Data: 541910 observations, 8 features. Objective: Identify ideal target market for strategic marketing campaign within United Kingdom location. Description: Set up a scoring system based on Recency, Frequency and Monetary principle by K-Mean Clustering. Predict LTV cluster as target market Score system: Low-Value(0-1-2), Mid-Value(3-4-5), High-Value(6-7-8), VIP(9-10). Information acquisition: characteristic of ideal group.