CodersSecret

Course guide

Metrics Layer Course: Revenue, Active Users, Conversion, and Retention

Learn how to design governed metrics as reusable product APIs with definitions, owners, grain, dimensions, freshness, and change policies.

Metrics such as revenue, active users, conversion, and retention should be defined once and reused everywhere. This course shows how to write metric specs, assign owners, choose grain, control dimensions, and prevent dashboard drift.

Learning path

Continue from concept to implementation

These course modules place this topic in context, connect it to adjacent decisions, and provide the practical next step.

Module 9

Incremental Models and Backfills

Scale transformations without losing correctness when old data changes.

120 minutes | 3 learning objectives

Module 10

Metrics as Product APIs

Treat revenue, active users, retention, and conversion as governed interfaces.

105 minutes | 3 learning objectives

Module 11

Semantic Layer Fundamentals

Learn entities, measures, dimensions, and the semantic graph.

110 minutes | 3 learning objectives

Practical outcomes

What the recommended module teaches

  • Define a production metric specification
  • Separate measures from metrics
  • Understand why metrics need owners and change policies