3 commits

Author	SHA1	Message	Date
RaymondHung-datacom	ca8bded949	reconstruct	2025-09-25 16:28:20 +09:00
raymond	faa546d474	modify kmeans, add retailing functions ... modify the kmeans to mini-batch k-means "ml/kmeans" add PI値 "retail/purchase-index", 平均客単価 "retail/average-spend"	2025-09-02 07:04:53 +00:00
raymond	93d192a995	add kmeans, moving-average, temporal functions, retail functions ... add 1. "ml/kmeans" (kmeans.ts) 2. "series/moving-average" (time-helper.ts) 3. "time/week-number", "time/same-day-last-year" (time-helper.ts) 4. 購買率"retail/purchase-rate", リフト値"retail/lift-value", 原価率"retail/cost-ratio" 値入り率"retail/gross-margin" (server.ts)	2025-09-02 04:32:29 +00:00