Implement Advanced A/B Testing Framework

[RUKAYAT-CODER]

Overview

Create comprehensive A/B testing framework with statistical analysis and automated winner selection.

Background

Data-driven decisions require sophisticated A/B testing capabilities for features, UI changes, and business logic.

Specifications

Modules to Create:

• ABTestingModule with experiment management
• ExperimentService for test execution
• StatisticalAnalysisService for result evaluation
• AutomatedDecisionService for winner selection

Tasks:

• Implement experiment design and configuration
• Create statistical significance calculation
• Add automated traffic allocation and balancing
• Implement multivariate testing capabilities
• Create experiment result analysis and reporting

Impacted Files:

• src/ab-testing/ab-testing.module.ts (new)
• src/ab-testing/ab-testing.service.ts (new)
• src/ab-testing/experiments/experiment.service.ts (new)
• src/ab-testing/analysis/statistical-analysis.service.ts (new)
• src/ab-testing/automation/automated-decision.service.ts (new)
• src/ab-testing/reporting/ab-testing-reports.service.ts (new)

Labels: backend, ab-testing, statistics, experimentation, priority-medium

Acceptance Criteria

• Experiments can be configured with multiple variants
• Statistical significance is calculated accurately
• Traffic allocation balances fairly across variants
• Multivariate testing supports complex experiments
• Automated winner selection follows statistical best practices

🙌Contribution Guidelines:

Assignment required before PR submission
Timeframe: 24-48 hours
PR description must include: Close #[issue-number]
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For more context, please refer to the project README here 🚀