Accuracy ScorerRule-Based

AccuracyScorer

Calculates accuracy based on substring or token-level matching between prediction and ground truth. More lenient than ExactMatchScorer, allowing for partial matches.

Overview

Calculates accuracy based on substring or token-level matching between prediction and ground truth. More lenient than ExactMatchScorer, allowing for partial matches.

accuracyrule-basedbenchmarkpartial-matchflexible

Use Cases

  • Accuracy benchmarking and validation

How It Works

This scorer uses deterministic rule-based evaluation to validate outputs against specific criteria. It applies predefined rules and patterns to assess the response, providing consistent and reproducible results without requiring LLM inference.

Input Schema

ParameterTypeRequiredDescription
predictionstrYesGenerated output
ground_truthstrYesExpected output

Output Schema

FieldTypeDescription
scorefloatPartial match score (0-10)
passedboolTrue if above threshold
reasoningstrMatch analysis
metadatadictToken overlap details

Score Interpretation

Default threshold: 7/10

10Perfect MatchOutput exactly matches expected format/value
0No MatchOutput does not match expected format/value

Frequently Asked Questions

When should I use this scorer?

Use AccuracyScorer when you need to evaluate accuracy and rule-based aspects of your AI outputs. It's particularly useful for accuracy benchmarking and validation.

Why does this scorer need expected output?

This scorer compares the generated output against a known expected result to calculate accuracy metrics.

Can I customize the threshold?

Yes, the default threshold of 7 can be customized when configuring the scorer.

Quick Info

CategoryAccuracy
Evaluation TypeRule-Based
Requires Expected OutputYes
Default Threshold7/10

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