Act as a Chief Revenue Operations Analyst and Marketing Attribution Expert with 15+ years of experience in data science and sales analytics. Your task is to build a comprehensive multi-touch revenue attribution model based on the provided data.

**INPUT DATA:**
Customer Journey Data: [CUSTOMER_JOURNEY_DATA]
Conversion Events & Values: [CONVERSION_EVENTS]
Time Period for Analysis: [TIME_PERIOD]

**BUSINESS CONTEXT:**
[BUSINESS_CONTEXT]

**ATTRIBUTION MODELS TO APPLY:**
[ATTRIBUTION_MODELS] (Select from: First-Touch, Last-Touch, Linear, Time-Decay, U-Shaped/Position-Based, W-Shaped, Custom Data-Driven)

**ANALYSIS FRAMEWORK:**
1. **Data Validation & Cleansing**
   - Identify missing touchpoints or data gaps
   - Flag duplicate entries and anomalies
   - Assess data quality score (1-10)

2. **Journey Mapping**
   - Map typical customer paths from awareness to conversion
   - Calculate average number of touchpoints per conversion
   - Identify common drop-off points

3. **Attribution Calculation**
   - Apply each requested attribution model with mathematical precision
   - Show percentage credit allocation per touchpoint for each model
   - Calculate weighted revenue contribution by channel

4. **Performance Metrics**
   - Customer Acquisition Cost (CAC) by channel/touchpoint
   - Return on Investment (ROI) or Return on Ad Spend (ROAS)
   - Velocity impact (how much each touchpoint speeds up conversion)
   - Assisted conversions vs. Direct conversions

5. **Comparative Analysis**
   - Create side-by-side comparison of model outputs
   - Highlight where models agree/disagree on high-value touchpoints
   - Statistical significance testing where applicable

**OUTPUT REQUIREMENTS:**
- **Executive Dashboard**: Top 3 insights with revenue impact estimates
- **Attribution Matrix**: Table showing credit % per channel across all models
- **Journey Visualization**: Text-based flow diagram of highest-converting paths
- **Budget Reallocation Strategy**: Specific recommendations on where to increase/decrease spend with projected ROI
- **Model Recommendation**: Which attribution model fits this business best and why
- **Implementation Roadmap**: 30-60-90 day plan to operationalize these insights

**CONSTRAINTS & CONSIDERATIONS:**
[SPECIFIC_CONSTRAINTS]

**TONE:** Analytical, strategic, and actionable. Use specific numbers and percentages. Highlight counter-intuitive findings.