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Class AggregateClassificationMetrics (3.36.0)
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AggregateClassificationMetrics (
mapping = None , * , ignore_unknown_fields = False , ** kwargs
)
Aggregate metrics for classification/classifier models. For
multi-class models, the metrics are either macro-averaged or
micro-averaged. When macro-averaged, the metrics are calculated
for each label and then an unweighted average is taken of those
values. When micro-averaged, the metric is calculated globally
by counting the total number of correctly predicted rows.
Attributes
Name
Description
precision
google.protobuf.wrappers_pb2.DoubleValue
Precision is the fraction of actual positive
predictions that had positive actual labels. For
multiclass this is a macro-averaged metric
treating each class as a binary classifier.
recall
google.protobuf.wrappers_pb2.DoubleValue
Recall is the fraction of actual positive
labels that were given a positive prediction.
For multiclass this is a macro-averaged metric.
accuracy
google.protobuf.wrappers_pb2.DoubleValue
Accuracy is the fraction of predictions given
the correct label. For multiclass this is a
micro-averaged metric.
threshold
google.protobuf.wrappers_pb2.DoubleValue
Threshold at which the metrics are computed.
For binary classification models this is the
positive class threshold. For multi-class
classfication models this is the confidence
threshold.
f1_score
google.protobuf.wrappers_pb2.DoubleValue
The F1 score is an average of recall and
precision. For multiclass this is a
macro-averaged metric.
log_loss
google.protobuf.wrappers_pb2.DoubleValue
Logarithmic Loss. For multiclass this is a
macro-averaged metric.
roc_auc
google.protobuf.wrappers_pb2.DoubleValue
Area Under a ROC Curve. For multiclass this
is a macro-averaged metric.
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Last updated 2025-08-28 UTC.
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[3.33.0](/python/docs/reference/bigquery/3.33.0/google.cloud.bigquery_v2.types.Model.AggregateClassificationMetrics)\n- [3.31.0](/python/docs/reference/bigquery/3.31.0/google.cloud.bigquery_v2.types.Model.AggregateClassificationMetrics)\n- [3.30.0](/python/docs/reference/bigquery/3.30.0/google.cloud.bigquery_v2.types.Model.AggregateClassificationMetrics)\n- [3.29.0](/python/docs/reference/bigquery/3.29.0/google.cloud.bigquery_v2.types.Model.AggregateClassificationMetrics)\n- [3.27.0](/python/docs/reference/bigquery/3.27.0/google.cloud.bigquery_v2.types.Model.AggregateClassificationMetrics)\n- [3.26.0](/python/docs/reference/bigquery/3.26.0/google.cloud.bigquery_v2.types.Model.AggregateClassificationMetrics)\n- [3.25.0](/python/docs/reference/bigquery/3.25.0/google.cloud.bigquery_v2.types.Model.AggregateClassificationMetrics)\n- [3.24.0](/python/docs/reference/bigquery/3.24.0/google.cloud.bigquery_v2.types.Model.AggregateClassificationMetrics)\n- 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For\nmulti-class models, the metrics are either macro-averaged or\nmicro-averaged. When macro-averaged, the metrics are calculated\nfor each label and then an unweighted average is taken of those\nvalues. When micro-averaged, the metric is calculated globally\nby counting the total number of correctly predicted rows."]]