Agree what useful accuracy means
Define the decision threshold, a naive baseline, the held-back validation set, and the conditions that would invalidate the result.
Move from reporting what happened to understanding what may happen next, how uncertain it is, and which signals deserve attention now.
Accuracy is agreed before modeling begins, compared with a naive baseline, and tested once against locked validation data.
The work starts from a decision and tests whether prediction can improve it. If the available signal cannot clear the agreed standard, the engagement reports that honestly.
Define the decision threshold, a naive baseline, the held-back validation set, and the conditions that would invalidate the result.
Separate causal, correlational, and predictive-only variables so a forecasting input is not mistaken for a lever.
Present uncertainty, sensitivities, assumptions, and monitoring conditions instead of a single certain-looking number.
Any forecast presented as a single certain figure is being misrepresented. How to read one, and what to ask for.
Last period repeated is free and often surprisingly good. If a model cannot beat it, the model is not adding value — and most forecasts are never tested against it.
ZENKAIQ will help identify a proportionate next step.
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