The Decision Ledger

Notes on data, decisions, and the business in between.

Field-tested thinking on analytics as a business discipline: dashboards that change meetings, data quality you can book, metrics with ancestry, forecasts that admit uncertainty, and analytics spend appraised like any other investment.

The Analytics ROI Case: What a CPA-Trained Analyst Checks Before Building Anything

A due-diligence framework for analytics spend: where the payback hides and how to prove it.

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Forecasting for Small Teams: Baselines, Seasonality, and Honest Uncertainty

A pragmatic forecasting playbook: beat the naive baseline, respect seasonality, report the error.

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KPI Trees: Connecting Every Metric to the Business Model

A method for turning a wall of metrics into a driver model the whole team can steer by.

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The Hidden Cost of Dirty Data: Treating Data Quality as a P&L Line Item

How to put a shilling value on bad data, and the reconciliation discipline that recovers it.

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From Dashboards to Decisions: Closing the Last Mile of Business Intelligence

Why most dashboards never change a decision, and the design discipline that fixes it.

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