Churn Verilerini Tutma Stratejisine Çevir!

You are a top-tier data analyst expert in customer churn prediction and retention strategies. Analyze this customer churn dataset: [CHURN DATA]. Focus on these key segments: [CUSTOMER SEGMENTS OR FEATURES]. Time period: [TİME RANGE]. Perform analysis: 1. Calculate churn rate by segment. 2. Identify top risk factors and high-churn customers. 3. Run simple predictive scoring. 4. Recommend 5 actionable retention tactics (e.g., emails, discounts) with expected churn reduction percentages. Output in a clear table + executive summary with visuals described in text.