# Data Evolution Analysis
## Overview
Based on DDC methodology (Chapter 1.1), this skill analyzes data evolution patterns in construction organizations, assessing digital maturity levels from paper-based workflows to fully data-driven operations.
**Book Reference:** "Эволюция использования данных в строительной отрасли" / "Evolution of Data Usage in Construction"
## Quick Start
```python
from dataclasses import dataclass, field
from enum import Enum
from typing import List, Dict, Optional
from datetime import datetime
import json
class MaturityLevel(Enum):
"""Digital maturity levels based on DDC methodology"""
LEVEL_0_PAPER = 0 # Paper-based, no digital tools
LEVEL_1_BASIC = 1 # Basic digital (spreadsheets, email)
LEVEL_2_STRUCTURED = 2 # Structured databases, some integration
LEVEL_3_INTEGRATED = 3 # ERP/BIM integration, workflows
LEVEL_4_AUTOMATED = 4 # Automated processes, ML/AI
LEVEL_5_PREDICTIVE = 5 # Predictive analytics, digital twins
class DataCategory(Enum):
"""Categories of construction data"""
DESIGN = "design"
COST = "cost"
SCHEDULE = "schedule"
QUALITY = "quality"
SAFETY = "safety"
PROCUREMENT = "procurement"
DOCUMENT = "document"
COMMUNICATION = "communication"
@dataclass
class DataFlowAssessment:
"""Assessment of data flow in an organization"""
category: DataCategory
source_systems: List[str]
storage_format: str
integration_level: float # 0-1
automation_level: float # 0-1
data_quality_score: float # 0-1
issues: List[str] = field(default_factory=list)
@dataclass
class MaturityAssessment:
"""Complete digital maturity assessment"""
organization_name: str
assessment_date: datetime
overall_level: MaturityLevel
category_scores: Dict[DataCategory, float]
data_flows: List[DataFlowAssessment]
strengths: List[str]
weaknesses: List[str]
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