Mengakses file ringkasan model

File ringkasan berisi informasi hasil evaluasi tentang model secara keseluruhan dan metrik untuk setiap label. Metriknya adalah presisi, recall, skor F1. Nilai ambang untuk model juga disediakan. Lokasi file ringkasan dapat diakses dari EvaluationResult objek yang dikembalikan olehDescribeProjectVersions. Untuk informasi selengkapnya, lihat Referensi: File ringkasan hasil pelatihan.

Berikut ini adalah contoh file ringkasan.

{
  "Version": 1,
  "AggregatedEvaluationResults": {
    "ConfusionMatrix": [
      {
        "GroundTruthLabel": "CAP",
        "PredictedLabel": "CAP",
        "Value": 0.9948717948717949
      },
      {
        "GroundTruthLabel": "CAP",
        "PredictedLabel": "WATCH",
        "Value": 0.008547008547008548
      },
      {
        "GroundTruthLabel": "WATCH",
        "PredictedLabel": "CAP",
        "Value": 0.1794871794871795
      },
      {
        "GroundTruthLabel": "WATCH",
        "PredictedLabel": "WATCH",
        "Value": 0.7008547008547008
      }
    ],
    "F1Score": 0.9726959470546408,
    "Precision": 0.9719115848331294,
    "Recall": 0.9735042735042735
  },
  "EvaluationDetails": {
    "EvaluationEndTimestamp": "2019-11-21T07:30:23.910943",
    "Labels": [
      "CAP",
      "WATCH"
    ],
    "NumberOfTestingImages": 624,
    "NumberOfTrainingImages": 5216,
    "ProjectVersionArn": "arn:aws:rekognition:us-east-1:nnnnnnnnn:project/my-project/version/v0/1574317227432"
  },
  "LabelEvaluationResults": [
    {
      "Label": "CAP",
      "Metrics": {
        "F1Score": 0.9794344473007711,
        "Precision": 0.9819587628865979,
        "Recall": 0.9769230769230769,
        "Threshold": 0.9879502058029175
      },
      "NumberOfTestingImages": 390
    },
    {
      "Label": "WATCH",
      "Metrics": {
        "F1Score": 0.9659574468085106,
        "Precision": 0.961864406779661,
        "Recall": 0.9700854700854701,
        "Threshold": 0.014450683258473873
      },
      "NumberOfTestingImages": 234
    }
  ]
}