Tag
Forecasting
3articles
November 2026
3 articles on this page
Data & analytics14 min readForecasting from Vietnam's CPI series: step by step on real data
For finance directors and SME owners who need an inflation assumption for a 12-month budget. The post decomposes Vietnam's real CPI series, forecasts it seven ways and scores each on held-back months. A constant-growth line is hard to beat, and the 2026 fuel surge pulls every forecast off course.
- Data & analytics10 min read
Seasonal sales forecasting in Excel, scored with MAPE
For shop owners and buyers whose monthly sales swing with the seasons while the yearly total climbs. Five steps in Excel on an invented dataset, and a check on when they fail to beat a much simpler forecast.
- Data & analytics10 min read
When history fails: how Starbucks forecast through COVID
For owners and finance directors who must plan when past years no longer help to extrapolate. Starbucks withdrew its guidance, published what it could, then reissued ranges; this post sets those ranges against what happened.