R语言RFM客户价值分析完整项目。对2.5万条电商交易数据进行清洗，处理14.8%退货订单及3710条匿名记录。计算Recency/Frequency/Monetary指标，将4338名客户分为8类（重要价值、重要保持、一般挽留等）。可视化产出5张核心图表并整合为综合看板。主要发现：21.8%重要价值客户贡献60%营收，39.9%一般挽留客户仅贡献6.4%，678名高价值客户面临流失风险。输出客户明细及8类客户营销策略建议。技术栈：R/dplyr/ggplot2/lubridate/patchwork。

8 hands-on Certified Lean Six Sigma White Belt labs covering Lean Six Sigma foundations, DMAIC, customer value, SIPOC, process mapping, TIMWOODS waste, check sheets, basic visuals, 5 Whys, Fishbone, 5S, standard work, visual controls, and improvement action planning.

Insheights Integrated Value Creation System (IIVCS) — the OSM, PTS, and CVDM frameworks with a shared 3E / AER / 8 Values measurement architecture for defining, building, and delivering customer value, outside-in.