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.

Building a Data Culture Before You Hire Your First Analyst

The leadership habits that make a company data-centric long before the first analyst arrives.

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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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Customer Cohorts, Retention Curves, and the Honest Way to Compute LTV

Reading retention curves like a balance sheet: the cohort discipline behind honest LTV and CAC math.

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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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