WEEK 03 · GOLDEN BATCH, WITH STATISTICS
Every plant manager has a "golden batch": the run that went perfectly and that everyone secretly compares against. The problem is that a single golden batch is an anecdote. This week you replace the anecdote with an envelope: what 80 normal batches look like together, with statistical limits instead of someone's gut thresholds. The analogy from your world is the portfolio dashboard. A single project running 5% late …
THE NEXT BLOCK
Saturday sandbox · after Nomikos & MacGregor (1995), "Multivariate SPC charts for monitoring batch processes"
Kourti & MacGregor (1995), "Process analysis, monitoring and diagnosis, using multivariate projection methods", Chemometrics and Intelligent Laboratory Systems 28:3-21 (verify)
In: LABLOOP-W03 Notebook
By Sunday you should be able to say: “I can explain to a plant manager why their golden batch is not a control limit, and what T² and SPE each catch.”
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