_current",
      "avg_temp",
      "temp_rise",
      "cycle_duration",
      "Re",
      "Rct",
      "delta_capacity"
    ],
    "v3_engineered_features": [
      "capacity_retention",
      "cumulative_energy",
      "dRe_dn",
      "dRct_dn",
      "soh_rolling_mean",
      "voltage_slope"
    ]
  },
  "codebase_scan": {
    "api": {
      "py": 11,
      "ts_tsx": 0,
      "md": 0
    },
    "src": {
      "py": 23,
      "ts_tsx": 0,
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    },
    "scripts": {
      "py": 12,
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    },
    "frontend/src": {
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    },
    "tests": {
      "py": 3,
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      "md": 1
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    "docs": {
      "py": 0,
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      "md": 11
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  }
}