The contains none metric measures whether the rows in the prediction do not contain any of the specified keywords.
Metric details
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Contains none is a content validation metric that uses string-based functions to analyze and validate generated LLM output text. The metric is available only when you use the Python SDK to calculate evaluation metrics.
Scope
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The contains none metric evaluates generative AI assets only.
Types of AI assets: Prompt templates
Generative AI tasks:
Text summarization
Content generation
Question answering
Entity extraction
Retrieval augmented generation (RAG)
Supported languages: English
Scores and values
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The contains none metric score indicates if the prediction rows contain any of the specifiied keywords.
Range of values: 0.0-1.0
Ratios:
At 0: The prediction rows contain the specified keywords.
At 1: The prediction rows contain none of the specified keywords.